SN74ABT16373A-EP - 具有三态输出的增强型产品 16 位 D 类透明锁存器

SN74ABT16373A-EP是TI德州仪器公司的一款D类锁存器产品，SN74ABT16373A-EP是具有三态输出的增强型产品 16 位 D 类透明锁存器，本站介绍了SN74ABT16373A-EP的封装应用图解、特点和优点、功能等，并给出了与SN74ABT16373A-EP相关的TI元器件型号供参考。

SN74ABT16373A-EP - 具有三态输出的增强型产品 16 位 D 类透明锁存器 - D类锁存器 - 触发器/锁存器/寄存器 - 德州仪器

产品描述

产品特性

Controlled Baseline
- One Assembly/Test Site, One Fabrication Site
Extended Temperature Performance of -55°C to 125°C
Enhanced Diminishing Manufacturing Sources (DMS) Support
Enhanced Product Change Notification
Qualification Pedigree(1)
Member of the Texas Instruments Widebus™ Family
State-of-the-Art EPIC-IIB™ BiCMOS Design Significantly Reduces Power Dissipation
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 (-24-mA IOH, 48-mA IOL)
Plastic 300-mil Shrink Small-Outline (DL) Package

(1)Component qualification in accordance with JEDEC and industry standards to ensure reliable operation over an extended temperature range. This includes, but is not limited to, Highly Accelerated Stress Test (HAST) or biased 85/85, temperature cycle, autoclave or unbiased HAST, electromigration, bond intermetallic life, and mold-compound life. Such qualification testing should not be viewed as justifying use of this component beyond specified performance and environmental limits.

Widebus, EPIC-IIB are trademarks of Texas Instruments.

DESCRIPTION/ORDERING INFORMATION

The SN74ABT16373A-EP is a 16-bit transparent D-type latch with 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. The SN74ABT16373A-EP is particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers.

The SN74ABT16373A-EP can be used as two 8-bit latches or one 16-bit latch. When the latch-enable (LE) input is high, the Q outputs follow the data (D) inputs. When LE is taken low, the Q outputs are latched at the levels set up at the 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 latch. 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 SN74ABT16373A-EP is characterized for operation from -55°C to 125°C.

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