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SN74LV374ADWG4

SN74LV374ADWG4

  • 厂商:

    BURR-BROWN(德州仪器)

  • 封装:

    SOIC20

  • 描述:

    IC FF D-TYPE SNGL 8BIT 20SOIC

  • 数据手册
  • 价格&库存
SN74LV374ADWG4 数据手册
SN74LV374A SCLS408K – APRIL 1998 – REVISED DECEMBER 2022 SN74LV374A Octal Edge-Triggered D-Type Flip-Flops With 3-State Outputs 1 Features 3 Description • • • The SN74LV374A devices are octal edge-triggered Dtype flip-flops designed for 2 V to 5.5 V VCC operation. • • • • VCC operation of 2 V to 5.5 V Maximum tpd of 9.5 ns at 5 V Typical VOLP (Output Ground Bounce) 2.3 V at VCC = 3.3 V, TA = 25°C Support Mixed-Mode Voltage Operation on All Ports Ioff Supports Partial-Power-Down Mode Operation Latch-up Performance Exceeds 250 mA Per JESD 17 Package Information PART NUMBER PACKAGE BODY SIZE (NOM) SN74LV374ADB SSOP (20) 7.20 mm × 5.30 mm SN74LV374ADW SOIC (20) 12.80 mm × 7.50 mm SN74LV374ANS SO (20) 12.60 mm × 5.30 mm SN74LV374APW TSSOP (20) 6.50 mm × 4.40 mm 2 Applications • • • • • Programmable Logic Controller (PLC) DCS and PAC: Analog Input Module Trains, Trams, and Subway Carriages AC Inverter Drives Printers Pin numbers shown are for the DB, DW, NS, PW, and RGY packages. 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. UNLESS OTHERWISE NOTED, this document contains PRODUCTION DATA. SN74LV374A www.ti.com SCLS408K – APRIL 1998 – REVISED DECEMBER 2022 Table of Contents 1 Features............................................................................1 2 Applications..................................................................... 1 3 Description.......................................................................1 5 Pin Configuration and Functions...................................2 Pin Functions.................................................................... 3 6 Specifications.................................................................. 4 6.1 Absolute Maximum Ratings........................................ 4 6.2 ESD Ratings............................................................... 4 6.3 Recommended Operating Conditions.........................5 6.4 Thermal Information....................................................5 6.5 Electrical Characteristics.............................................6 6.6 Switching Characteristics: VCC = 2.5 V ± 0.2 V...........6 6.7 Switching Characteristics: VCC = 3.3 V ± 0.3 V...........7 6.8 Switching Characteristics: VCC = 5 V ± 0.5 V..............7 6.9 Timing Requirements.................................................. 7 6.10 Noise Characteristics................................................ 8 6.11 Operating Characteristics, TA = 25°C........................8 6.12 Typical Characteristics.............................................. 8 7 Parameter Measurement Information............................ 9 8 Detailed Description......................................................10 8.1 Overview................................................................... 10 8.2 Functional Block Diagram......................................... 10 8.3 Feature Description...................................................10 8.4 Device Functional Modes..........................................10 9 Power Supply Recommendations................................13 10 Layout...........................................................................14 10.1 Layout Guidelines................................................... 14 10.2 Layout Example...................................................... 14 11 Device and Documentation Support..........................15 11.1 Documentation Support.......................................... 15 11.2 Related Links.......................................................... 15 11.3 Receiving Notification of Documentation Updates.. 15 11.4 Community Resources............................................15 11.5 Trademarks............................................................. 