74HC594 Philips, 74HC594 Datasheet - Page 8

• Manufacturer Part Number: 74HC594
• Description: 8-bit shift register with output register
• Manufacturer: Philips

Philips Semiconductors
DC CHARACTERISTICS FOR
74HCT
For the DC characteristics, see
“74HC/HCT/HCU/HCMOS Logic
Family Specifications”
Output capability: parallel outputs,
bus driver; serial output, standard.
I
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
December 1991
CC
SYMBOL
t
t
t
t
t
t
f
PHL
PHL
W
su
h
rem
max
8-bit shift register with output register
category: MSI.
/t
PLH
propagation delay
SH
propagation delay
ST
propagation delay
SH
propagation delay
ST
shift clock pulse width
HIGH or LOW
storage clock pulse
width HIGH or LOW
shift and storage reset
pulse width HIGH or
LOW
set-up time D
set-up time
SH
set-up time
SH
hold time D
removal time
SH
ST
maximum clock
frequency
SH
r
= t
CP
R
R
CP
R
R
CP
R
CP
f
to Q
to ST
PARAMETER
to Q
to ST
to SH
= 6 ns; C
to Q
to Q
to ST
or ST
n
7
.
n
’
CP
7
CP
CP
’
s
CP
CP
to SH
,
s
L
to SH
= 50 pF.
CP
CP
16
16
16
20
20
20
5
10
30
min. typ. max. min. max. min. max.
Note to HCT types
The value of additional quiescent
supply current ( I
1 is given in the family specifications.
To determine I
this value by the unit load coefficient
shown in the following table.
18
18
17
17
4
4
6
4
6
7
92
+25
3
5
32
32
30
30
CC
T
CC
amb
20
20
20
25
25
25
6
13
24
8
per input, multiply
) for a unit load of
40 to +85
( C)
40
40
38
38
24
24
24
30
30
30
7
15
20
40 to +125
48
48
45
45
D
SH
SH
ST
ST
s
INPUT
CP
R
R
CP
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
UNIT
74HC/HCT594
V
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
(V)
0.25
1.50
1.50
1.50
1.50
TEST CONDITIONS
CC
Product specification
COEFFICIENT
Fig.7
Fig.8
Fig.11
Fig.12
Fig.7
Fig.8
Fig.11 and Fig.12
Fig.9
Fig.10
Fig.8
Fig.9
Fig.11 and Fig.12
Fig.7 and Fig.8
UNIT LOAD
WAVEFORMS