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参数资料
| 型号： | SN74LS641M |
| 厂商： | ON SEMICONDUCTOR |
| 元件分类： | 总线收发器 |
| 英文描述： | LS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| 封装： | EIAJ, SOP-20 |
| 文件页数： | 3/8页 |
| 文件大小： | 228K |
| 代理商： | SN74LS641M |
SN74LS640, SN74LS641, SN74LS642, SN74LS645
http://onsemi.com
3
SN74LS640 SN74LS645
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
0.6
V
Guaranteed Input LOW Voltage for
All Inputs
VIK
Input Clamp Diode Voltage
0.65
1.5
V
VCC = MIN, IIN = 18 mA
VOH
Output HIGH Voltage
2.4
3.4
V
VCC = MIN, IOH = 3.0 mA
2.0
V
VCC = MIN, IOH = MAX
VOL
Output LOW Voltage
0.25
0.4
V
IOL = 12 mA
VCC = VCC MIN,
VIN = VIL or VIH
per Truth Table
0.35
0.5
V
IOL = 24 mA
IOZH
Output Off Current HIGH
20
μA
VCC = MAX, VOUT = 2.7 V
IOZL
Output Off Current LOW
400
μA
VCC = MAX, VOUT = 0.4 V
IIH
Input HIGH Current
A or B, DIR or G
20
μA
VCC = MAX, VIN = 2.7 V
DIR or G
0.1
mA
VCC = MAX, VIN = 7.0 V
A or B
0.1
mA
VCC = MAX, VIN = 5.5 V
IIL
Input LOW Current
0.4
mA
VCC = MAX, VIN = 0.4 V
IOS
Output Short Circuit Current (Note 1)
40
225
mA
VCC = MAX
ICC
Power Supply Current
Total Output HIGH
70
mA
VCC = MAX
Total, Output LOW
90
Total at HIGH Z
95
1. Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS (TA = 25°C, VCC = 5.0 V)
Symbol
Parameter
Limits
Unit
Test Conditions
LS640
LS645
Min
Typ
Max
Min
Typ
Max
tPLH
tPHL
Propagation Delay
A to B
6.0
8.0
10
15
8.0
11
15
ns
CL = 45 pF,
RL = 667 Ω
tPLH
tPHL
Propagation Delay
B to A
6.0
8.0
10
15
8.0
11
15
ns
tPZL
tPZH
Output Enable Time
G, DIR to A
31
23
40
31
26
40
ns
tPZL
tPZH
Output Enable Time
G, DIR to B
31
23
40
31
26
40
ns
tPLZ
tPHZ
Output Disable Time
G, DIR to A
15
25
15
25
ns
CL = 5.0 pF
tPLZ
tPHZ
Output Disable Time
G, DIR to B
15
25
15
25
ns
相关PDF资料 |
PDF描述 |
|---|---|
| SN74LS642MEL | LS SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDSO20 |
| SN74LS643-1FNR | LS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PQCC20 |
| SN74LS641FN | LS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PQCC20 |
| SN74LS643-1J | LS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CDIP20 |
| SN74LS645FNR | LS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PQCC20 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SN74LS641N | 功能描述:总线收发器 Octal bus Xcvr RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel |
| SN74LS641NE4 | 功能描述:总线收发器 Octal bus Xcvr RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel |
| SN74LS641NS | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
| SN74LS641NSR | 功能描述:总线收发器 Octal bus Xcvr RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel |
| SN74LS641NSRE4 | 功能描述:总线收发器 Octal bus Xcvr RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel |
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