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SL74HC4094 Datasheet(PDF) 1 Page - System Logic Semiconductor

Part No. SL74HC4094
Description  8-Bit Serial-Input Shift Register With Latched 3-State Outputs(High-Performance Silicon-Gate CMOS)
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Maker  SLS [System Logic Semiconductor]
Homepage  http://www.slsemicon.co.kr/e_index.htm
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SL74HC4094 Datasheet(HTML) 1 Page - System Logic Semiconductor

   
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SL74HC4094
System Logic
Semiconductor
SLS
8-Bit Serial-Input Shift Register With Latched
3-State Outputs
High-Performance Silicon-Gate CMOS
The SL74HC4094 is identical in pinout to the LS/ALS4094. The
device inputs are compatible with standard CMOS outputs; with pullup
resistors, they are compatible with LS/ALSTTL outputs.
This device consists of an 8-bit shift register and 8-bit D-type latch
with three-state parallel outputs. Data is shifted serially through the
shift register on the positive going transition of the clock input signal.
The output of the last stage SQH can be used to cascade several
devices.
Data on the SQH output is transferred to a second output (SQH’) on
the following negative transition of the clock input signal. The data of
each stage of the shift register is provided with a latch, which latches
data on the negative going transition of the Strobe input signal. When
the Strobe input is held high, data propagates through the latch to a 3-
state output buffer.
This buffer is enabled when Output Enable input is taken high.
• 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
SL74HC4094N Plastic
SL74HC4094D SOIC
TA = -55
° to 125° C for all packages
PIN ASSIGNMENT
LOGIC DIAGRAM
PIN 16 =VCC
PIN 8 = GND
FUNCTION TABLE
Inputs
Parallel
Outputs
Serial
Outputs
Clock
Output
Enable
Strobe
A
QA
QN
SQH SQH
L
X
X
Z
Z
Q6
NC
L
X
X
Z
Z
NC SQH
H
L
X
NC
NC
Q6
NC
H
H
L
L
QN-1
Q6
NC
H
H
H
H
QN-1
Q6
NC
H
X
X
NC
NC
NC SQH
NC = No Change
Z = high impedance
X = don’t care


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