Diodes 74HCT595 - Manual (Page 2)

74HCT595
Document number: DS35493 Rev. 3 - 2
2 of 11
www.diodes.com
July 2013
© Diodes Incorporated
Preliminary
74HCT595
Pin Descriptions
Pin Number Pin Name Description
1 Q1 Parallel Data Output 1
2 Q2 Parallel Data Output 2
3 Q3 Parallel Data Output 3
4 Q4 Parallel Data Output 4
5 Q5 Parallel Data Output 5
6 Q6 Parallel Data Output 6
7 Q7 Parallel Data Output 7
8 GND Ground
9 Q7S Serial Data Output
10 MR Master Reset Input
11 SHCP Shift Register Clock Input
12 STCP Storage Register Clock Input
13 OE Output Enable Input
14 DS Serial Data Input
15 Q0 Parallel Data Output 0
16 Vcc Supply Voltage
Functional Diagram
Logic Diagram
R
D Q
CP
FF0
D Q
CP
LATCH
STAGE 0
D Q
STAGES 1 TO 6
R
D Q
CP
FF7
D Q
CP
LATCH
STAGE 7
DS
SHCP
MR
STCP
OE
Q0 Q1 Q2 Q3 Q5 Q4 Q6 Q7
Q7S