0
登录后你可以
  • 下载海量资料
  • 学习在线课程
  • 观看技术视频
  • 写文章/发帖/加入社区
会员中心
创作中心
发布
  • 发文章

  • 发资料

  • 发帖

  • 提问

  • 发视频

创作活动
SN74HC573APWRG4

SN74HC573APWRG4

  • 厂商:

    BURR-BROWN(德州仪器)

  • 封装:

    TSSOP20_6.5X4.4MM

  • 描述:

    D-Type Transparent Latch 1 Channel 8:8 IC Tri-State 20-TSSOP

  • 数据手册
  • 价格&库存
SN74HC573APWRG4 数据手册
SN54HC573A, SN74HC573A SCLS147G – DECEMBER 1982 – REVISED APRIL 2022 SNx4HC573A Octal Transparent D-Type Latches With 3-State Outputs 1 Features 3 Description • • The SNx4HC573A devices are octal transparent D-type latches that feature 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. They are particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers. • • • • • Wide Operating Voltage Range from 2 V to 6 V High-Current 3-State Outputs Drive Bus Lines Directly up to 15 LSTTL Loads Low Power Consumption: 80-µA Maximum ICC Typical tpd = 21 ns ±6-mA Output Drive at 5 V Low Input Current: 1 µA (Maximum) Bus-Structured Pinout While the latch-enable (LE) input is high, the Q outputs respond to the data (D) inputs. When LE is low, the outputs are latched to retain the data that was set up. 2 Applications • • • Buffer Registers Bidirectional Bus Drivers Working Registers Device Information(1) PART NUMBER LE 26.92 mm × 6.92 mm SN54HC573AW CFP (20) 13.72 mm × 6.92 mm SN54HC573AFK LCCC (20) 8.89 mm × 8.89 mm SN74HC573AN PDIP (20) 25.40 mm × 6.35 mm SN74HC573ADW SOIC (20) 12.80 mm × 7.50 mm SN74HC573ADB SSOP (20) 7.20 mm × 5.30 mm SN74HC573APW TSSOP (20) 5.00 mm × 4.40 mm For all available packages, see the orderable addendum at the end of the data sheet. 1 11 C1 1D BODY SIZE (NOM) CDIP (20) (1) OE PACKAGE SN54HC573AJ 2 19 1Q 1D To Seven Other Channels Copyright © 2016, Texas Instruments Incorporated Logic Diagram (Positive Logic) An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. SN54HC573A, SN74HC573A www.ti.com SCLS147G – DECEMBER 1982 – REVISED APRIL 2022 Table of Contents 1 Features............................................................................1 2 Applications..................................................................... 1 3 Description.......................................................................1 4 Revision History.............................................................. 2 5 Pin Configuration and Functions...................................3 Pin Functions.................................................................... 3 6 Specifications.................................................................. 4 6.1 Absolute Maximum Ratings........................................ 4 6.2 ESD Ratings............................................................... 4 6.3 Recommended Operating Conditions.........................4 6.4 Thermal Information....................................................5 6.5 Electrical Characteristics.............................................5 6.6 Timing Requirements.................................................. 6 6.7 Switching Characteristics............................................7 6.8 Typical Characteristics................................................ 9 7 Parameter Measurement Information.......................... 10 8 Detailed Description...................................................... 11 8.1 Overview................................................................... 11 8.2 Functional Block Diagram......................................... 11 8.3 Feature Description...................................................11 8.4 Device Functional Modes..........................................11 9 Application and Implementation.................................. 12 9.1 Application Information............................................. 12 9.2 Typical Application.................................................... 12 10 Power Supply Recommendations..............................13 11 Layout........................................................................... 