74AHC594 查看數據表（PDF） - Philips Electronics
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74AHC594 Datasheet PDF : 29 Pages
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Philips Semiconductors
74AHC594; 74AHCT594
8-bit shift register with output register
74AHC594
74AHCT594
Q1 1
Q2 2
Q3 3
Q4 4
Q5 5
Q6 6
Q7 7
GND 8
16 VCC
15 Q0
14 DS
13 STR
12 STCP
11 SHCP
10 SHR
9 Q7S
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Fig 7. Pin configuration TSSOP16
74AHC594
74AHCT594
terminal 1
index area
Q2 2
Q3 3
Q4 4
Q5 5
Q6 6
Q7 7
GND(1)
15 Q0
14 DS
13 STR
12 STCP
11 SHCP
10 SHR
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Transparent top view
(1) The die substrate is attached to this pad using
conductive die attach material. It can not be used as
supply pin or input
Fig 8. Pin configuration DHVQFN16
6.2 Pin description
Table 2.
Symbol
Q1
Q2
Q3
Q4
Q5
Q6
Q7
GND
Q7S
SHR
SHCP
STCP
STR
DS
Q0
VCC
Pin description
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Description
parallel data output Q1
parallel data output Q2
parallel data output Q3
parallel data output Q4
parallel data output Q5
parallel data output Q6
parallel data output Q7
ground (0 V)
serial data output Q7S
shift register reset SHR (active LOW)
shift register clock input SHCP
storage register clock input STCP
storage register reset STR (active LOW)
serial data input DS
parallel data output Q0
supply voltage
74AHC_AHCT594_1
Product data sheet
Rev. 01 — 4 July 2006
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
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