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SN74LVT245BPWR

SN74LVT245BPWR

  • 厂商:

    BURR-BROWN(德州仪器)

  • 封装:

    TSSOP20_6.5X4.4MM

  • 描述:

    SN74LVT245B 具有三态输出的 3.3V ABT 八路总线收发器

  • 详情介绍
  • 数据手册
  • 价格&库存
SN74LVT245BPWR 数据手册
SN74LVT245B 3.3-V ABT OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS SCES004H − JANUARY 1995 − REVISED SEPTEMBER 2003 D Supports Mixed-Mode Signal Operation D 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VCC OE B1 B2 B3 B4 B5 B6 B7 B8 A1 A2 A3 A4 A5 A6 A7 A8 1 20 19 OE 18 B1 2 3 17 B2 16 B3 4 5 15 B4 14 B5 6 7 13 B6 12 B7 8 9 10 11 B8 DIR A1 A2 A3 A4 A5 A6 A7 A8 GND RGY PACKAGE (TOP VIEW) VCC DB, DW, NS, OR PW PACKAGE (TOP VIEW) DIR D D Insertion Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II ESD Protection Exceeds JESD 22 − 2000-V Human-Body Model (A114-A) − 200-V Machine Model (A115-A) − 1000-V Charged-Device Model (C101) GND D D Ioff and Power-Up 3-State Support Hot (5-V Input and Output Voltages With 3.3-V VCC) Supports Unregulated Battery Operation Down to 2.7 V Typical VOLP (Output Ground Bounce) VCC. 3. The package thermal impedance is calculated in accordance with JESD 51-7. 4. The package thermal impedance is calculated in accordance with JESD 51-5. recommended operating conditions (see Note 5) MIN MAX 2.7 3.6 UNIT VCC Supply voltage VIH High-level input voltage VIL Low-level input voltage VI Input voltage 5.5 V IOH High-level output current −32 mA IOL Low-level output current Δt/Δv Input transition rise or fall rate Δt/ΔVCC Power-up ramp rate 200 TA Operating free-air temperature −40 2 V 0.8 Outputs enabled V V 64 mA 10 ns/V μs/V 85 °C NOTE 5: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 3 SN74LVT245B 3.3-V ABT OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS SCES004H − JANUARY 1995 − REVISED SEPTEMBER 2003 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER VIK VOH TEST CONDITIONS VCC = 2.7 V, II = −18 mA VCC = 2.7 V to 3.6 V, IOH = −100 μA VCC = 2.7 V, IOH = −8 mA VCC = 3 V, IOH = −32 mA VCC = 2 2.7 7V VOL VCC = 3 V Control inputs A or B UNIT −1.2 V VCC−0.2 2.4 V 2 IOL = 100 μA 0.2 IOL = 24 mA 0.5 IOL = 16 mA 0.4 IOL = 32 mA 0.5 IOL = 64 mA 0.55 VI = VCC or GND ±1 VCC = 0 or 3.6 V, VI = 5.5 V 10 VI = 5.5 V 20 VI = VCC 1 VCC = 3.6 V VI = 0 Ioff VCC = 0, VI or VO = 0 to 4.5 V IOZH VCC = 3.6 V, VO = 3 V IOZL VCC = 3.6 V, VO = 0.5 V IOZPU IOZPD V μA −5 ±100 μA 5 μA −5 μA VCC = 0 to 1.5 V, VO = 0.5 V to 3 V, OE = don’t care ±100 μA VCC = 1.5 V to 0, VO = 0.5 V to 3 V, OE = don’t care ±100 μA Outputs high VCC = 3.6 V, IO = 0, VI = VCC or GND ICC MAX VCC = 3.6 V, II ports‡ TYP† MIN 0.19 Outputs low 5 Outputs disabled mA 0.19 ΔICC§ VCC = 3 V to 3.6 V, One input at VCC − 0.6 V, Other inputs at VCC or GND Ci VI = 3 V or 0 4 pF Cio VO = 3 V or 0 9 pF 0.2 mA † All typical values are at VCC = 3.3 V, TA = 25°C. ‡ Unused terminals are at V CC or GND. § This is the increase in supply current for each input that is at the specified TTL-voltage level, rather than V CC or GND. switching characteristics over recommended operating free-air temperature range, CL = 50 pF (unless otherwise noted) (see Figure 1) PARAMETER tPLH tPHL tPZH tPZL tPHZ tPLZ † 4 FROM (INPUT) TO (OUTPUT) A or B B or A OE A or B OE A or B All typical values are at VCC = 3.3 V, TA = 25°C. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 VCC = 3.3 V ± 0.3 V VCC = 2.7 V UNIT MIN TYP† MAX 1.2 2.3 3.5 4 1.2 2.1 3.5 4 1.3 3.2 5.5 7.1 1.7 3.4 5.5 6.5 2.2 3.5 5.9 6.5 2.2 3.4 5 5.1 MIN MAX ns ns ns SN74LVT245B 3.3-V ABT OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS SCES004H − JANUARY 1995 − REVISED SEPTEMBER 2003 PARAMETER MEASUREMENT INFORMATION 500 Ω From Output Under Test 6V Open S1 GND CL = 50 pF (see Note A) 500 Ω TEST S1 tPLH/tPHL tPLZ/tPZL tPHZ/tPZH Open 6V GND 2.7 V LOAD CIRCUIT Timing Input 1.5 V 0V tw tsu th 2.7 V 1.5 V Input 2.7 V 1.5 V Data Input 1.5 V 1.5 V 0V 0V VOLTAGE WAVEFORMS PULSE DURATION VOLTAGE WAVEFORMS SETUP AND HOLD TIMES 2.7 V 2.7 V 1.5 V Input Output Control 1.5 V 0V tPLH Output Waveform 1 S1 at 6 V (see Note B) VOH 1.5 V VOL tPHL VOH Output 1.5 V tPLZ 3V 1.5 V tPZH tPLH 1.5 V VOL Output Waveform 2 S1 at GND (see Note B) VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES INVERTING AND NONINVERTING OUTPUTS 1.5 V 0V tPZL tPHL 1.5 V Output 1.5 V VOL + 0.3 V VOL tPHZ 1.5 V VOH − 0.3 V VOH ≈0 V VOLTAGE WAVEFORMS ENABLE AND DISABLE TIMES LOW- AND HIGH-LEVEL ENABLING NOTES: A. CL includes probe and jig capacitance. B. 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. C. All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, ZO = 50 Ω, tr ≤ 2.5 ns, tf ≤ 2.5 ns. D. The outputs are measured one at a time with one transition per measurement. E. All parameters and waveforms are not applicable to all devices. Figure 1. Load Circuit and Voltage Waveforms POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 5 PACKAGE OPTION ADDENDUM www.ti.com 14-Oct-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) SN74LVT245BDBR ACTIVE SSOP DB 20 2000 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 LX245B Samples SN74LVT245BDW ACTIVE SOIC DW 20 25 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 LVT245B Samples SN74LVT245BDWE4 ACTIVE SOIC DW 20 25 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 LVT245B Samples SN74LVT245BDWG4 ACTIVE SOIC DW 20 25 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 LVT245B Samples SN74LVT245BDWR ACTIVE SOIC DW 20 2000 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 LVT245B Samples SN74LVT245BDWRE4 ACTIVE SOIC DW 20 2000 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 LVT245B Samples SN74LVT245BNSR ACTIVE SO NS 20 2000 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 LVT245B Samples SN74LVT245BPW ACTIVE TSSOP PW 20 70 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 LX245B Samples SN74LVT245BPWG4 ACTIVE TSSOP PW 20 70 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 LX245B Samples SN74LVT245BPWR ACTIVE TSSOP PW 20 2000 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 LX245B Samples SN74LVT245BPWRE4 ACTIVE TSSOP PW 20 2000 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 LX245B Samples SN74LVT245BPWRG4 ACTIVE TSSOP PW 20 2000 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 LX245B Samples SN74LVT245BRGYR ACTIVE VQFN RGY 20 3000 RoHS & Green NIPDAU Level-2-260C-1 YEAR -40 to 85 LX245B 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
SN74LVT245BPWR
物料型号:SN74LVT245B

