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参数资料
| 型号： | 74LS32 |
| 厂商： | Fairchild Semiconductor Corporation |
| 英文描述： | Quad 2-Input OR Gate |
| 中文描述： | 四2输入或门 |
| 文件页数： | 2/5页 |
| 文件大小： | 59K |
| 代理商： | 74LS32 |
www.fairchildsemi.com
2
D
M
74LS32
Absolute Maximum Ratings(Note 1)
Note 1: The “Absolute Maximum Ratings” are those values beyond which
the safety of the device cannot be guaranteed. The device should not be
operated at these limits. The parametric values defined in the Electrical
Characteristics tables are not guaranteed at the absolute maximum ratings.
The “Recommended Operating Conditions” table will define the conditions
for actual device operation.
Recommended Operating Conditions
Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Note 2: All typicals are at VCC = 5V, TA = 25°C.
Note 3: Not more than one output should be shorted at a time, and the duration should not exceed one second.
Switching Characteristics
at VCC = 5V and TA = 25°C
Supply Voltage
7V
Input Voltage
7V
Operating Free Air Temperature Range
0
°C to +70°C
Storage Temperature Range
65°C to +150°C
Symbol
Parameter
Min
Nom
Max
Units
VCC
Supply Voltage
4.75
5
5.25
V
VIH
HIGH Level Input Voltage
2
V
VIL
LOW Level Input Voltage
0.8
V
IOH
HIGH Level Output Current
0.4
mA
IOL
LOW Level Output Current
8
mA
TA
Free Air Operating Temperature
0
70
°C
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 2)
VI
Input Clamp Voltage
VCC = Min, II = 18 mA
1.5
V
VOH
HIGH Level
VCC = Min, IOH = Max
2.7
3.4
V
Output Voltage
VIH = Min
VOL
LOW Level
VCC = Min, IOL = Max
0.35
0.5
Output Voltage
VIL = Max
V
IOL = 4 mA, VCC = Min
0.25
0.4
II
Input Current @ Max Input Voltage
VCC = Max, VI = 7V
0.1
mA
IIH
HIGH Level Input Current
VCC = Max, VI = 2.7V
20
A
IIL
LOW Level Input Current
VCC = Max, VI = 0.4V
0.36
mA
IOS
Short Circuit Output Current
VCC = Max (Note 3)
20
100
mA
ICCH
Supply Current with Outputs HIGH
VCC = Max
3.1
6.2
mA
ICCL
Supply Current with Outputs LOW
VCC = Max
4.9
9.8
mA
RL = 2 k
Symbol
Parameter
CL = 15 pF
CL = 50 pF
Units
Min
Max
Min
Max
tPLH
Propagation Delay Time
3
11
4
15
ns
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
3
11
4
15
ns
HIGH-to-LOW Level Output
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