14 11.1 Layout Guidelines................................................... 14 11.2 Layout Example...................................................... 14 12 Device and Documentation Support..........................15 12.1 Documentation Support.......................................... 15 12.2 Related Links.......................................................... 15 12.3 Receiving Notification of Documentation Updates..15 12.4 Support Resources................................................. 15 12.5 Trademarks............................................................. 15 12.6 Electrostatic Discharge Caution..............................15 12.7 Glossary..................................................................15 13 Mechanical, Packaging, and Orderable Information.................................................................... 15 4 Revision History NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Changes from Revision E (September 2003) to Revision F (October 2016) Page • Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information section................... 1 • Deleted Ordering Information table; see POA at the end of the data sheet....................................................... 1 • Changed Package thermal impedance, RθJA, values from 70 to 92.5 (DB), from 58 to 78.3 (DW), from 69 to 49.1 (N), and from 83 to 101.1 (PW).................................................................................................................. 5 Changes from Revision F (October 2016) to Revision G (April 2022) Page • Updated ESD ratings table to modern TI standards........................................................................................... 4 • Changed Package thermal impedance, RθJA, values from 92.5 to 122.7 (DB), from 78.3 to 109.1 (DW), from 49.1 to 84.6 (N), and from 101.1 to 131.8 (PW)................................................................................................. 5 2 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: SN54HC573A SN74HC573A SN54HC573A, SN74HC573A www.ti.com SCLS147G – DECEMBER 1982 – REVISED APRIL 2022 5 Pin Configuration and Functions DB, DW, J, N, PW, or W Packages 20-Pin SSOP, SOIC, CDIP, PDIP, TSSOP, or CFP Top View FK Package 20-Pin LCCC Top View Pin Functions PIN NO. (1) NAME I/O DESCRIPTION 1 OE I Output enable 2 1D I 1D input 3 2D I 2D input 4 3D I 3D input 5 4D I 4D input 6 5D I 5D input 7 6D I 6D input 8 7D I 7D input 9 8D I 8D input 10 GND — Ground 11 LE I Latch enable input 12 8Q O 8Q output 13 7Q O 7Q output 14 6Q O 6Q output 15 5Q O 5Q output 16 4Q O 4Q output 17 3Q O 3Q output 18 2Q O 2Q output 19 1Q O 1Q output 20 VCC — Power pin (1) Signal Types: I = Input, O = Output, I/O = Input or Output. Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: SN54HC573A SN74HC573A 3 SN54HC573A, SN74HC573A www.ti.com SCLS147G – DECEMBER 1982 – REVISED APRIL 2022 6 Specifications 6.1 Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted)(1) VCC Supply voltage current(2) MIN MAX UNIT –0.5 7 V IIK Input clamp VI < 0 or VI > VCC ±20 mA IOK Output clamp current(2) VO < 0 or VO > VCC ±20 mA IO Continuous output current VO = 0 to VCC ±35 mA ±70 mA 150 °C 150 °C Continuous current through VCC or GND TJ Junction temperature Tstg Storage temperature (1) (2) –65 Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. The input and output voltage ratings may be exceeded if the input and output current ratings are observed. 6.2 ESD Ratings VALUE V(ESD) (1) (2) Electrostatic discharge Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1) UNIT ±3500 Charged device model (CDM), per ANSI/ESDA/JEDEC JS-002(2) V ±1000 JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process. JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process. 