器件简介:这是一种3.3V ABT八路双向总线收发器,具有三态输出,支持混合模式信号操作(5V输入和输出电压与3.3V VCC),支持未调节电池操作低至2.7V。

引脚分配:文档提供了不同封装类型的顶视图,包括DB, DW, NS, OR PW封装,详细列出了各引脚的功能。

参数特性:包括工作电压范围、输入电压范围、输出电流、ESD保护等级、功耗等。

功能详解:该器件设计用于异步通信,根据DIR引脚的逻辑电平,数据可以从A总线传输到B总线,或从B总线传输到A总线。OE引脚可用于禁用器件,从而有效隔离总线。

应用信息:适用于低电压(3.3V)VCC操作,同时能够提供TTL接口至5V系统环境。

封装信息:提供了多种封装选项,包括QFN, SOIC, TSSOP, VFBGA等,并给出了订购信息和顶侧标记。

电气特性和开关特性表格提供了详细的参数测量信息,包括高低电平输出电压、控制输入、功耗、传播延迟时间等。还包括了绝对最大额定值和推荐工作条件。
SN74LVT245BPWR 价格&库存

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SN74LVT245BPWR
  •  国内价格
  • 1+3.64661
  • 30+3.52087
  • 100+3.26938
  • 500+3.01789
  • 1000+2.89214

库存:0

SN74LVT245BPWR
  •  国内价格
  • 1+2.63320

库存:820

SN74LVT245BPWR
    •  国内价格
    • 1+3.81700
    • 100+3.16800
    • 1000+2.88200
    • 2000+2.67300

    库存:83

    SN74LVT245BPWR
    •  国内价格 香港价格
    • 1+7.190171+0.86361
    • 10+5.1682010+0.62075
    • 25+4.6553325+0.55915
    • 100+4.09019100+0.49127
    • 250+3.81985250+0.45880
    • 500+3.65697500+0.43924
    • 1000+3.522921000+0.42314

    库存:4208

    SN74LVT245BPWR
      •  国内价格
      • 1+4.80480
      • 10+3.98480
      • 30+3.58050
      • 100+3.16470
      • 500+2.54100
      • 1000+2.41400

      库存:1344

      SN74LVT245BPWR
      •  国内价格
      • 1+4.49280
      • 10+3.72600
      • 30+3.34800
      • 100+2.95920
      • 500+2.37600
      • 1000+2.25720

      库存:1265