74148 View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
Manufacturer
74148 Datasheet PDF : 7 Pages
| |||
AC Electrical Characteristics
Symbol
tPHL, tPLH
Parameter
Maximum Propagation Delay,
Any Input to Any Output
Conditions
Typ
Guaranteed Limits
14
AC Electrical Characteristics
VCC = 2.0V to 6.0V, CL = 50 pF, tr = tf = 6 ns (unless otherwise specified)
Symbol
Parameter
VCC
TA = 25°C
Typ
−40°C to +85°C
−55°C to +125°C
Guaranteed Limits
tPHL, tPLH
Inputs 0–7
to Outputs
2.0V
140
175
210
4.5V
14
28
35
42
A0, A1, A2
6.0V
24
30
36
tPHL, tPLH
Inputs 0–7
to
2.0V
140
175
210
4.5V
15
28
35
42
Output EO
6.0V
24
30
36
tPHL, tPLH
Inputs 0–7
to
2.0V
160
200
240
4.5V
17
32
40
48
Output GS
6.0V
27
34
41
tPHL, tPLH
Input EI
to Outputs
2.0V
160
200
240
4.5V
17
32
40
48
A0, A1, A2
6.0V
27
34
41
tPHL, tPLH
Input EI
to
2.0V
100
125
150
4.5V
12
20
25
30
Output GS
6.0V
17
21
26
tPHL, tPLH
Input EI
to
2.0V
100
125
150
4.5V
12
20
25
30
Output EO
6.0V
17
21
26
tf, tr
Maximum
Output Rise
2.0V
75
95
110
4.5V
7
15
19
22
and Fall Time
6.0V
13
16
19
Cpd
Power Dissipation
52
Capacitance (Note 6)
Cin
Maximum Input
Capacitance
5
10
10
10
Note 6: Cpd determines the no load dynamic power consumption, and the no load dynamic current consumption.
Units
ns
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
pF
5
www.fairchildsemi.com
Share Link: 