HD74LS148
Recommended Operating Conditions
Item
Supply voltage
Output current
Operating temperature
Symbol
V
CC
I
OH
I
OL
Topr
Min
4.75
—
—
–20
Typ
5.00
—
—
25
Max
5.25
–400
8
75
Unit
V
µA
mA
°C
Electrical Characteristics
(Ta = –20 to +75 °C)
Item
Input voltage
Symbol
V
IH
V
IL
V
OH
Output voltage
V
OL
1 to 7 Inputs
Other inputs
1 to 7 Inputs
Other inputs
1 to 7 Inputs
Other inputs
I
IH
I
IL
I
I
I
OS
I
CC
min.
2.0
—
2.7
—
—
—
—
—
—
—
—
–20
—
—
—
typ.*
—
—
—
—
—
—
—
—
—
—
—
—
12
10
—
max.
—
0.8
—
0.4
0.5
40
20
–0.8
–0.4
0.2
0.1
–100
20
17
–1.5
Unit
V
V
V
V
µA
mA
mA
mA
mA
mA
V
Condition
V
CC
= 4.75 V, V
IH
= 2 V, V
IL
= 0.8 V,
I
OH
= –400
µA
I
OL
= 4 mA V
CC
= 4.75 V, V
IH
= 2 V,
I
OL
= 8 mA V
IL
= 0.8 V
V
CC
= 5.25 V, V
I
= 2.7 V
V
CC
= 5.25 V, V
I
= 0.4 V
V
CC
= 5.25 V, V
I
= 7 V
V
CC
= 5.25 V
Condition 1
V
CC
= 5.25 V
Condition 2
V
CC
= 4.75 V, I
IN
= –18 mA
Input
current
Short-circuit output
current
Supply current**
Input clamp voltage
V
IK
Notes: * V
CC
= 5 V, Ta = 25°C
** The condition 1 is measured with inputs 7 and EI grounded, other inputs and outputs open, the condition 2 is
measured with all inputs and outputs open.
Switching Characteristics
(V
CC
= 5 V, Ta = 25°C)
Item
Symbol
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
min.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
typ.
14
15
20
16
7
25
35
9
16
12
12
14
12
23
max.
18
25
36
29
18
40
55
21
25
25
17
36
21
35
Unit
ns
ns
ns
ns
ns
ns
ns
Inputs
0 to 7
0 to 7
0 to 7
0 to 7
EI
EI
EI
Outputs
A
0
, A
1
or A
2
A
0
, A
1
or A
2
EO
GS
A
0
, A
1
or A
2
GS
EO
Output
Waveforms
In-phase
Output
Out-of-phase
Output
Out-of-phase
Output
In-phase
Output
In-phase
Output
In-phase
Output
In-phase
Output
C
L
= 15 pF,
R
L
= 2 kΩ
Condition
Propagation
delay time
Rev.2.00, Feb.18.2005, page 3 of 5
RENESAS [ RENESAS TECHNOLOGY CORP ]
