74AHC164 データシートの表示（PDF） - NXP Semiconductors.
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74AHC164 Datasheet PDF : 18 Pages
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NXP Semiconductors
5. Pinning information
5.1 Pinning
74AHC164; 74AHCT164
8-bit serial-in/parallel-out shift register
DSA 1
DSB 2
Q0 3
Q1 4
Q2 5
Q3 6
GND 7
14 VCC
13 Q7
12 Q6
164
11 Q5
10 Q4
9 MR
8 CP
001aac422
Fig 5. Pin configuration SO14 and TSSOP14
terminal 1
index area
DSB 2
Q0 3
Q1 4
Q2 5
Q3 6
164
GND(1)
13 Q7
12 Q6
11 Q5
10 Q4
9 MR
001aac828
Transparent top view
(1) The die substrate is attached to this pad using
conductive die attach material. It can not be used as a
supply pin or input.
Fig 6. Pin configuration DHVQFN14
5.2 Pin description
Table 2.
Symbol
DSA
DSB
Q0
Q1
Q2
Q3
GND
CP
MR
Q4
Q5
Q6
Q7
VCC
Pin description
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
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_3
Product data sheet
Rev. 03 — 24 April 2008
© NXP B.V. 2008. All rights reserved.
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