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SL74HC651N Datasheet(PDF) 1 Page - System Logic Semiconductor

No. de Pieza. SL74HC651N
Descripción  Octal 3-State Bus Transceivers and D Flip-Flops(High-Performance Silicon-Gate CMOS)
Descarga  9 Pages
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Fabricante  SLS [System Logic Semiconductor]
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SL74HC651N Datasheet(HTML) 1 Page - System Logic Semiconductor

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System Logic
Octal 3-State Bus Transceivers and D Flip-Flops
High-Performance Silicon-Gate CMOS
The SL74HC651 is identical in pinout to the LS/ALS651. The device
inputs are compatible with standard CMOS outputs; with pullup
resistors, they are compatible with LS/ALSTTL outputs.
These devices consists of bus transceiver circuits, D-type flip-flop,
and control circuitry arranged for multiplex transmission of data
directly from the data bus or from the internal storage registers.
Direction and Output Enable are provided to select the read-time or
stored data function. Data on the A or B Data bus, or both, can be
stored in the internal D flip-flops by low-to-high transitions at the
appropriate clock pins (A-to-B Clock or B-to-A Clock) regardless of the
select or enable or enable control pins. When A-to-B Source and B-to-
A Source are in the real-time transfer mode, it is als o possible to store
data without using the internal D-type flip-flops by simulta-neously
enabling Direction and Output Enable. In this configuration each
output reinforces its input. Thus, when all other data sources to the
two sets of bus lines are at hig h impedance, each set of bus lines will
remain at its last state.
The SL74HC651 has inverted outputs.
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 2.0 to 6.0 V
• Low Input Current: 1.0 µA
• High Noise Immunity Characteristic of CMOS Devices
SL74HC651N Plastic
TA = -55
° to 125° C for all packages
PIN 12 = GND

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