15 4 NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Changes from Revision J (March 2015) to Revision K (December 2022) Page • Updated the format for tables, figures, and cross-references throughout the document....................................1 Changes from Revision I (March 2015) to Revision J (October 2016) Page • Added Junction temperature, TJ ........................................................................................................................ 4 • Deleted "VCC × 0.3" from MIN and added "VCC × 0.3" to MAX for SN54LV374A and SN74LV374A..................5 • Changed "SN54LV384A" to "SN54LV374A" in Electrical Characteristics table.................................................. 6 • Added Related Links section, Receiving Notification of Documentation Updates section, and Community Resources section............................................................................................................................................ 15 Changes from Revision H (April 2005) to Revision I (March 2015) Page • Added Pin Configuration and Functions section, 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 5 Pin Configuration and Functions Figure 5-1. DB, DW, NS, or PW Package 20-PIN SSOP, SOIC, SO, or TSSOP Top View 2 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: SN74LV374A SN74LV374A www.ti.com SCLS408K – APRIL 1998 – REVISED DECEMBER 2022 Pin Functions PIN NAME TYPE NO. DESCRIPTION OE 1 I Enable pin 1Q 2 O Output 1 1D 3 I Input 1 2D 4 I Input 2 2Q 5 O Output 2 3Q 6 O Output 3 3D 7 I Input 3 4D 8 I Input 4 4Q 9 O Output 4 GND 10 – Ground pin CLK 11 I Clock pin 5Q 12 O Output 5 5D 13 I Input 5 6D 14 I Input 6 6Q 15 O Output 6 7Q 16 O Output 7 7D 17 I Input 7 8D 18 I Input 8 8Q 19 O Output 8 VCC 20 – Power pin Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: SN74LV374A 3 SN74LV374A www.ti.com SCLS408K – APRIL 1998 – REVISED DECEMBER 2022 6 Specifications 6.1 Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted) (1) VCC MIN MAX Supply voltage −0.5 7 V voltage(2) −0.5 7 V −0.5 7 V −0.5 VCC + 0.5 VI Input VO Voltage applied to any output in the high-impedance or power-off state (2) voltage(2) (3) UNIT VO Output IIK Input clamp current, (VI < 0) –20 mA V IOK Output clamp current, (VO < 0) –50 mA IO Continuous output current, (VO = 0 to VCC) ±35 mA Continuous current through VCC or GND ±70 mA TJ Junction temperature 150 °C Tstg Storage temperature 150 °C (1) (2) (3) –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 negative-voltage ratings may be exceeded if the input and output current ratings are observed. This value is limited to 5.5 V maximum. 6.2 ESD Ratings VALUE V(ESD) (1) (2) 4 Electrostatic discharge Human body model (HBM), per ANSI/ESDA/JEDEC JS-001(1) ±2000 Charged-device model (CDM), per JEDEC specification JESD22-C101(2) ±1000 Machine Model (A115-A) ±200 UNIT V 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. Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: SN74LV374A SN74LV374A www.ti.com SCLS408K – APRIL 1998 – REVISED DECEMBER 2022 6.3 Recommended Operating Conditions over operating free-air temperature range (unless otherwise noted) (1) SN74LV374A VCC Supply voltage VCC = 2 V VIH High-level input voltage MIN MAX 2 5.5 VCC × 0.7 VCC = 3 V to 3.6 V VCC × 0.7 0.5 VCC = 2.3 V to 2.7 V VCC × 0.3 VCC = 3 V to 3.6 V VCC × 0.3 VCC = 4.5 V to 5.5 V VI Input voltage VO Output voltage High-level output current 5.5 High or low state 0 VCC 3-state 0 5.5 −50 VCC = 2.3 V to 2.7 V VCC = 3 V to 3.6 V Δt/Δv Input transition rise or fall rate TA Operating free-air temperature –8 50 VCC = 2.3 V to 2.7 V μA mA μA 2 VCC = 3 V to 3.6 V 8 VCC = 4.5 V to 5.5 V 16 VCC = 2.3 V to 2.7 V 200 VCC = 3 V to 3.6 V 100 VCC = 4.5 V to 5.5 V (1) V –16 VCC = 2 V Low-level output current V –2 VCC = 4.5 V to 5.5 V IOL V VCC × 0.3 0 VCC = 2 V IOH V VCC × 0.77 VCC = 2 V Low-level input voltage V 1.5 VCC = 2.3 V to 2.7 V VCC = 4.5 V to 5.5 V VIL UNIT mA ns/V 20 –40 125 °C All unused inputs of the device must be held at VCC or GND to ensure proper device operation. See Implications of Slow or Floating CMOS Inputs, SCBA004. 