6.3 Recommended Operating Conditions over operating free-air temperature range (unless otherwise noted)(1) VCC Supply voltage VIH High-level input voltage VCC = 2 V VCC = 4.5 V VCC = 6 V MIN NOM MAX 2 5 6 Low-level input voltage V 4.2 0.5 VCC = 4.5 V 1.35 VCC = 6 V V 1.8 VI Input voltage 0 VCC V VO Output voltage 0 VCC V VCC = 2 V tt TA (1) 4 V 1.5 3.15 VCC = 2 V VIL UNIT Input transition (rise and fall) time Operating free-air temperature 1000 VCC = 4.5 V 500 VCC = 6 V 400 SN54HC573A –55 125 SN74HC573A –40 85 ns °C All unused inputs of the device must be held at VCC or GND to ensure proper device operation. See the Implications of Slow or Floating CMOS Inputs application report (SCBA004). Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: SN54HC573A SN74HC573A SN54HC573A, SN74HC573A www.ti.com SCLS147G – DECEMBER 1982 – REVISED APRIL 2022 6.4 Thermal Information SN74HC573A THERMAL METRIC DW (SOIC) DB (SSOP) N (PDIP) PW (TSSOP) 20 PINS 20 PINS 20 PINS 20 PINS UNIT 109.1 122.7 84.6 131.8 °C/W 76 81.6 72.5 72.2 °C/W RθJA Junction-to-ambient thermal (1) resistance RθJC (top) Junction-to-case (top) thermal resistance RθJB Junction-to-board thermal resistance 77.6 77.5 65.3 82.8 °C/W ΨJT Junction-to-top characterization parameter 51.5 46.1 55.3 21.5 °C/W ΨJB Junction-to-board characterization parameter 77.1 77.1 65.2 82.4 °C/W RθJC(bot) Junction-to-case (bottom) thermal resistance N/A N/A N/A N/A °C/W (1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report. 6.5 Electrical Characteristics over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS IOH = –20 µA VOH VI = VIH or VIL IOH = –6 mA, VCC = 4.5 V IOH = –7.8 mA, VCC = 6 V IOL = 20 µA VOL IOL = 6 mA, VCC = 4.5 V VI = VIH or VIL MIN TYP VCC = 2 V 1.9 1.998 VCC = 4.5 V 4.4 4.499 VCC = 6 V 5.9 5.999 TA = 25°C 3.98 4.3 SN54HC573A 3.7 SN74HC573A 3.84 TA = 25°C 5.48 SN54HC573A 5.2 SN74HC573A 5.34 5.8 VCC = 2 V 0.002 0.1 VCC = 4.5 V 0.001 0.1 VCC = 6 V 0.001 0.1 TA = 25°C 0.17 0.26 SN54HC573A TA = 25°C II VI = VCC or 0, VCC = 6 V 0.4 IOZ VO = VCC or 0, VCC = 6 V 0.4 0.33 ±0.1 SNx4HC573A VI = VCC or 0, IO = 0, VCC = 6 V Ci VCC = 2 V to 6 V ±100 ±1000 ±0.01 nA ±0.5 SN54HC573A ±10 SN74HC573A ±5 TA = 25°C ICC 0.26 SN74HC573A TA = 25°C V 0.33 0.15 SN54HC573A TA = 25°C UNIT V SN74HC573A IOL = 7.8 mA, VCC = 6 V MAX µA 8 SN54HC573A 160 SN74HC573A µA 80 3 10 pF Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: SN54HC573A SN74HC573A 5 SN54HC573A, SN74HC573A www.ti.com SCLS147G – DECEMBER 1982 – REVISED APRIL 2022 over operating free-air temperature range (unless otherwise noted) PARAMETER Cpd Power dissipation capacitance per latch TEST CONDITIONS MIN TA = 25°C, no load TYP MAX 50 UNIT pF 6.6 Timing Requirements over operating free-air temperature range (unless otherwise noted) MIN TA = 25°C VCC = 2 V tw Pulse duration, LE high VCC = 4.5 V VCC = 6 V VCC = 2 V tsu Setup time, data before LE↓ VCC = 4.5 V SN54HC573A 120 SN74HC573A 100 TA = 25°C 16 SN54HC573A 24 SN74HC573A 20 TA = 25°C 14 SN54HC573A 20 SN74HC573A 17 TA = 25°C 50 SN54HC573A 75 SN74HC573A 63 TA = 25°C 10 SN54HC573A 15 SN74HC573A 13 TA = 25°C VCC = 6 V VCC = 2 V th 6 Hold time, data after LE↓ SN54HC573A MAX UNIT ns ns 9 13 SN74HC573A 11 TA = 25°C 20 SNx4HC573A 24 VCC = 4.5 V 5 VCC = 6 V 5 Submit Document Feedback NOM 80 ns Copyright © 2022 Texas Instruments Incorporated Product Folder Links: SN54HC573A SN74HC573A SN54HC573A, SN74HC573A www.ti.com SCLS147G – DECEMBER 1982 – REVISED APRIL 2022 6.7 Switching Characteristics over operating free-air temperature range (unless otherwise noted; see Figure 7-1) PARAMETER TEST CONDITIONS MIN TA = 25°C VCC = 2 V TYP MAX 77 175 SN54HC573A 265 SN74HC573A CL = 50 pF, from D (input) to Q (output) TA = 25°C VCC = 4.5 V 220 26 53 SN74HC573A 44 23 SN54HC573A TA = 25°C VCC = 2 V 38 87 SN54HC573A CL = 50 pF, from LE (input) to any Q (output) VCC = 4.5 V 53 44 23 SN54HC573A ten CL = 50 pF, from OE (input) to any Q (output) 38 68 225 SN74HC573A 190 24 SN54HC573A TA = 25°C 38 32 47 SN54HC573A tdis VCC = 4.5 V 190 23 30 SN54HC573A 45 SN74HC573A 38 TA = 25°C VCC = 6 V 150 