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SL74HC620 View Datasheet(PDF) - System Logic Semiconductor

Part NameDescriptionManufacturer
SL74HC620 Octal 3-State Inverting Bus Transceiver System-Logic
System Logic Semiconductor System-Logic
SL74HC620 Datasheet PDF : 5 Pages
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SL74HC620
Octal 3-State Inverting Bus Transceiver
High-Performance Silicon-Gate CMOS
The SL74HC620 is identical in pinout to the LS/ALS620. The device
inputs are compatible with standard CMOS outputs; with pullup
resistors, they are compatible with LS/ALSTTL outputs.
The SL74HC620 is a 3-state transceiver that is used for 2-way
communication between data buses. Two separate enables are
available. The enable for bus A to B is active-high, the enable for bus B
to A is active-low.
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
ORDERING INFORMATION
SL74HC620N Plastic
SL74HC620D SOIC
TA = -55° to 125° C for all packages
LOGIC DIAGRAM
PIN ASSIGNMENT
PIN 20=VCC
PIN 10 = GND
SLS
System Logic
Semiconductor
FUNCTION TABLE
Control Inputs
Output Direction
Enable
L
L
H
H
H
L
L
H
Operation
Data Transmitted
from Bus B to Bus
A (inverted)
Data Transmitted
from Bus A to Bus
B (inverted)
Buses Isolated
(High Impedance
State)
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