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參數(shù)資料
| 型號： | SN54-74LS540 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS |
| 中文描述： | 八路緩沖器/線路驅(qū)動器，具有三態(tài)輸出 |
| 文件頁數(shù)： | 2/2頁 |
| 文件大?。?/td> | 35K |
| 代理商： | SN54-74LS540 |
5-2
FAST AND LS TTL DATA
SN54/74LS02
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,
,OH
or VIL per Truth Table
74
2.7
3.5
V
IN
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
VCC = MAX, VIN = 7.0 V
VCC = MAX, VIN = 0.4 V
VCC = MAX
0.1
mA
IIL
IOS
Input LOW Current
–0.4
mA
Short Circuit Current (Note 1)
–20
–100
mA
ICC
Power Supply Current
Total, Output HIGH
3.2
mA
VCC = MAX
VCC MAX
Total, Output LOW
5.4
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS
(TA = 25
°
C)
Symbol
b l
Parameter
Limits
U i
Unit
Test Conditions
di i
Min
Typ
Max
tPLH
tPHL
Turn-Off Delay, Input to Output
10
15
ns
VCC = 5.0 V
CL = 15 pF
Turn-On Delay, Input to Output
10
15
ns
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SN54-74LS669 | SYNCHRONOUS 4-BIT UP/DOWN COUNTER |
| SN54-74LS90 | DECADE COUNTER; DIVIDE-BY-TWELVE COUNTER; 4-BIT BINARY COUNTER |
| SN74LS02N | QUAD 2-INPUT NOR GATE |
| SN54LS07 | Quad 2-Input NOR Gate; Package: TSSOP-14; No of Pins: 14; Container: Tape and Reel; Qty per Container: 2500 |
| SN54LS07FK | Quad 2-Input NOR Gate; Package: TSSOP-14; No of Pins: 14; Container: Tape and Reel; Qty per Container: 2500 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN54-74LS669 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:SYNCHRONOUS 4-BIT UP/DOWN COUNTER |
| SN54-74LS90 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:DECADE COUNTER; DIVIDE-BY-TWELVE COUNTER; 4-BIT BINARY COUNTER |
| SN5474W | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN5474WA | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN5475 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:4-BIT BISTABLE LATCHES |
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