54ACT11253, 74ACT11253
DUAL 1-OF-4 DATA SELECTORS/MULTIPLEXERS
WITH 3-STATE OUTPUTS

SCAS040A - D3110, MARCH 1988 - REVISED APRIL 1993

Copyright © 1992, Texas Instruments Incorporated

features

• Inputs Are TTL-Voltage Compatible
• 3-State Version of ´ACT11153
• Permits Multiplexing From N Lines to One Line
• Performs Parallel-to-Serial Conversion
• Package Options Include Plastic Small- Outline Packages, Ceramic Chip Carriers, and Standard Plastic and Ceramic 300-mil DIPs
• Flow-Through Architecture Optimizes PCB Layout
• Center-Pin V_CC and GND Configurations Minimize High-Speed Switching Noise
• EPIC^TM (Enhanced-Performance Implanted CMOS) 1-m Process

EPIC is a trademark of Texas Instruments Incorporated.

description

Each of these data selectors/multiplexers contains inverters and drivers to supply full binary decoding data selection to the AND-OR gates. Separate output control inputs are provided for each of the two four-line sections.

The 3-state outputs can interface with and drive data lines of bus-organized systems. With all but one of the common outputs disabled (at a high-impedance state), the low-impedance of the single enabled output will drive the bus line to a high or low logic level. Each output has its own strobe (G\). The outputs are disabled when G\ is high.

The 54ACT11253 is characterized for operation over the full military temperature range of - 55°C to 125°C. The 74ACT11253 is characterized for operation from - 40°C to 85°C.

Address inputs A and B are common to both sections.