74HC/HCT151 Philips Semiconductors (Acquired by NXP), 74HC/HCT151 Datasheet - Page 6

• Manufacturer Part Number: 74HC/HCT151
• Description: 8-input Multiplexer
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see
Output capability: standard
I
Note to HCT types
The value of additional quiescent supply current ( I
To determine I
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
December 1990
CC
INPUT
I
S
E
SYMBOL PARAMETER
t
t
t
t
t
t
t
n
PHL
PHL
PHL
PHL
PHL
PHL
THL
n
8-input multiplexer
category: MSI
/ t
/ t
/ t
/ t
/ t
/ t
/ t
TLH
PLH
PLH
PLH
PLH
PLH
PLH
propagation delay
propagation delay
propagation delay
propagation delay
propagation delay
propagation delay
output transition time
r
I
I
S
S
E to Y
E to Y
= t
n
n
n
n
to Y
to Y
CC
to Y
to Y
f
= 6 ns; C
UNIT LOAD COEFFICIENT
0.45
1.50
0.30
per input, multiply this value by the unit load coefficient shown in the table below.
L
= 50 pF
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
min.
typ.
22
22
23
25
16
21
7
25
max. min.
CC
38
38
41
43
29
36
15
) for a unit load of 1 is given in the family specifications.
T
74HCT
amb
6
40 to 85
( C)
max.
48
48
51
54
36
45
19
min.
40 to 125
max.
57
57
62
65
44
54
22
.
ns
ns
ns
ns
ns
ns
ns
UNIT
74HC/HCT151
V
(V)
4.5
4.5
4.5
4.5
4.5
4.5
4.5
TEST CONDITIONS
CC
Product specification
Fig.6
Fig.6
Fig.7
Fig.7
Fig.7
Fig.7
Figs 6 and 7
WAVEFORMS