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D 型触发器

SN74ALVCH162374

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具有三态输出的 16 位边沿 D 类触发器

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SN74ALVCH162374

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产品详情

Number of channels 16 Technology family ALVC Input type Standard CMOS Output type 3-State Clock frequency (max) (MHz) 150 IOL (max) (mA) 12 IOH (max) (mA) -12 Supply current (max) (µA) 40 Features Balanced outputs, Bus-hold, Damping resistors, Over-voltage tolerant inputs, Very high speed (tpd 5-10ns) Operating temperature range (°C) -40 to 85 Rating Catalog
Number of channels 16 Technology family ALVC Input type Standard CMOS Output type 3-State Clock frequency (max) (MHz) 150 IOL (max) (mA) 12 IOH (max) (mA) -12 Supply current (max) (µA) 40 Features Balanced outputs, Bus-hold, Damping resistors, Over-voltage tolerant inputs, Very high speed (tpd 5-10ns) Operating temperature range (°C) -40 to 85 Rating Catalog
TSSOP (DGG) 48 101.25 mm² (12.5 mm × 8.1 mm) SSOP (DL) 48 164.358 mm² (15.88 mm × 10.35 mm)
  • Member of the Texas Instruments Widebus™ Family
  • Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors
  • Output Ports Have Equivalent 26- Series Resistors, So No External Resistors Are Required
  • Latch-Up Performance Exceeds 250 mA Per JESD 17
  • ESD Protection Exceeds JESD 22
    • 2000-V Human-Body Model (A114-A)
    • 200-V Machine Model (A115-A)

Widebus is a trademark of Texas Instruments.
  • Member of the Texas Instruments Widebus™ Family
  • Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors
  • Output Ports Have Equivalent 26- Series Resistors, So No External Resistors Are Required
  • Latch-Up Performance Exceeds 250 mA Per JESD 17
  • ESD Protection Exceeds JESD 22
    • 2000-V Human-Body Model (A114-A)
    • 200-V Machine Model (A115-A)

Widebus is a trademark of Texas Instruments.

This 16-bit edge-triggered D-type flip-flop is designed for 1.65-V to 3.6-V VCC operation.

The SN74ALVCH162374 is particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers. It can be used as two 8-bit flip-flops or one 16-bit flip-flop. On the positive transition of the clock (CLK) input, the Q outputs of the flip-flop take on the logic levels set up at the data (D) inputs.

The output-enable (OE)\ input can be used to place the eight outputs in either a normal logic state (high or low logic levels) or a 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 flip-flop. Old data can be retained or new data can be entered while the outputs are in the high-impedance state.

The outputs, which are designed to sink up to 12 mA, include equivalent 26- resistors to reduce overshoot and undershoot.

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.

Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors with the bus-hold circuitry is not recommended.

This 16-bit edge-triggered D-type flip-flop is designed for 1.65-V to 3.6-V VCC operation.

The SN74ALVCH162374 is particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers. It can be used as two 8-bit flip-flops or one 16-bit flip-flop. On the positive transition of the clock (CLK) input, the Q outputs of the flip-flop take on the logic levels set up at the data (D) inputs.

The output-enable (OE)\ input can be used to place the eight outputs in either a normal logic state (high or low logic levels) or a 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 flip-flop. Old data can be retained or new data can be entered while the outputs are in the high-impedance state.

The outputs, which are designed to sink up to 12 mA, include equivalent 26- resistors to reduce overshoot and undershoot.

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.

Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors with the bus-hold circuitry is not recommended.
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顶层文档 类型 标题 格式选项 下载最新的英语版本 日期
* 数据表 SN74ALVCH162374 数据表 (Rev. F) 2004-9-1
应用手册 Power-Up Behavior of Clocked Devices (Rev. B) PDF | HTML 2022-12-15
应用手册 An Overview of Bus-Hold Circuit and the Applications (Rev. B) 2018-9-17

设计与开发

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仿真模型

HSPICE Model for SN74ALVCH162374

SCEJ241.ZIP (273 KB) - HSpice 模型
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仿真模型

SN74ALVCH162374 IBIS Model

SCEM346.ZIP (64 KB) - IBIS 模型
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封装 引脚 CAD 符号、封装和 3D 模型
TSSOP (DGG) 48 Ultra Librarian
SSOP (DL) 48 Ultra Librarian
适用于评估类项目的 TI 标准条款与条件。

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