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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： | 1/13页 |
| 文件大小： | 487K |
| 代理商： | SN74LS243DR |
1
FEATURES
GAB
NC
A1
A2
A3
A4
GND
1
2
3
4
5
6
7
V
CC
GBA
NC
B1
B2
B3
B4
14
13
12
11
10
9
8
DESCRIPTION
TYPICAL OF ALL OUTPUTS
V
CC
17 k
50
NOM
GND
V
CC
EQUIVALENT OF EACH INPUT
INPUT
OUTPUT
www.ti.com ............................................................................................................................................................. SDLS145A – APRIL 1985 – REVISED JULY 2008
QUADRUPLE BUS TRANSCEIVERS
FUNCTION TABLE
Two-Way Asynchronous Communication
(EACH TRANSCEIVER)
Between Data Buses
INPUTS
PNP Inputs Reduce D-C Loading
SNxxLS243
GAB
GBA
Hysteresis (Typically 400 mV) at Inputs
L
A to B
Improves Noise Margin
H
B to A
SN54LS243 . . . J OR W PACKAGE
H
L
Isolation
SN74LS243 . . . D, N, OR NS PACKAGE
L
H
Latch A and B
(TOP VIEW)
(A = B)
These four-data-line transceivers are designed for asynchronous two-way communications between data buses.
SN74LS243 can be used to drive terminated lines down to 133
.
SN54LS243 is characterized for operation over the full military temperature range of –55°C to 125°C.
SN74LS243 is characterized for operation from 0°C to 70°C.
SCHEMATICS OF INPUTS AND OUTPUTS
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright 1985–2008, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相关代理商/技术参数 |
参数描述 |
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| SN74LS243DRE4 | 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 |
| SN74LS243DRG4 | 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 |
| SN74LS243J | 制造商:Motorola Inc 功能描述: |
| SN74LS243N | 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 |
| 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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