74AHC164 Просмотр технического описания (PDF) - Nexperia B.V. All rights reserved
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74AHC164 Datasheet PDF : 16 Pages
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Nexperia
5. Pinning information
5.1. Pinning
74AHC164
74AHCT164
DSA 1
DSB 2
Q0 3
Q1 4
Q2 5
Q3 6
GND 7
14 VCC
13 Q7
12 Q6
11 Q5
10 Q4
9 MR
8 CP
001aac422
Fig. 5. Pin configuration SOT108-1 (SO14) and
SOT402-1 (TSSOP14)
5.2. Pin description
Table 2. Pin description
Symbol
Pin
DSA
1
DSB
2
Q0
3
Q1
4
Q2
5
Q3
6
GND
7
CP
8
MR
9
Q4
10
Q5
11
Q6
12
Q7
13
VCC
14
74AHC164; 74AHCT164
8-bit serial-in/parallel-out shift register
74AHC164
74AHCT164
terminal 1
index area
DSB 2
Q0 3
Q1 4
Q2 5
Q3 6
GND(1)
13 Q7
12 Q6
11 Q5
10 Q4
9 MR
001aac828
Transparent top view
(1) This is not a ground pin. There is no electrical or
mechanical requirement to solder the pad. In case
soldered, the solder land should remain floating or
connected to GND
Fig. 6. Pin configuration SOT762-1 (DHVQFN14)
Description
serial data input A
serial data input B
output 0
output 1
output 2
output 3
ground (0 V)
clock input (LOW-to-HIGH edge-triggered)
master reset input (active LOW)
output 4
output 5
output 6
output 7
supply voltage
74AHC_AHCT164
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 11 June 2020
© Nexperia B.V. 2020. All rights reserved
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