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74HC595 Datasheet, PDF (13/28 Pages) NXP Semiconductors – 8-bit serial-in/serial or parallel-out shift register with output latches; 3-state
Philips Semiconductors
8-bit serial-in, serial or parallel-out shift
register with output latches; 3-state
Product specification
74HC595; 74HCT595
AC CHARACTERISTICS
Family 74HC
GND = 0 V; tr = tf = 6 ns; CL = 50 pF.
SYMBOL
PARAMETER
Tamb = 25 °C
tPHL/tPLH
propagation delay
SH_CP to Q7’
propagation delay
ST_CP to Qn
tPHL
propagation delay
MR to Q7’
tPZH/tPZL
3-state output enable time
OE to Qn
tPHZ/tPLZ
3-state output disable time
OE to Qn
tW
shift clock pulse width
HIGH or LOW
storage clock pulse width
HIGH or LOW
master reset pulse width
LOW
tsu
set-up time DS to SH_CP
set-up time
SH_CP to ST_CP
th
hold time DS to SH_CP
TEST CONDITIONS
WAVEFORMS VCC (V)
MIN.
see Fig.7
see Fig.8
see Fig.10
see Fig.11
see Fig.11
see Fig.7
see Fig.8
see Fig.10
see Fig.9
see Fig.8
see Fig.9
2.0
−
4.5
−
6.0
−
2.0
−
4.5
−
6.0
−
2.0
−
4.5
−
6.0
−
2.0
−
4.5
−
6.0
−
2.0
−
4.5
−
6.0
−
2.0
75
4.5
15
6.0
13
2.0
75
4.5
15
6.0
13
2.0
75
4.5
15
6.0
13
2.0
50
4.5
10
6.0
9.0
2.0
75
4.5
15
6.0
13
2.0
+3
4.5
+3
6.0
+3
TYP.
52
19
15
55
20
16
47
17
14
47
17
14
41
15
12
17
6
5
11
4
3
17
6.0
5.0
11
4.0
3.0
22
8
7
−6
−2
−2
MAX.
160
32
27
175
35
30
175
35
30
150
30
26
150
30
26
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
2003 Jun 25
13