HD74LS259
Electrical Characteristics
(Ta = –20 to +75 °C)
Item
Input voltage
Symbol
V
IH
V
IL
V
OH
Output voltage
V
OL
I
IH
I
IL
I
I
min.
2.0
—
2.7
—
—
—
—
—
–20
—
—
typ.*
—
—
—
—
—
max.
—
0.8
—
0.4
0.5
20
–0.4
0.1
–100
36
–1.5
Unit
V
V
V
V
µA
mA
mA
mA
mA
V
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
V
CC
= 5.25 V
V
CC
= 4.75 V, I
IN
= –18 mA
Condition
Input current
Short-circuit output current
I
OS
—
Supply current**
I
CC
22
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
Symbol
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
Inputs
Clear
Data
Address
Enable
Output
Q
0
to Q
7
Q
0
to Q
7
Q
0
to Q
7
Q
0
to Q
7
min.
—
—
—
—
—
—
—
typ.
17
20
13
24
18
22
15
max.
27
32
21
38
29
35
24
Unit
ns
ns
ns
ns
C
L
= 15 pF,
R
L
= 2 kΩ
Condition
Propagation delay time
Rev.2.00, Feb.18.2005, page 4 of 7
RENESAS [ RENESAS TECHNOLOGY CORP ]
