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参数资料
| 型号： | SN54LS293J |
| 厂商： | ON SEMICONDUCTOR |
| 元件分类： | 计数器 |
| 英文描述： | Octal D-Type Flip-Flop with 3-State Outputs; Package: 20 LEAD PDIP; No of Pins: 20; Container: Rail; Qty per Container: 18 |
| 中文描述： | LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP BINARY COUNTER, CDIP14 |
| 封装： | CERAMIC, DIP-14 |
| 文件页数： | 5/7页 |
| 文件大小： | 162K |
| 代理商： | SN54LS293J |
SN74LS290
http://onsemi.com
5
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
VCC = MIN, IOH = MAX, VIN = VIH
or VIL per Truth Table
74
2.7
3.5
V
VOL
Output LOW Voltage
54, 74
0.25
0.4
V
IOL = 4.0 mA
VCC = VCC MIN,
VIN = VIL or VIH
per Truth Table
74
0.35
0.5
V
IOL = 8.0 mA
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
MS, MR
CP0
CP1 (LS290)
CP1 (LS293)
0.4
2.4
3.2
1.6
mA
VCC = MAX, VIN = 0.4 V
IOS
Short Circuit Current (Note 1)
20
100
mA
VCC = MAX
ICC
Power Supply Current
15
mA
VCC = MAX
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
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