SN54ALS880A, SN54AS880, SN74ALS880A, SN74AS880 DUAL 4-BIT D-TYPE LATCHES WITH 3-STATE OUTPUTS

SDAS079A - D2661, DECEMBER 1982 - REVISED MAY 1986

features

• 3-State Buffer-Type Outputs Drive Bus Lines Directly
• Bus-Structured Pinout
• 'ALS873B is Alternative Version With Noninverting Outputs
• Package Options Include Plastic Small Outline Packages, Both Plastic and Ceramic Chip Carriers, and Standard Plastic and Ceramic 300-mil DIPs
• Dependable Texas Instruments Quality and Reliability

description

These dual 4-bit registers feature 3-state outputs designedspecifically for bus driving. This makes these devices particularlysuitable for implementing buffer registers, I/O ports, bidirectionalbus drivers, and working registers.

The dual 4-bit latches are transparent D-type. When the latchenable input (1C or 2C) is high, the Q\ outputs will follow the data(D) inputs in inverted form, according to the function table. Whenthe latch enable input is taken low, the outputs will be latched.When goes low, theQ\ outputs go low independently of the clock. The outputs are in ahigh-impedance state when (output control) is at a high logic level.

The SN54ALS880A and SN54AS880 are characterized for operation overthe full military temperature range of -55°C to 125°C. TheSN74ALS880A and SN74AS880 are characterized for operation from0°C to 70°C.

View more information about generic part numbers:SN74ALS880A, SN74AS880

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