6.4 Thermal Information SN74LV374A THERMAL RθJA METRIC(1) DW (SOIC) NS (SO) PW (TSSOP) 20 PINS 20 PINS 20 PINS 20 PINS UNIT 94.5 79.2 76.7 102.4 °C/W RθJC(top) Junction-to-case (top) thermal resistance 56.4 43.7 43.2 36.5 °C/W RθJB Junction-to-board thermal resistance 49.7 47 44.2 53.6 °C/W ψJT Junction-to-top characterization parameter 18.5 18.6 16.8 2.4 °C/W ψJB Junction-to-board characterization parameter 49.3 46.5 43.8 52.9 °C/W (1) Junction-to-ambient thermal resistance DB (SSOP) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report. Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: SN74LV374A 5 SN74LV374A www.ti.com SCLS408K – APRIL 1998 – REVISED DECEMBER 2022 6.5 Electrical Characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS SN74LV374A –40°C to +85°C VCC MIN VOH MAX VCC−0.1 MIN IOH = −50 µA 2 V to 5.5 V IOH = −2 mA 2.3 V 2 2 IOH = –8 mA 3V 2.48 2.48 4.5 V 3.8 IOH = −16 mA VOL TYP SN74LV374A –40°C to +125°C UNIT TYP MAX VCC−0.1 V 3.8 IOL = 50 µA 2 V to 5.5 V 0.1 IOL = 2 mA 2.3 V 0.4 0.4 IOL = 8 mA 3V 0.44 0.44 4.5 V IOL = 16 mA 0.1 V 0.55 0.55 II VI = 5.5 V or GND 0 to 5.5 V ±1 ±1 µA IOZ VO = VCC or GND 5.5 V ±5 ±5 µA ICC VI = VCC or GND , IO = 0 5.5 V 20 20 µA Ioff VI or VO = 0 to 5.5 V 0 5 5 µA Ci VI = VCC or GND 3.3 V 2.9 2.9 pF 6.6 Switching Characteristics: VCC = 2.5 V ± 0.2 V over recommended operating free-air temperature range, VCC = 2.5 V ± 0.2 V (unless otherwise noted) PARAMETER FROM (INPUT) TO (OUTPUT) fmax tpd CLK SN74LV374A –40°C to +85°C TA = 25°C MAX MIN MAX SN74LV374A –40°C to +125°C MIN TYP MIN CL = 15 pF 60(1) 105(1) 50 50 CL = 50 pF 50 85 40 40 MHz 9.7(1) 16.3(1) 1 19 1 20.5 8.9(1) 15.9(1) 1 19 1 20.5 ten OE Q tdis OE Q 6.3(1) 12.6(1) 1 15 1 16.5 tpd CLK Q 11.8 19.3 1 23 1 24.5 ten OE Q 10.9 18.8 1 22 1 23.5 tdis OE Q 8.2 17.3 1 19 1 20.5 (1) CL = 15 pF CL = 50 pF 2 UNIT MAX Q tsk(o) 6 LOAD CAPACITANCE ns ns 2 On products compliant to MIL-PRF-38535, this parameter is not production tested. Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: SN74LV374A SN74LV374A www.ti.com SCLS408K – APRIL 1998 – REVISED DECEMBER 2022 6.7 Switching Characteristics: VCC = 3.3 V ± 0.3 V over recommended operating free-air temperature range, VCC = 3.3 V ± 0.3 V (unless otherwise noted) PARAMETER FROM (INPUT) TO (OUTPUT) fmax tpd CLK LOAD CAPACITANCE SN74LV374A –40°C to +85°C TA = 25°C MAX MIN SN74LV374A –40°C to +125°C MIN TYP MAX MIN CL = 15 pF 80(1) 150(1) 70 70 CL = 50 pF 55 110 50 50 UNIT MAX MHz Q 6.8(1) 12.7(1) 1 15 1 6.3(1) 11(1) 1 13 1 14 CL = 15 pF 16 ten OE Q tdis OE Q 4.7(1) 10.5(1) 1 12.5 1 13.5 tpd CLK Q 8.3 16.2 1 18.5 1 19.5 ten OE Q 7.7 14.5 1 16.5 1 17.5 tdis OE Q 5.9 14 1 16 1 17 CL = 50 pF tsk(o) (1) 1.5 ns ns 1.5 On products compliant to MIL-PRF-38535, this parameter is not production tested. 6.8 Switching Characteristics: VCC = 5 V ± 0.5 V over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) PARAMETER FROM (INPUT) TO (OUTPUT) fmax tpd CLK LOAD CAPACITANCE SN74LV374A –40°C to +85°C TA = 25°C MAX MIN SN74LV374A –40°C to +125°C MIN TYP MAX MIN CL = 15 pF 130(1) 205(1) 110 110 CL = 50 pF 85 1705 75 75 UNIT MAX MHz Q 4.9(1) 8.1(1) 1 9.5 1 10.5 4.6(1) 7.6(1) 1 9 1 10 ten OE Q CL = 15 pF tdis OE Q 3.4(1) 6.8(1) 1 8 1 9 tpd CLK Q 5.9 10.1 1 11.5 1 12.5 ten OE Q 5.5 9.6 1 11 1 12 tdis OE Q 4 8.8 1 10 1 11 CL = 50 pF tsk(o) (1) 1 ns ns 1 On products compliant to MIL-PRF-38535, this parameter is not production tested. 6.9 Timing Requirements over recommended operating free-air temperature range, (unless otherwise noted) (see Figure 7-1) TA = 25°C MIN SN74LV374A –40°C to +85°C MAX MIN MAX SN74LV374A –40°C to +125°C MIN UNIT MAX VCC = 2.5 V ± 0.2 V tw Pulse duration, CLK high or low 6 7 7 ns tsu Setup time, data before CLK↑ 5 5.5 6 ns th Hold time, data after CLK↑ 2.5 2.5 3 ns VCC = 3.3 V ± 0.3 V tw Pulse duration, CLK high or low tsu Setup time, data before CLK↑ th Hold time, data after CLK↑ 5 5.5 5.5 ns 4.5 4.5 5 ns 2 2 2.5 ns VCC = 5 V ± 0.5 V tw Pulse duration, CLK high or low 5 5 5 ns tsu Setup time, data before CLK↑ 3 3 3.5 ns th Hold time, data after CLK↑ 2 2 2.5 ns Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: SN74LV374A 7 SN74LV374A www.ti.com SCLS408K – APRIL 1998 – REVISED DECEMBER 2022 6.10 Noise Characteristics VCC = 3.3 V, CL = 50 pF, TA = 