225 SN74HC573A CL = 50 pF, from OE (input) to any Q (output) 26 SN74HC573A TA = 25°C ns 38 21 SN54HC573A TA = 25°C VCC = 2 V 30 45 SN74HC573A VCC = 6 V 150 SN54HC573A TA = 25°C VCC = 4.5 V 30 45 SN74HC573A VCC = 2 V 35 SN74HC573A TA = 25°C ns 220 27 SN54HC573A TA = 25°C VCC = 6 V 175 265 SN74HC573A TA = 25°C 30 45 SN74HC573A tpd 35 SN54HC573A TA = 25°C VCC = 6 V UNIT 21 ns 26 SN54HC573A 38 SN74HC573A 32 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: SN54HC573A SN74HC573A 7 SN54HC573A, SN74HC573A www.ti.com SCLS147G – DECEMBER 1982 – REVISED APRIL 2022 over operating free-air temperature range (unless otherwise noted; see Figure 7-1) PARAMETER TEST CONDITIONS MIN TA = 25°C VCC = 2 V CL = 50 pF to any Q (output) VCC = 4.5 V 60 90 SN74HC573A 75 8 18 SN74HC573A 15 6 SN54HC573A VCC = 2 V CL = 150 pF, from D (input) to Q (output) 13 95 300 250 33 SN54HC573A TA = 25°C tpd 60 50 21 51 43 103 SN54HC573A TA = 25°C VCC = 4.5 V 285 33 ten CL = 150 pF, from OE (input) to any Q (output) 67 57 29 SN54HC573A 60 50 85 300 250 29 SN54HC573A TA = 25°C 60 CL = 150 pF to any Q (output) VCC = 4.5 V 51 43 60 SN54HC573A 8 210 315 265 17 42 SN54HC573A 63 SN74HC573A 53 TA = 25°C VCC = 6 V 34 SN74HC573A TA = 25°C 14 ns 36 SN54HC573A 53 SN74HC573A 45 Submit Document Feedback ns 50 26 SN74HC573A tt 40 SN54HC573A TA = 25°C VCC = 2 V 200 SN74HC573A SN74HC573A VCC = 6 V 40 SN54HC573A TA = 25°C VCC = 4.5 V 45 SN74HC573A TA = 25°C ns 335 SN74HC573A VCC = 2 V 225 SN54HC573A TA = 25°C VCC = 6 V 34 SN74HC573A SN74HC573A CL = 150 pF, from LE (input) to any Q (output) 40 SN54HC573A TA = 25°C VCC = 2 V 200 SN74HC573A SN74HC573A VCC = 6 V 10 SN54HC573A TA = 25°C VCC = 4.5 V ns 15 SN74HC573A TA = 25°C UNIT 12 SN54HC573A TA = 25°C VCC = 6 V MAX 28 SN54HC573A TA = 25°C tt TYP Copyright © 2022 Texas Instruments Incorporated Product Folder Links: SN54HC573A SN74HC573A SN54HC573A, SN74HC573A www.ti.com SCLS147G – DECEMBER 1982 – REVISED APRIL 2022 6.8 Typical Characteristics 250 CL 50pF CL 150pF 225 TPD Max(ns) 200 175 150 125 100 75 50 25 2 2.5 3 3.5 4 Vcc 4.5 5 5.5 6 D001 Figure 6-1. Maximum Propagation Delay Curves Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: SN54HC573A SN74HC573A 9 SN54HC573A, SN74HC573A www.ti.com SCLS147G – DECEMBER 1982 – REVISED APRIL 2022 7 Parameter Measurement Information VCC PARAMETER S1 Test Point From Output Under Test ten RL tPZH RL CL 50 pF or 150 pF 1 kΩ tPZL tdis S2 tPLZ 1 kΩ 50 pF −− 50 pF or 150 pF tpd or tt LOAD CIRCUIT 50% Data 50% Input 10% VCC 50% 50% 50% tPLH 50% 10% tPHL 90% 90% tr tPHL 90% tPZL Output Waveform 1 (See Note B) VOH tPZH tPLH 50% 10% tf 50% 10% C. D. E. F. G. Output Control (Low-Level Enabling) VOH 50% 10% V OL tf 90% VOL tr VOLTAGE WAVEFORMS PROPAGATION DELAY AND OUTPUT TRANSITION TIMES A. B. Open Open Open th 90% 90% VCC 50% 10% 0 V tf VOLTAGE WAVEFORMS SETUP AND HOLD AND INPUT RISE AND FALL TIMES 0V Out-ofPhase Output Closed tr 0V VCC In-Phase Output Closed 0V VOLTAGE WAVEFORMS PULSE DURATIONS Input Open Open tsu 0V 50% Closed 50% 50% tw Low-Level Pulse Open VCC Reference Input VCC High-Level Pulse S2 Closed tPHZ CL (see Note A) S1 VCC 50% 50% 0V tPLZ ≈VCC ≈VCC 50% 10% VOL tPHZ Output Waveform 2 (See Note B) 50% 90% VOH ≈0 V VOLTAGE WAVEFORMS ENABLE AND DISABLE TIMES FOR 3-STATE OUTPUTS CL includes probe and test-fixture capacitance. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control. Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control. Phase relationships between waveforms were chosen arbitrarily. All input pulses are supplied by generators having the following characteristics: PRR ≤ 1 MHz, ZO = 50 Ω, tr = 6 ns, tf = 6 ns. The outputs are measured one at a time with one input transition per measurement. tPLZ and tPHZ are the same as tdis. tPZL and tPZH are the same as ten. tPLH and tPHL are the same as tpd. Figure 7-1. Load Circuit and Voltage Waveforms 10 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: SN54HC573A SN74HC573A SN54HC573A, SN74HC573A www.ti.com SCLS147G – DECEMBER 1982 – REVISED APRIL 2022 8 Detailed Description 8.1 Overview The SNx4HC573A devices are octal transparent D-type latches that feature 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. A buffered output-enable ( OE) input can be used to place the eight outputs in either a normal logic state (high or low logic levels) or the high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines significantly. The high-impedance state and increased drive provide the capability to drive bus lines without interface or pullup components. To ensure the high-impedance state during power up or power down, OE must be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. OE does not affect the internal operations of the latches. Old data can be retained or new data can be entered while the outputs are in the high-impedance state. 8.2 Functional Block Diagram OE LE 1 11 C1 1D 2 19 1Q 1D To Seven Other Channels Copyright © 2016, Texas Instruments Incorporated Figure 8-1. Logic Diagram (Positive Logic) 8.3 Feature Description The SNx4HC573A is a high current 3-state output device which can drive bus lines directly or up to 15 LSTTL loads. It has low power consumption up to 80-µA maximum ICC. The high speed CMOS family has typical propagation delay of 21 ns with ±6-mA output drive at 5 V. The input leakage current is a very low 1-µA (maximum). 8.4 Device Functional Modes Table 8-1 lists the functional modes of the SNx4HC573A. Table 8-1. Function Table (Each Latch) INPUTS OE OUTPUT LE D Q L H H H L H L L L L X Q0 H X X Hi-Z Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: SN54HC573A SN74HC573A 11 SN54HC573A, SN74HC573A www.ti.com SCLS147G – DECEMBER 1982 – REVISED APRIL 2022 9 Application and Implementation Note Information in the following applications sections is not part of the TI component specification, and TI does not warrant its accuracy or completeness. TI’s customers are responsible for determining suitability of components for their purposes, as well as validating and testing their design implementation to confirm system functionality. 9.1 Application Information To ensure the high-impedance state during power up or power down, OE must be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. OE does not affect the internal operations of the latches. Old data can be retained or new data can be entered while the outputs are in the high-impedance state. The SNx4HC573A latches can be used to store 8 bits of data. Figure 9-1 shows a typical application. A low trigger event latches the output to preserve the event for processing later. With latch input high, this acts as a buffer which follows the live data at the D input when output enable pin held is low. 9.2 Typical Application Run/Trigger LE Enable OE Live Data Q Output D Copyright © 2016, Texas Instruments Incorporated Figure 9-1. Typical Application Schematic 9.2.1 Design Requirements The SNx4HC573A device uses CMOS technology and has balanced output drive (±7.8-mA). Take care to avoid bus contention, because it can drive currents that would exceed maximum limits. 9.2.2 Detailed Design Procedure Design requirements must adhere to the Section 6.3 and must never exceed the Section 6.1. The inputs must have a ramp time less than input transition time mentioned in the Section 6.3. Slow inputs can cause oscillations at the output, false triggering, and increased current consumption. TI recommends a Schmitt trigger device like SN74HC14 which can tolerate slower signals. The inputs and outputs must never exceed VCC to not forward bias the internal ESD diodes. The maximum frequency supported by this device is 28 MHz. 12 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: SN54HC573A SN74HC573A SN54HC573A, SN74HC573A www.ti.com SCLS147G – DECEMBER 1982 – REVISED APRIL 2022 9.2.3 Application Curve 100 CL 50pF CL 150pF 90 TPD typ (ns) 80 70 60 50 40 