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74AHC594 Datasheet(PDF) 5 Page - NXP Semiconductors

Part No. 74AHC594
Description  8-bit shift register with output register
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74AHC594 Datasheet(HTML) 5 Page - NXP Semiconductors

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74AHC_AHCT594_1
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet
Rev. 01 — 4 July 2006
5 of 29
Philips Semiconductors
74AHC594; 74AHCT594
8-bit shift register with output register
6.2 Pin description
(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 7.
Pin configuration TSSOP16
Fig 8.
Pin configuration DHVQFN16
74AHC594
74AHCT594
Q1
VCC
Q2
Q0
Q3
DS
Q4
STR
Q5
STCP
Q6
SHCP
Q7
SHR
GND
Q7S
001aae344
1
2
3
4
5
6
7
8
10
9
12
11
14
13
16
15
001aae345
74AHC594
74AHCT594
Q7
SHR
Q6
SHCP
Q5
STCP
Q4
STR
Q3
DS
Q2
Q0
Transparent top view
7
10
6
11
5
12
4
13
3
14
2
15
terminal 1
index area
GND(1)
Table 2.
Pin description
Symbol
Pin
Description
Q1
1
parallel data output Q1
Q2
2
parallel data output Q2
Q3
3
parallel data output Q3
Q4
4
parallel data output Q4
Q5
5
parallel data output Q5
Q6
6
parallel data output Q6
Q7
7
parallel data output Q7
GND
8
ground (0 V)
Q7S
9
serial data output Q7S
SHR
10
shift register reset SHR (active LOW)
SHCP
11
shift register clock input SHCP
STCP
12
storage register clock input STCP
STR
13
storage register reset STR (active LOW)
DS
14
serial data input DS
Q0
15
parallel data output Q0
VCC
16
supply voltage


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