25°C (1) SN74LV374A PARAMETER VOL(P) Quiet output, maximum dynamic VOL VOL(V) Quiet output, minimum dynamic VOL VOH(V) Quiet output, minimum dynamic VOH VIH(D) High-level dynamic input voltage VIL(D) Low-level dynamic input voltage (1) MIN UNIT TYP MAX 0.6 0.8 V −0.5 −0.8 V 2.9 2.9 V 2.31 V 0.99 V Characteristics are for surface-mount packages only. 6.11 Operating Characteristics, TA = 25°C PARAMETER Cpd Power dissipation capacitance TEST CONDITIONS Outputs enabled CL = 50 pF, f = 10 MHz VCC TYP 3.3 V 21.1 5V 22.8 UNIT pF 6.12 Typical Characteristics Figure 6-1. TPD vs. Temperature at 5 V 8 Figure 6-2. TPD vs. VCC at 25°C Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: SN74LV374A SN74LV374A www.ti.com SCLS408K – APRIL 1998 – REVISED DECEMBER 2022 7 Parameter Measurement Information 7.1 Figure 7-1. Load Circuit and Voltage Waveforms Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: SN74LV374A 9 SN74LV374A www.ti.com SCLS408K – APRIL 1998 – REVISED DECEMBER 2022 8 Detailed Description 8.1 Overview The SN74LV374A devices are octal edge-triggered D-type flip-flops designed for 2 V to 5.5 V VCC operation. These devices feature 3-state outputs designed specifically for driving highly capacitive or relatively lowimpedance loads. They are particularly suitable for implementing buffer registers, I/O ports, bi-directional bus drivers, and working registers. On the positive transition of the clock (CLK) input, the Q outputs are set to the logic levels set up at the data (D) inputs. 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 high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines significantly. The high-impedance state and the increased drive provide the capability to drive bus lines without need for interface or pullup components. OE does not affect internal operations of the latch. Old data can be retained or new data can be entered while the outputs are in the high-impedance state. To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. These devices are fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the devices when they are powered down. The output of the device is unknown until the first valid rising clock edge occurs while VCC is within the Section 6.3 range. 8.2 Functional Block Diagram Figure 8-1. Logic Diagram (Positive Logic) 8.3 Feature Description The device’s wide operating range allows it to be used in a variety of systems that use different logic levels. The low propagation delay allows fast switching and higher speeds of operation. In addition, the low ground bounce stabilizes the performance of non-switching outputs while another output is switching. 8.4 Device Functional Modes Table 8-1 lists the functional modes of the SN74LV374A devices. Table 8-1. Function Table (Each Flip-Flop) INPUTS 10 OE CLK D OUTPUT Q L ↑ H H L ↑ L L L L X Q0 H X X Z Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: SN74LV374A SN74LV374A www.ti.com SCLS408K – APRIL 1998 – REVISED DECEMBER 2022 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. Customers should validate and test their design implementation to confirm system functionality. 9.1 Application Information The SN74LV374A is a low drive CMOS device that can be used for a multitude of bus interface type applications where output ringing is a concern. The low drive and slow edge rates will minimize overshoot and undershoot on the outputs. The inputs accept voltages up to 5.5 V allowing down translation to the VCC level. 9.2 Typical Application Figure 9-1 shows how the slower edges can reduce ringing on the output compared to higher drive parts like AC. Figure 9-1. Typical Application Schematic 9.2.1 Design Requirements This device uses CMOS technology and has balanced output drive. Take care to avoid bus contention because it can drive currents that would exceed maximum limits. The high drive will also create fast edges into light loads so consider routing and load conditions to prevent ringing. Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: SN74LV374A 11 SN74LV374A www.ti.com SCLS408K – APRIL 1998 – REVISED DECEMBER 2022 9.2.2 Detailed Design Procedure • • Recommended Input conditions: – Rise time and fall time specs see (Δt/ΔV) in Section 6.3. – Specified High and low levels. See (VIH and VIL) in Section 6.3. – Inputs are overvoltage tolerant allowing them to go as high as 5.5 V at any valid VCC. Recommended output conditions: – Load currents should not exceed 35 mA per output and 70 mA total for the part. – Outputs should not be pulled above VCC. 9.2.3 Application Curve Figure 9-2. Switching Characteristics Comparison 12 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: SN74LV374A SN74LV374A www.ti.com SCLS408K – APRIL 1998 – REVISED DECEMBER 2022 9 Power Supply Recommendations 9.1 The power supply can be any voltage between the MIN and MAX supply voltage rating located in the Section 6.3. Each VCC terminal should have a good bypass capacitor to prevent power disturbance. For devices with a single supply, TI recommends a 0.1-μF capacitor and if there are multiple VCC terminals then TI recommends a 0.01-μF or 0.022-μF capacitor for each power terminal. Multiple bypass capacitors can be paralleled to reject different frequencies of noise. Frequencies of 0.1 μF and 1 μF are commonly used in parallel. The bypass capacitor should be installed as close as possible to the power terminal for best results. Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: SN74LV374A 13 SN74LV374A www.ti.com SCLS408K – APRIL 1998 – REVISED DECEMBER 2022 10 Layout 10.1 Layout Guidelines When using multiple bit logic devices inputs should not ever 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 gate are used or only three of the four buffer gates are used. Such input pins should not be left unconnected because the undefined voltages at the outside connections result in undefined operational states. Specified below are 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 should be applied to any particular unused input depends on the function of the device. Generally they will be tied to GND or VCC whichever make more sense or is more convenient. Floating outputs is generally acceptable, unless the part is a transceiver. If the transceiver has an output enable pin it will disable the outputs section of the part when asserted. This will not disable the input section of the I.O’s so they also cannot float when disabled. 10.2 Layout Example Figure 10-1. Layout Example 14 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: SN74LV374A SN74LV374A www.ti.com SCLS408K – APRIL 1998 – REVISED DECEMBER 2022 11 Device and Documentation Support 11.1 Documentation Support 11.1.1 Related Documentation For related documentation see the following: Implications of Slow or Floating CMOS Inputs, SCBA004 11.2 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 11-1. Related Links PARTS PRODUCT FOLDER SAMPLE & BUY TECHNICAL DOCUMENTS TOOLS & SOFTWARE SUPPORT & COMMUNITY SN74LV374A Click here Click here Click here Click here Click here 11.3 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. 11.4 Community Resources 11.5 Trademarks All trademarks are the property of their respective owners. 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: SN74LV374A 15 PACKAGE OPTION ADDENDUM www.ti.com 5-Dec-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) SN74LV374ADBR ACTIVE SSOP DB 20 2000 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 125 LV374A Samples SN74LV374ADW ACTIVE SOIC DW 20 25 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 125 LV374A Samples SN74LV374ADWG4 ACTIVE SOIC DW 20 25 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 125 LV374A Samples SN74LV374ADWR ACTIVE SOIC DW 20 2000 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 125 LV374A Samples SN74LV374ANSR ACTIVE SO NS 20 2000 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 125 74LV374A Samples SN74LV374APW ACTIVE TSSOP PW 20 70 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 125 LV374A Samples SN74LV374APWR ACTIVE TSSOP PW 20 2000 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 125 LV374A 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
SN74LV374ADWG4 价格&库存

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