74AHC594 데이터 시트보기 (PDF) - Nexperia B.V. All rights reserved
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74AHC594 Datasheet PDF : 21 Pages
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Nexperia
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
001aae344
Fig. 6. Pin configuration SOT338-1 (SSOP16) and
SOT403-1 (TSSOP16)
74AHC594; 74AHCT594
8-bit shift register with output register
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
001aae345
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. 7. Pin configuration SOT763-1 (DHVQFN16)
6.2. Pin description
Table 2. Pin description
Symbol
Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7
GND
Q7S
SHR
SHCP
STCP
STR
DS
VCC
Pin
15, 1, 2, 3, 4, 5, 6, 7
8
9
10
11
12
13
14
16
Description
parallel data output
ground (0 V)
serial data output
shift register reset input (active LOW)
shift register clock input
storage register clock input
storage register reset input (active LOW)
serial data input
supply voltage
74AHC_AHCT594
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 25 June 2020
© Nexperia B.V. 2020. All rights reserved
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