30 20 2 2.5 3 3.5 4 Vcc 4.5 5 5.5 6 D001 Figure 9-2. Typical Propagation Delay Curves 10 Power Supply Recommendations The power supply can be any voltage between the minimum and maximum supply voltage rating located in the Section 6.3 table. The total current through Ground or VCC must not exceed ±70 mA as per Section 6.1 table. Each VCC pin must have a good bypass capacitor to prevent power disturbance. For devices with a single supply, TI recommends 0.1-µF capacitor; if there are multiple VCC pins, then TI recommends 0.01-µF or 0.022-µF capacitor for each power pin. It is acceptable to parallel multiple bypass capacitors to reject different frequencies of noise. A 0.1-µF and 1-µF capacitor are commonly used in parallel. The bypass capacitor must be installed as close to the power pin as possible for best results. Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: SN54HC573A SN74HC573A 13 SN54HC573A, SN74HC573A www.ti.com SCLS147G – DECEMBER 1982 – REVISED APRIL 2022 11 Layout 11.1 Layout Guidelines When using multiple-bit logic devices, inputs must never float. In many cases, functions or parts of functions of digital logic devices are unused, for example, when only two inputs of a triple-input and the gate are used, or only 3 of the 4 buffer gates are used. Such input pins must not be left unconnected because the undefined voltages at the outside connections result in undefined operational states. Figure 11-1 specifies the rules that must be observed under all circumstances. All unused inputs of digital logic devices must be connected to a high or low bias to prevent them from floating. The logic level that must be applied to any particular unused input depends on the function of the device. Generally, they are tied to GND or VCC, whichever makes more sense or is more convenient. It is acceptable to float outputs, unless the part is a transceiver. If the transceiver has an output enable pin, it disables the output section of the part when asserted. This does not disable the input section of the I/Os, so they cannot float when disabled. 11.2 Layout Example Vcc Unused Input Input Output Unused Input Output Input Figure 11-1. Layout Diagram 14 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: SN54HC573A SN74HC573A SN54HC573A, SN74HC573A www.ti.com SCLS147G – DECEMBER 1982 – REVISED APRIL 2022 12 Device and Documentation Support 12.1 Documentation Support 12.1.1 Related Documentation For related documentation see the following: Implications of Slow or Floating CMOS Inputs (SCBA004) 12.2 Related Links The table below lists quick access links. Categories include technical documents, support and community resources, tools and software, and quick access to sample or buy. Table 12-1. Related Links PARTS PRODUCT FOLDER SAMPLE & BUY TECHNICAL DOCUMENTS TOOLS & SOFTWARE SUPPORT & COMMUNITY SN54HC573A Click here Click here Click here Click here Click here SN74HC573A Click here Click here Click here Click here Click here 12.3 Receiving Notification of Documentation Updates To receive notification of documentation updates, navigate to the device product folder on ti.com. In the upper right corner, click on Alert me to register and receive a weekly digest of any product information that has changed. For change details, review the revision history included in any revised document. 12.4 Support Resources TI E2E™ support forums are an engineer's go-to source for fast, verified answers and design help — straight from the experts. Search existing answers or ask your own question to get the quick design help you need. Linked content is provided "AS IS" by the respective contributors. They do not constitute TI specifications and do not necessarily reflect TI's views; see TI's Terms of Use. 12.5 Trademarks TI E2E™ is a trademark of Texas Instruments. All trademarks are the property of their respective owners. 12.6 Electrostatic Discharge Caution This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. 