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參數(shù)資料
| 型號： | SN54LS283 |
| 廠商： | Motorola, Inc. |
| 英文描述： | Quad 2-Input OR Gate; Package: SOEIAJ-14; No of Pins: 14; Container: Tape and Reel; Qty per Container: 2000 |
| 中文描述： | 4位二進(jìn)制全加器與快速進(jìn) |
| 文件頁數(shù)： | 3/4頁 |
| 文件大?。?/td> | 97K |
| 代理商： | SN54LS283 |
5-3
FAST AND LS TTL DATA
SN54/74LS283
FUNCTIONAL TRUTH TABLE
C (n–1)
An
L
L
H
H
L
L
H
H
Bn
L
H
L
H
L
H
L
H
∑
n
L
H
H
L
H
L
L
H
Cn
L
L
L
H
L
H
H
H
L
L
L
L
H
H
H
H
C1–C3 are generated internally
C0 is an external input
C4 is an output generated internally
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min
Typ
Max
Unit
VCC
Supply Voltage
54
74
4.5
4.75
5.0
5.0
5.5
5.25
V
TA
Operating Ambient Temperature Range
54
74
–55
0
25
25
125
70
°
C
IOH
IOL
Output Current — High
54, 74
–0.4
mA
Output Current — Low
54
74
4.0
8.0
mA
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE
(unless otherwise specified)
Symbol
Parameter
Limits
Unit
Test Conditions
Min
Typ
Max
VIH
Input HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage for
All Inputs
VIL
Input LOW Voltage
54
0.7
V
Guaranteed Input LOW Voltage for
All Inputs
74
0.8
VIK
Input Clamp Diode Voltage
–0.65
–1.5
V
VCC = MIN, IIN = –18 mA
VOH
Output HIGH Voltage
54
2.5
3.5
V
or VIL per Truth Table
74
2.7
3.5
V
VCC = MIN, IOH = MAX, VIN = VIH
VOL
Output LOW Voltage
54, 74
0.25
0.4
V
IOL = 4.0 mA
VCC = VCC MIN,
per Truth Table
74
0.35
0.5
V
IOL = 8.0 mA
VIN = VIL or VIH
IIH
Input HIGH Current
C0
Any A or B
20
μ
A
VCC = MAX, VIN = 2.7 V
40
μ
A
C0
Any A or B
0.1
mA
VCC = MAX, VIN = 7.0 V
0.2
mA
IIL
Input LOW Current
C0
Any A or B
–0.4
mA
VCC = MAX, VIN = 0.4 V
–0.8
mA
IOS
Short Circuit Current (Note 1)
–20
–100
mA
VCC = MAX
ICC
Power Supply Current
Total, Output HIGH
34
mA
VCC = MAX
Total, Output LOW
39
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
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