HD74LS283 Datasheet, PDF (4/8 Pages) Hitachi Semiconductor – 4-bit Binary Full Adders

HD74LS283
Electrical Characteristics
Item
Input voltage
Output voltage
except C₀
C₀
Input
except C₀
current
C₀
except C₀
C₀
Short-circuit output current
Symbol
V_IH
V_IL
V_OH
V_OL
I_IH
I_IL
I_I
I_OS
Supply current
I_CC
Input clamp voltage
V_IK
Note: * V_CC = 5 V, Ta = 25°C
min.
2.0
—
2.7
—
—
—
—
—
—
—
—
–20
—
—
—
—
typ.*
—
—
—
—
—
—
—
—
—
—
—
—
22
19
19
—
max.
—
0.8
—
0.4
0.5
40
20
–0.8
–0.4
0.2
0.1
–100
39
34
34
–1.5
Unit
V
V
V
V
µA
(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
mA V_CC = 5.25 V, V_I = 0.4 V
mA V_CC = 5.25 V, V_I = 7 V
mA V_CC = 5.25 V
All inputs grounded
All B low
mA _{other inputs at 4.5V} V_CC = 5.25 V
All inputs at 4.5V
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
t_PHL
C₀
Σi
—
16
24
ns
—
15
24
ns
t_PLH
Ai, Bi
Σi
Propagation delay
t_PHL
time
t_PLH
t_PHL
C₀
C₄
—
15
24
ns
—
15
24
ns
C_L = 15 pF,
—
11
17
ns
R_L = 2 kΩ
—
11
22
ns
t_PLH
Ai, Bi
t_PHL
C₄
—
11
17
ns
—
12
17
ns
Rev.3.00, Jul.15.2005, page 4 of 7