SN74LS280M 데이터 시트보기 (PDF) - ON Semiconductor
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SN74LS280M Datasheet PDF : 4 Pages
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A (8)
B (9)
C (10)
D (11)
E (12)
F (13)
G (1)
H (2)
I (4)
SN74LS280
FUNCTIONAL BLOCK DIAGRAM
(5) ∑
EVEN
(6) ∑
ODD
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits
Symbol
Parameter
Min Typ Max Unit
Test Conditions
VIH
Input HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage for
All Inputs
VIL
Input LOW Voltage
0.8
V
Guaranteed Input LOW Voltage for
All Inputs
VIK
Input Clamp Diode Voltage
– 0.65 – 1.5
V
VCC = MIN, IIN = – 18 mA
VOH
Output HIGH Voltage
2.7
3.5
V
VCC = MIN, IOH = MAX, VIN = VIH
or VIL per Truth Table
VOL
Output LOW Voltage
0.25 0.4
0.35 0.5
V
IOL = 4.0 mA
V
IOL = 8.0 mA
VCC = VCC MIN,
VIN = VIL or VIH
per Truth Table
IIH
Input HIGH Current
20
µA VCC = MAX, VIN = 2.7 V
0.1
mA VCC = MAX, VIN = 7.0 V
IIL
Input LOW Current
– 0.4 mA VCC = MAX, VIN = 0.4 V
IOS
Short Circuit Current (Note 1)
– 20
– 100 mA VCC = MAX
ICC
Power Supply Current
27
mA VCC = MAX
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS (TA = 25°C, VCC = 5.0 V)
Limits
Symbol
Parameter
Min Typ Max Unit
tPLH
Propagation Delay, Data to Output
tPHL
ΣEVEN
33
29
50
45
ns
tPLH
Propagation Delay, Data to Output
tPHL
ΣODD
23
31
35
50
ns
Test Conditions
CL = 15 pF
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