Datasheet

December 1990 6
Philips Semiconductors Product specification
8-stage shift-and-store bus register 74HC/HCT4094
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications” .
Output capability: standard
I
CC
category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF
SYMBOL PARAMETER
T
amb
(°C)
UNIT
TEST CONDITIONS
74HC
V
CC
(V)
WAVEFORMS
+25 −40 to +85 −40 to +125
min. typ. max. min. max. min. max.
t
PHL
/ t
PLH
propagation delay
CP to QS
1
50
18
14
150
30
26
190
38
33
225
45
38
ns 2.0
4.5
6.0
Fig.7
t
PHL
/ t
PLH
propagation delay
CP to QS
2
44
16
13
135
27
23
170
34
29
205
41
35
ns 2.0
4.5
6.0
Fig.7
t
PHL
/ t
PLH
propagation delay
CP to QP
n
63
23
18
195
39
33
245
49
42
295
59
50
ns 2.0
4.5
6.0
Fig.7
t
PHL
/ t
PLH
propagation delay
STR to QP
n
58
21
17
180
36
31
225
45
38
270
54
46
ns 2.0
4.5
6.0
Fig.8
t
PZH
/ t
PZL
3-state output enable time
OE to QP
n
55
20
16
175
35
30
220
44
37
265
53
45
ns 2.0
4.5
6.0
Fig.9
t
PHZ
/ t
PLZ
3-state output disable
time OE to QP
n
41
15
12
125
25
21
155
31
26
190
38
32
ns 2.0
4.5
6.0
Fig.9
t
THL
/ t
TLH
output transition time 19
7
6
75
15
13
95
19
16
110
22
19
ns 2.0
4.5
Fig.7
t
W
clock pulse width
HIGH or LOW
80
16
14
14
5
4
100
20
17
120
24
20
ns 2.0
4.5
6.0
Fig.7
t
W
strobe pulse width
HIGH
80
16
14
14
5
4
100
20
17
120
24
20
ns 2.0
4.5
6.0
Fig.8
t
su
set-up time
D to CP
50
10
9
14
5
4
65
13
11
75
15
13
ns 2.0
4.5
6.0
Fig.10
t
su
set-up time
CP to STR
100
20
17
28
10
8
125
25
21
150
30
26
ns 2.0
4.5
6.0
Fig.8