SN54ABT16374A - 具有三态输出的 16 位边沿 D 类触发器

SN54ABT16374A是TI德州仪器公司的一款D类触发器产品，SN54ABT16374A是具有三态输出的 16 位边沿 D 类触发器，本站介绍了SN54ABT16374A的封装应用图解、特点和优点、功能等，并给出了与SN54ABT16374A相关的TI元器件型号供参考。

SN54ABT16374A - 具有三态输出的 16 位边沿 D 类触发器 - D类触发器 - 触发器/锁存器/寄存器 - 德州仪器

产品描述

The 'ABT16374A are 16-bit edge-triggered D-type flip-flops with 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.

These devices 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.

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 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.

When VCC is between 0 and 2.1 V, the device is in the high-impedance state during power up or power down. However, to ensure the high-impedance state above 2.1 V, 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.

The SN54ABT16374A is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ABT16374A is characterized for operation from -40°C to 85°C.

产品特性

Members of the Texas Instruments WidebusTM Family
State-of-the-Art EPIC-II BTM BiCMOS Design Significantly Reduces Power Dissipation
ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015
Latch-Up Performance Exceeds 500 mA Per JEDEC Standard JESD-17
Typical VOLP (Output Ground Bounce) < 0.8 V at VCC = 5 V, TA = 25°C
High-Impedance State During Power Up and Power Down
Distributed VCC and GND Pin Configuration Minimizes High-Speed Switching Noise
Flow-Through Architecture Optimizes PCB Layout
High-Drive Outputs (-32-mA IOH, 64-mA IOL)
Package Options Include Plastic 300-mil Shrink Small-Outline (DL) and Thin Shrink Small-Outline (DGG) Packages and 380-mil Fine-Pitch Ceramic Flat (WD) Package Using 25-mil Center-to-Center Spacings
Widebus and EPIC-IIB are trademarks of Texas Instruments Incorporated.

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