HD74LS145
Recommended Operating Conditions
Item
Supply voltage
Off-state output voltage
Low level output current
Operating temperature
Symbol
V
CC
V
O(off)
I
OL
Topr
Min
4.75
—
—
–20
Typ
5.00
—
—
25
Max
5.25
15
80
75
Unit
V
V
mA
°C
Electrical Characteristics
(Ta = –20 to +75 °C)
Item
Input voltage
Off-state output
current
On-state output
voltage
Symbol
V
IH
V
IL
I
O(off)
min.
2.0
—
—
—
—
—
—
—
—
—
—
typ.*
—
—
—
—
—
—
—
—
—
7
—
max.
—
0.8
250
0.4
0.5
3.0
20
–0.4
0.1
13
–1.5
Unit
V
V
µA
Condition
V
O(on)
I
IH
I
IL
I
I
V
µA
mA
mA
mA
V
Input current
V
CC
= 4.75 V, V
IH
= 2 V, V
IL
= 0.8 V,
V
O(off)
= 15 V
I
OL
= 12 mA
V
CC
= 4.75 V, V
IH
= 2 V,
I
OL
= 24 mA
V
IL
= 0.8 V
I
OL
= 80 mA
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
V
CC
= 4.75 V, I
IN
= –18 mA
Supply current**
I
CC
Input clamp voltage
V
IK
Notes: * V
CC
= 5 V, Ta = 25°C
** I
CC
is measured with all outputs open and all inputs grounded.
Switching Characteristics
(V
CC
= 5 V, Ta = 25°C)
Item
Propagation delay time
Symbol
t
PLH
t
PHL
min.
—
—
typ.
—
—
max.
50
50
Unit
ns
Condition
C
L
= 45 pF, R
L
= 665
Ω
Rev.3.00, Jul.13.2005, page 3 of 5
RENESAS [ RENESAS TECHNOLOGY CORP ]
