SL74LS157N 查看數據表（PDF） - System Logic Semiconductor
零件编号
产品描述 (功能)
生产厂家
SL74LS157N Datasheet PDF : 3 Pages
| |||
SL74LS157
MAXIMUM RATINGS*
Symbol
Parameter
Value
Unit
VCC Supply Voltage
VIN
Input Voltage
VOUT Output Voltage
Tstg Storage Temperature Range
7.0
V
7.0
V
5.5
V
-65 to +150
°C
*Maximum Ratings are those values beyond which damage to the device may occur.
Functional operation should be restricted to the Recommended Operating Conditions.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
VCC
Supply Voltage
VIH
High Level Input Voltage
VIL
Low Level Input Voltage
IOH
High Level Output Current
IOL
Low Level Output Current
TA
Ambient Temperature Range
Min Max Unit
4.75 5.25
V
2.0
V
0.8
V
-0.4 mA
8.0
mA
0
+70
°C
DC ELECTRICAL CHARACTERISTICS over full operating conditions
Guaranteed Limit
Symbol
Parameter
Test Conditions
Min
Max Unit
VIK
Input Clamp Voltage
VCC = min, IIN = -18 mA
VOH High Level Output Voltage
VCC = min, IOH = -0.4 mA
2.7
VOL Low Level Output Voltage
VCC = min, IOL = 4 mA
VCC = min, IOL = 8 mA
IIH
High Level Input Current
VCC = max
for pins 1,15
VIN = 2.7 V
A or B input
VCC = max
for pins 1,15
VIN = 7.0 V
A or B input
IIL
Low Level Input Current
VCC = max
for pins 1,15
VIN = 0.4 V
A or B input
IO
Output Short Circuit Current
VCC = max, VO = 0 V
-20
(Note 1)
-1.5
V
V
0.4
V
0.5
40
µA
20
0.2
mA
0.1
-0.8 mA
-0.4
-100 mA
ICC
Supply Current
VCC = max (Note 2)
16
mA
Note 1: Not more than one output should be shorted at a time, and the duration should not exceed one second.
Note 2: ICC is measured with all outputs open, and 4.5 V applied to all inputs.
SLS
System Logic
Semiconductor
Share Link: 