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參數(shù)資料
| 型號： | SN54LS290J |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal D-Type Flip-Flop with 3-State Outputs; Package: TSSOP 20 LEAD; No of Pins: 20; Container: Tape and Reel; Qty per Container: 2500 |
| 中文描述： | LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP DECADE COUNTER, CDIP14 |
| 封裝： | CERAMIC, DIP-14 |
| 文件頁數(shù)： | 4/5頁 |
| 文件大小： | 74K |
| 代理商： | SN54LS290J |
5-4
FAST AND LS TTL DATA
SN54/74LS290
SN54/74LS293
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
b l
Parameter
Limits
U i
Unit
Test Conditions
di i
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
,OH
or VIL per Truth Table
74
2.7
3.5
V
IH
VOL
Output LOW Voltage
54, 74
0.25
0.4
V
IOL = 4.0 mA
VCC = VCC MIN,
VIN= VILor VIH
VIN = VIL or VIH
per Truth Table
74
0.35
0.5
V
IOL = 8.0 mA
IIH
Input HIGH Current
20
μ
A
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)
Short Circuit Current (Note 1)
–0.4
–2.4
–3.2
–1.6
mA
VCC = MAX, VIN = 0.4 V
IOS
ICC
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
–20
–100
mA
VCC = MAX
VCC = MAX
Power Supply Current
15
mA
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SN74LS290N | DECADE COUNTER; 4-BIT BINARY COUNTER |
| SN74LS293D | DECADE COUNTER; 4-BIT BINARY COUNTER |
| SN74LS293N | DECADE COUNTER; 4-BIT BINARY COUNTER |
| SN74LS290D | DECADE COUNTER; 4-BIT BINARY COUNTER |
| SN74LS290N | DECADE COUNTER; 4-BIT BINARY COUNTER |
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