74HC237 Philips, 74HC237 Datasheet - Page 6

• Manufacturer Part Number: 74HC237
• Description: 3-to-8 line decoder/demultiplexer with address latches
• Manufacturer: Philips

Philips Semiconductors
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see
Output capability: standard
I
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t
December 1990
CC
SYMBOL PARAMETER
t
t
t
t
t
t
t
t
PHL
PHL
PHL
PHL
THL
W
su
h
3-to-8 line decoder/demultiplexer with
address latches
category: MSI
/ t
/ t
/ t
/ t
/ t
TLH
PLH
PLH
PLH
PLH
propagation delay
propagation delay
propagation delay
propagation delay
output transition time
LE pulse width
set-up time
hold time
r
= t
A
LE to Y
E
E
LOW
A
A
n
f
1
2
n
n
= 6 ns; C
to Y
to Y
to Y
to LE
to LE
n
n
n
n
L
= 50 pF
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
min. typ.
50
10
9
50
10
9
30
6
5
52
19
15
61
22
18
47
17
14
47
17
14
19
7
6
11
4
3
6
2
2
3
1
1
25
max.
160
32
27
190
38
32
145
29
25
145
29
25
75
15
13
T
6
amb
min. max.
65
13
11
65
13
11
40
8
7
74HC
40 to 85
( C)
200
40
34
240
48
41
180
36
31
180
36
31
95
19
16
min.
75
15
13
75
15
13
45
9
8
40 to 125
max.
240
48
41
285
57
48
220
44
38
220
44
38
110
22
19
.
ns
ns
ns
ns
ns
ns
ns
ns
UNIT
74HC/HCT237
V
(V)
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
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
TEST CONDITIONS
Product specification
CC
WAVEFORMS
Fig.6
Fig.7
Fig.7
Fig.6
Fig.6
Fig.8
Fig.8
Fig.8