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参数资料
| 型号： | SN74LS243DR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | LS SERIES, QUAD 4-BIT TRANSCEIVER, TRUE OUTPUT, PDSO14 |
| 封装： | GREEN, PLASTIC, MS-012AB, SOIC-14 |
| 文件页数： | 7/13页 |
| 文件大小： | 487K |
| 代理商： | SN74LS243DR |
ABSOLUTE MAXIMUM RATINGS
(1)
RECOMMENDED OPERATING CONDITIONS
www.ti.com ............................................................................................................................................................. SDLS145A – APRIL 1985 – REVISED JULY 2008
MIN
MAX
UNIT
VCC
Supply voltage(2)
7
V
VIN
Input voltage
7
V
OFF-state output voltage
5.5
V
SN54LS243
–55
125
TA
Operating free-air temperature range
°C
SN74LS243
0
70
Tstg
Storage temperature range
–65
150
°C
(1)
Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating
Conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2)
Voltage values are with respect to network ground terminal.
over operating free-air temperature range (unless otherwise noted)
SN54LS243
SN74LS243
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
VCC
Supply voltage(1)
4.5
5
5.5
4.75
5
5.25
V
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.7
0.8
V
IOH
High-level output voltage
–12
–15
mA
IOL
Low-level output voltage
12
24
mA
TA
Operating free-air temperature
–55
125
0
70
°C
(1)
Voltage values are with respect to network ground terminal.
Copyright 1985–2008, Texas Instruments Incorporated
3
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| SN74LS243NE4 | 功能描述:总线收发器 Quad bus transceiver 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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