74HC594 Datasheet, PDF (3/10 Pages) NXP Semiconductors – 8-bit shift register with output register

Philips Semiconductors
8-bit shift register with output register
Product specification
74HC/HCT594
PINNING
SYMBOL
Q₀ to Q₇
GND
Q₇’
SH_R
SH_CP
ST_CP
ST_R
D_s
V_CC
PIN
15 & 1 to 7
8
9
10
11
12
13
14
16
DESCRIPTION
parallel data outputs
ground (0 V)
serial data output
shift register reset (active LOW)
shift register clock input
storage register clock input
storage register reset active (LOW)
serial data input
supply voltage
11 12
ge
SH _CP STCP
Q7' 9
Q0 15
Q1 1
Q2 2
14 D _S
Q3 3
Q4 4
Q5 5
Q6 6
Q7 7
SH _R ST _R
10
13 MBC319
ge
Q1 1
Q2 2
Q3 3
Q4 4
Q5 5
Q6 6
Q7 7
GND 8
16 VCC
15 Q ₀
14 D _S
13 _{ST R}
594
12 ST _CP
11 SH _CP
10 _{SH R}
9 Q7'
MBC318
halfpage
ST _R
13
12
ST _{CP 10}
SH _R
SH _CP
11
DS ¹⁴
R2
C2
R ₁ SRG8
C1/
1D
2D
15 _Q0
1
2
3
Q1
Q2
Q3
4
5
Q4
6 ^Q5
7 ^Q6
9
Q7
Q7'
MBC322 - 1
Fig.1 Logic symbol.
Fig.2 Pin configuration.
Fig.3 IEC logic symbol.
December 1991
3