74HC/HCT137 Philips Semiconductors (Acquired by NXP), 74HC/HCT137 Datasheet - Page 5

• Manufacturer Part Number: 74HC/HCT137
• Description: 3-to-8 Line Decoder/demultiplexer With Address Latches; Inverting
• Manufacturer: Philips Semiconductors (Acquired by NXP)

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; inverting
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
E
A
LE to Y
E
HIGH
A
A
2
n
1
f
n
n
to Y
= 6 ns; C
to Yn
to Y
to LE
to LE
n
n
n
L
= 50 pF
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
min. typ.
50
10
9
50
10
9
30
6
5
58
21
17
55
20
16
50
18
14
50
18
14
19
7
6
11
4
3
3
1
1
3
1
1
25
max.
180
36
31
190
38
32
145
29
25
145
29
25
75
15
13
T
5
amb
min. max.
65
13
11
65
13
11
40
8
7
74HC
40 to 85
( C)
225
45
38
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.
270
54
46
285
57
48
220
44
38
220
44
38
110
22
19
.
UNIT V
ns
ns
ns
ns
ns
ns
ns
ns
74HC/HCT137
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
(V)
Product specification
CC
WAVEFORMS
Fig.6
Fig.7
Fig.7
Fig.6
Fig.6
Fig.8
Fig.8
Fig.8