12.7 Glossary TI Glossary This glossary lists and explains terms, acronyms, and definitions. 13 Mechanical, Packaging, and Orderable Information The following pages include mechanical, packaging, and orderable information. This information is the most current data available for the designated devices. This data is subject to change without notice and revision of this document. For browser-based versions of this data sheet, refer to the left-hand navigation. Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: SN54HC573A SN74HC573A 15 PACKAGE OPTION ADDENDUM www.ti.com 19-Nov-2022 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Pins Package Drawing Qty Eco Plan (2) Lead finish/ Ball material MSL Peak Temp Op Temp (°C) Device Marking (3) Samples (4/5) (6) 5962-8512801VRA ACTIVE CDIP J 20 1 Non-RoHS & Green SNPB N / A for Pkg Type -55 to 125 5962-8512801VR A SNV54HC573AJ 85128012A ACTIVE LCCC FK 20 1 Non-RoHS & Green SNPB N / A for Pkg Type -55 to 125 85128012A SNJ54HC 573AFK 8512801RA ACTIVE CDIP J 20 1 Non-RoHS & Green SNPB N / A for Pkg Type -55 to 125 8512801RA SNJ54HC573AJ Samples 8512801SA ACTIVE CFP W 20 1 Non-RoHS & Green SNPB N / A for Pkg Type -55 to 125 8512801SA SNJ54HC573AW Samples JM38510/65406BRA ACTIVE CDIP J 20 1 Non-RoHS & Green SNPB N / A for Pkg Type -55 to 125 JM38510/ 65406BRA Samples M38510/65406BRA ACTIVE CDIP J 20 1 Non-RoHS & Green SNPB N / A for Pkg Type -55 to 125 JM38510/ 65406BRA Samples SN54HC573AJ ACTIVE CDIP J 20 1 Non-RoHS & Green SNPB N / A for Pkg Type -55 to 125 SN54HC573AJ Samples SN74HC573ADBR ACTIVE SSOP DB 20 2000 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 HC573A Samples SN74HC573ADW ACTIVE SOIC DW 20 25 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 HC573A Samples SN74HC573ADWR ACTIVE SOIC DW 20 2000 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 HC573A Samples SN74HC573ADWRG4 ACTIVE SOIC DW 20 2000 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 HC573A Samples SN74HC573AN ACTIVE PDIP N 20 20 RoHS & Green NIPDAU N / A for Pkg Type -40 to 85 SN74HC573AN Samples SN74HC573ANE4 ACTIVE PDIP N 20 20 RoHS & Green NIPDAU N / A for Pkg Type -40 to 85 SN74HC573AN Samples SN74HC573APWR ACTIVE TSSOP PW 20 2000 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 HC573A Samples SN74HC573APWRG4 ACTIVE TSSOP PW 20 2000 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 HC573A Samples SN74HC573APWT ACTIVE TSSOP PW 20 250 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 HC573A Samples SNJ54HC573AFK ACTIVE LCCC FK 20 1 Non-RoHS & Green SNPB N / A for Pkg Type -55 to 125 85128012A SNJ54HC 573AFK Addendum-Page 1 Samples Samples Samples PACKAGE OPTION ADDENDUM www.ti.com Orderable Device 19-Nov-2022 Status (1) Package Type Package Pins Package Drawing Qty Eco Plan (2) Lead finish/ Ball material MSL Peak Temp Op Temp (°C) (3) Device Marking Samples (4/5) (6) SNJ54HC573AJ ACTIVE CDIP J 20 1 Non-RoHS & Green SNPB N / A for Pkg Type -55 to 125 8512801RA SNJ54HC573AJ Samples SNJ54HC573AW ACTIVE CFP W 20 1 Non-RoHS & Green SNPB N / A for Pkg Type -55 to 125 8512801SA SNJ54HC573AW Samples (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) RoHS: TI defines "RoHS" to mean semiconductor products that are compliant with the current EU RoHS requirements for all 10 RoHS substances, including the requirement that RoHS substance do not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, "RoHS" products are suitable for use in specified lead-free processes. TI may reference these types of products as "Pb-Free". RoHS Exempt: TI defines "RoHS Exempt" to mean products that contain lead but are compliant with EU RoHS pursuant to a specific EU RoHS exemption. Green: TI defines "Green" to mean the content of Chlorine (Cl) and Bromine (Br) based flame retardants meet JS709B low halogen requirements of
SN74HC573APWRG4 价格&库存

很抱歉,暂时无法提供与“SN74HC573APWRG4”相匹配的价格&库存,您可以联系我们找货

免费人工找货