HD74LS151 Datasheet, PDF (3/6 Pages) Hitachi Semiconductor – 1-of-8 Data Selectors/Multiplexers(with strobe)

HD74LS151
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
Item
Input voltage
Symbol
V_IH
V_IL
min.
2.0
—
typ.*
—
—
max.
—
0.8
Unit
V
V
Output voltage
V_OH
2.7
—
—
V
—
—
0.4
V_OL
V
—
—
0.5
Input current
I_IH
—
—
20
µA
I_IL
—
—
–0.4
mA
I_I
—
—
0.1
mA
Short-circuit output
current
I_OS
–20
—
–100
mA
Supply current**
I_CC
—
6.0
10.0
mA
Input clamp voltage
V_IK
—
—
–1.5
V
Note: * V_CC = 5 V, Ta = 25°C
** I_CC is measured with all outputs open and all inputs at 4.5 V.
(Ta = –20 to +75 °C)
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 ^VIL ^{= 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
Switching Characteristics
(V_CC = 5 V, Ta = 25°C)
Item
Symbol Inputs Outputs min.
typ.
max.
Unit Condition
t_PLH
A, B, C
Y
t_PHL
(4 Level)
—
27
43
—
18
30
t_PLH
A, B, C
W
t_PHL
(3 Level)
—
14
23
—
20
32
t_PLH
Strobe
Y
Propagation delay time
t_PHL
t_PLH
Strobe
W
t_PHL
—
26
42
—
—
20
15
32
24
ns
C_L = 15 pF,
R_L = 2 kΩ
—
18
30
t_PLH
D
t_PHL
—
20
32
Y
—
16
26
t_PLH
D
t_PHL
—
13
21
W
—
12
20
Rev.3.00, May 10, 2006, page 3 of 5