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CD54HC165 Datasheet(PDF) 2 Page - Texas Instruments

Part No. CD54HC165
Description  High-Speed CMOS Logic 8-Bit Parallel-In/Serial-Out Shift Register
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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CD54HC165 Datasheet(HTML) 2 Page - Texas Instruments

 
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2
Functional Diagram
TRUTH TABLE
OPERATING MODE
INPUTS
Qn REGISTER
OUTPUTS
PL
CE
CP
DS
D0 - D7
Q0
Q1 - Q6
Q7
Q7
Parallel Load
L
X
X
X
L
L
L-L
L
H
L
XXX
H
H
H-H
H
L
Serial Shift
H
L
lX
L
q0 - q5
q6
q6
HL
hX
H
q0 - q5
q6
q6
Hold Do Nothing
H
H
X
X
X
q0
q1 - q6
q7
q7
H =High Voltage Level
h
= High Voltage Level One Set-up Time Prior To The Low-to-high Clock Transition
l
= Low Voltage Level One Set-up Time Prior To The Low-to-high Clock Transition
L
= Low Voltage Level
X = Don’t Care
↑ = Transition from Low to High Level
qn = Lower Case Letters Indicate The State Of the Reference Output Clock Transition
9
7
Q7
Q7
11
12
14
4
3
13
D5
D4
D3
D2
D1
D0
5
D6
6
D7
10
DS
CE
2
PL
DATA
INPUTS
SERIAL
OUTPUTS
CP
15
1
PARALLEL
GND = 8
VCC = 16
CD54HC165, CD74HC165, CD54HCT165, CD74HCT165


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