HD74LS48
Electrical Characteristics
(Ta = –20 to +75 °C)
Item
Input voltage
a to g
BI / RBO
Output voltage
a to g
V
OL
BI / RBO
Output current**
a to g
except BI
/ RBO
Input current
BI / RBO
except BI
/ RBO
I
O
I
IH
I
IL
I
I
I
OS
I
CC
Symbol
V
IH
V
IL
V
OH
min.
2.0
—
2.4
2.4
—
—
—
—
–1.3
—
—
—
—
–0.3
—
typ.*
—
—
—
—
—
—
—
—
—
—
—
—
—
—
25
max.
—
0.8
—
—
0.4
0.5
0.4
0.5
—
20
–0.4
–1.2
0.1
–2
38
Unit
V
V
V
V
V
V
mA
µA
mA
mA
mA
mA
mA
V
Condition
I
OH
= –100
µA
I
OH
= –50
µA
I
OL
= 2 mA
I
OL
= 6 mA
I
OL
= 1.6 mA
V
CC
= 4.75 V,
V
IH
= 2 V, V
IL
= 0.8 V
V
CC
= 4.75 V,
V
IH
= 2 V, V
IL
= 0.8 V
I
OL
= 3.2 mA
V
CC
= 4.75 V, V
O
= 0.85 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
= 0.4 V
V
CC
= 5.25 V, V
I
= 7 V
V
CC
= 5.25 V
V
CC
= 5.25 V
V
CC
= 4.75 V, I
IN
= –18 mA
Short-circuit
BI / RBO
output current
Supply current***
Input clamp voltage
V
IK
—
—
–1.5
Notes: * V
CC
= 5 V, Ta = 25
°
C
** Input condition as for V
OH
*** I
CC
is measured with all outputs open and inputs at 4.5 V.
Switching Characteristics
(V
CC
= 5 V, Ta = 25°C)
Item
Turn-on time
Turn-off time
Symbol
t
PHL
t
PLH
t
PHL
t
PLH
Input
A
RBI
min.
—
—
—
—
typ.
—
—
—
—
max.
100
100
100
100
Unit
ns
ns
Condition
C
L
= 15 pF, R
L
= 4 kΩ
C
L
= 15 pF, R
L
= 6 kΩ
Rev.3.00, Jul.22.2005, page 4 of 6
RENESAS [ RENESAS TECHNOLOGY CORP ]
