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SL74HC623 Datasheet(PDF) 1 Page - System Logic Semiconductor

Part No. SL74HC623
Description  Octal 3-State Noninverting Bus Transceiver(High-Performance Silicon-Gate CMOS)
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Manufacturer  SLS [System Logic Semiconductor]
Direct Link  http://www.slsemicon.co.kr/e_index.htm
Logo SLS - System Logic Semiconductor

SL74HC623 Datasheet(HTML) 1 Page - System Logic Semiconductor

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SL74HC623
System Logic
Semiconductor
SLS
Octal 3-State Noninverting Bus Transceiver
High-Performance Silicon-Gate CMOS
The SL74HC623 is identical in pinout to the LS/ALS623. The device
inputs are compatible with standard CMOS outputs; with pullup
resistors, they are compatible with LS/ALSTTL outputs.
The SL74HC623 is a 3-state noninverting 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
SL74HC623N Plastic
SL74HC623D SOIC
TA = -55
° to 125° C for all packages
FUNCTION TABLE
Control Inputs
Output
Enable
Direction
Operation
L
L
Data Transmitted
from Bus B to Bus
A
L
H
Data Transmitted
from Bus A to Bus
B
H
L
Buses Isolated
L
H
(High Impedance
State)
LOGIC DIAGRAM
PIN 20=VCC
PIN 10 = GND
PIN ASSIGNMENT


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