M74HC4094(2003) 查看數據表（PDF） - STMicroelectronics
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M74HC4094 Datasheet PDF : 12 Pages
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M74HC4094
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
CK
OE
ST
SI
H
H
L
H
H
H
H
L
X
L
X
X
H
H
H
L
X
X
X : Don’t Care
Z : High Impedance
NC: No Change
LOGIC DIAGRAM
PIN DESCRIPTION
PIN No
1
2
3
4, 5, 6, 7, 14,
13, 12, 11
9, 10
15
8
16
SYMBOL
STROBE
SERIAL IN
CLOCK
Q1 to Q7
QS Q’S
OE
GND
Vcc
NAME AND FUNCTION
Strobe Input
Serial Input
Clock Input
Parallel Outputs
Serial Outputs
Output Enable Input
Ground (0V)
Positive Supply Voltage
PARALLEL OUTPUTS
Q1
Qn
L
Qn-1
H
Qn-1
NC
NC
Z
Z
NC
NC
Z
Z
SERIAL OUTPUTS
Qs
Qs’
Q7
NC
Q7
NC
Q7
NC
NC
Q8
NC
Q8
Q7
NC
This logic diagram has not be used to estimate propagation delays
2/12
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