参数资料
型号: SN74LS293DR2
厂商: ON SEMICONDUCTOR
元件分类: 计数器
英文描述: LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP BINARY COUNTER, PDSO14
封装: SOIC-14
文件页数: 4/7页
文件大小: 162K
代理商: SN74LS293DR2
SN74LS290
http://onsemi.com
4
LS293 MODE SELECTION
RESET INPUTS
OUTPUTS
MR1
MR2
Q0
Q1
Q2
Q3
H
L
H
Count
H
L
Count
L
Count
TRUTH TABLE
COUNT
OUTPUT
Q0
Q1
Q2
Q3
0
L
1
H
LL
L
2
L
HL
L
3
H
HL
L
4
L
LH
L
5
H
LH
L
6
L
HH
L
7
H
HH
L
8
L
LL
H
9
H
LL
H
10
L
HL
H
11
H
HL
H
12
L
LH
H
13
H
LH
H
14
L
HH
H
15
H
Note: Output Q0 connected to input CP1.
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min
Typ
Max
Unit
VCC
Supply Voltage
54
74
4.5
4.75
5.0
5.5
5.25
V
TA
Operating Ambient Temperature Range
54
74
55
0
25
125
70
°C
IOH
Output Current — High
54, 74
0.4
mA
IOL
Output Current — Low
54
74
4.0
8.0
mA
相关PDF资料
PDF描述
SN74LS293DR LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP BINARY COUNTER, PDSO14
SN74LS293NE4 LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP BINARY COUNTER, PDIP14
SN74LS290N LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP DECADE COUNTER, PDIP14
SN74LS295AJS LS SERIES, 4-BIT RIGHT PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, CDIP14
SN74LS298DR2 LS SERIES, NEGATIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, PDSO16
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