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74HCT165N View Datasheet(PDF) - NXP Semiconductors.

Part Name
Description
Manufacturer
74HCT165N
NXP
NXP Semiconductors. NXP
74HCT165N Datasheet PDF : 22 Pages
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NXP Semiconductors
74HC165; 74HCT165
8-bit parallel-in/serial out shift register
6.2 Pin description
Table 2.
Symbol
PL
CP
Q7
GND
Q7
DS
D0 to D7
CE
VCC
Pin description
Pin
1
2
7
8
9
10
11, 12, 13, 14, 3, 4, 5, 6
15
16
Description
asynchronous parallel load input (active LOW)
clock input (LOW-to-HIGH edge-triggered)
complementary output from the last stage
ground (0 V)
serial output from the last stage
serial data input
parallel data inputs (also referred to as Dn)
clock enable input (active LOW)
positive supply voltage
7. Functional description
Table 3. Function table[1]
Operating modes Inputs
Qn registers
Outputs
PL
CE
CP
DS
D0 to D7 Q0
Q1 to Q6 Q7
Q7
parallel load
L
X
X
X
L
L
L to L L
H
L
X
X
X
H
H
H to H H
L
serial shift
H
L
l
X
L
q0 to q5 q6
q6
H
L
h
X
H
q0 to q5 q6
q6
H
L
l
X
L
q0 to q5 q6
q6
H
L
h
X
H
q0 to q5 q6
q6
hold “do nothing” H
H
X
X
X
q0
q1 to q6 q7
q7
H
X
H
X
X
q0
q1 to q6 q7
q7
[1] H = HIGH voltage level;
h = HIGH voltage level one set-up time prior to the LOW-to-HIGH clock transition;
L = LOW voltage level;
l = LOW voltage level one set-up time prior to the LOW-to-HIGH clock transition;
q = state of the referenced output one set-up time prior to the LOW-to-HIGH clock transition;
X = don’t care;
= LOW-to-HIGH clock transition.
74HC_HCT165_3
Product data sheet
Rev. 03 — 14 March 2008
© NXP B.V. 2008. All rights reserved.
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