Philips Semiconductors
Product specification
4-bit parallel access shift register
74HC/HCT195
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard
ICC category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
Tamb (°C)
TEST CONDITIONS
74HC
SYMBOL PARAMETER
UNIT
WAVEFORMS
VCC
(V)
+25
−40 to +85 −40 to +125
min. typ. max. min. max. min. max.
t
PHL/ tPLH propagation delay
CP to Qn
50
18
14
150
30
26
190
38
33
225
45
38
ns
ns
ns
ns
ns
ns
ns
ns
ns
2.0 Fig.6
4.5
6.0
tPHL
propagation delay
MR to Qn
41
15
12
150
30
26
190
38
33
225
45
38
2.0 Fig.8
4.5
6.0
t
THL/ tTLH output transition time
19
7
6
75
15
13
95
19
16
110
22
19
2.0 Fig.6
4.5
6.0
tW
tW
trem
tsu
tsu
th
clock pulse width
HIGH or LOW
80
16
14
17
6
5
100
20
17
120
24
20
2.0 Fig.6
4.5
6.0
master reset pulse width
LOW
80
16
14
11
4
3
100
20
17
120
24
20
2.0 Fig.8
4.5
6.0
removal time
MR to CP
80
16
14
17
6
5
100
20
17
120
24
20
2.0 Fig.8
4.5
6.0
set-up time
J to CP
100 33
125
25
21
150
30
26
2.0 Figs 8 and 9
4.5
6.0
20
17
12
10
set-up time
K, PE, Dn to CP
80
16
14
25
9
7
100
20
17
120
24
20
2.0 Figs 8 and 9
4.5
6.0
hold time
J, K, PE, Dn to CP
3
3
3
−8
−3
−2
3
3
3
3
3
3
2.0 Figs 8 and 9
4.5
6.0
fmax
maximum clock pulse
frequency
6
30
35
17
52
62
5
24
28
4
20
24
MHz 2.0 Fig.6
4.5
6.0
December 1990
6
NXP [ NXP ]
