74HC238 Philips, 74HC238 Datasheet - Page 5
74HC238
Manufacturer Part Number
74HC238
Description
3-to-8 line decoder/demultiplexer
Manufacturer
Philips
Datasheet
1.74HC238.pdf
(7 pages)
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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
PHL
PHL
PHL
THL
3-to-8 line decoder/demultiplexer
category: MSI
/ t
/ t
/ t
/ t
TLH
PLH
PLH
PLH
propagation delay
propagation delay
propagation delay
output transition time
r
= t
A
E
E
n
3
n
f
to Y
to Y
to Y
= 6 ns; C
n
n
n
L
= 50 pF
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
min. typ.
47
17
14
52
19
15
50
18
14
19
7
6
25
max.
150
30
26
160
32
27
155
31
26
75
15
13
T
5
amb
min. max.
74HC
40 to 85
( C)
190
38
33
200
40
34
195
39
33
95
19
16
min.
40 to 125
max.
225
45
38
240
48
41
235
47
40
110
22
19
.
ns
ns
ns
ns
UNIT
74HC/HCT238
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
TEST CONDITIONS
Product specification
(V)
CC
WAVEFORMS
Fig.6
Fig.6
Fig.7
Figs 6 and 7