SN54HC646 Datasheet - Texas Instruments

SN54HC646 OCTAL BUS TRANSCEIVERS/REGISTERS

ordering information NC * No internal connection The ’HC646 devices consist of bus-transceiver circuits with 3-state outputs, D-type flip-flops, and control circuitry arranged for multiplexed transmission of data directly from the input bus or from the internal registers. Data on the A or .

SN54HC646, SN74HC646 OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS SCLS150C DECEMBER 1982 REVISED MARCH 2003 D Wide Operating Voltage Range of 2 V to 6 V D High-Current 3-State Outputs Can Drive Up To 15 LSTTL Loads D Low Power Consumption, 80-µA Max ICC D Typical tpd = 11 ns D ±6-mA Output Drive at 5 V D Low Input Current of 1 µA Max D Independent Registers for A and B Buses D Multiplexed Real-Time and Stored Data D True Data Paths SN54HC646 . . . JT OR W PACK.

SN54HC646-etcTI.pdf