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SN74AS641NE4 PDF预览

SN74AS641NE4

更新时间: 2024-01-25 16:12:29
品牌 Logo 应用领域
德州仪器 - TI 总线驱动器总线收发器逻辑集成电路光电二极管输出元件
页数 文件大小 规格书
15页 497K
描述
OCTAL BUS TRANSCEIVERS WITH OPEN-COLLECTOR OUTPUTS

SN74AS641NE4 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Obsolete零件包装代码:DIP
包装说明:DIP, DIP20,.3针数:20
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.62Is Samacsys:N
其他特性:WITH DIRECTION CONTROL控制类型:COMMON CONTROL
计数方向:BIDIRECTIONAL系列:AS
JESD-30 代码:R-PDIP-T20JESD-609代码:e4
长度:25.4 mm负载电容(CL):50 pF
逻辑集成电路类型:BUS TRANSCEIVER位数:8
功能数量:1端口数量:2
端子数量:20最高工作温度:70 °C
最低工作温度:输出特性:OPEN-COLLECTOR
输出极性:TRUE封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP20,.3
封装形状:RECTANGULAR封装形式:IN-LINE
包装方法:TUBE峰值回流温度(摄氏度):NOT SPECIFIED
最大电源电流(ICC):136 mA传播延迟(tpd):7.5 ns
认证状态:Not Qualified座面最大高度:5.08 mm
子类别:Bus Driver/Transceivers最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4.5 V标称供电电压 (Vsup):5 V
表面贴装:NO技术:TTL
温度等级:COMMERCIAL端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
翻译:N/A宽度:7.62 mm
Base Number Matches:1

SN74AS641NE4 数据手册

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SN74ALS641A, SN74ALS642A, SN74AS641  
OCTAL BUS TRANSCEIVERS  
WITH OPEN-COLLECTOR OUTPUTS  
SDAS300 – MARCH 1995  
DW OR N PACKAGE  
(TOP VIEW)  
Bidirectional Bus Transceivers in  
High-Density 20-Pin Packages  
Choice of True or Inverting Logic  
Package Options Include Plastic  
Small-Outline (DW) Packages and  
Standard Plastic (N) 300-mil DIPs  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
DIR  
A1  
A2  
A3  
A4  
A5  
A6  
A7  
A8  
V
CC  
OE  
B1  
B2  
B3  
B4  
B5  
B6  
B7  
B8  
DEVICE  
LOGIC  
True  
SN74ALS641A, SN74AS641  
SN74ALS642A  
Inverting  
description  
GND  
These octal bus transceivers are designed for  
asynchronous two-way communication between  
data buses. These devices transmit data from the A bus to the B bus or from the B bus to the A bus, depending  
upon the level at the direction-control (DIR) input. The output-enable (OE) input disables the device so that the  
buses are effectively isolated.  
The -1 versions of the SN74ALS641A and SN74ALS642A are identical to the standard versions, except that  
the recommended maximum I is increased to 48 mA in the -1 versions.  
OL  
The SN74ALS641A, SN74ALS642A, and SN74AS641 are characterized for operation from 0°C to 70°C.  
FUNCTION TABLE  
INPUTS  
OPERATION  
SN74ALS641A  
OE  
DIR  
SN74ALS642A  
SN74AS641  
B data to A bus  
A data to B bus  
Isolation  
L
L
L
H
X
B data to A bus  
A data to B bus  
Isolation  
H
logic symbols  
SN74ALS641A, SN74AS641  
SN74ALS642A  
G3  
19  
19  
1
G3  
OE  
1
OE  
DIR  
3 EN1 [BA]  
3 EN2 [AB]  
DIR  
3 EN1 [BA]  
3 EN2 [AB]  
2
18  
2
18  
A1  
B1  
1
A1  
B1  
1
2
2
3
17  
16  
15  
14  
13  
12  
11  
3
4
5
6
7
8
9
17  
16  
15  
14  
13  
12  
11  
A2  
4
B2  
B3  
B4  
B5  
B6  
B7  
B8  
A2  
A3  
A4  
A5  
A6  
A7  
A8  
B2  
B3  
B4  
B5  
B6  
B7  
B8  
A3  
5
A4  
6
A5  
7
A6  
8
A7  
9
A8  
These symbols are in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.  
Copyright 1995, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

SN74AS641NE4 替代型号

型号 品牌 替代类型 描述 数据表
SN74AS641DW TI

完全替代

OCTAL BUS TRANSCEIVERS WITH OPEN-COLLECTOR OUTPUTS
SN74AS645N TI

类似代替

OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74AS641N TI

类似代替

OCTAL BUS TRANSCEIVERS WITH OPEN-COLLECTOR OUTPUTS

与SN74AS641NE4相关器件

型号 品牌 获取价格 描述 数据表
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SN74AS642FN TI

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SN74AS642FN3 TI

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SN74AS642FN3
SN74AS642N1 TI

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IC,BUS TRANSCEIVER,SINGLE,8-BIT,AS-TTL,DIP,20PIN,PLASTIC
SN74AS642N3 TI

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IC AS SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDIP20, Bus Driver/Transceiver
SN74AS642NP1 TI

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IC,BUS TRANSCEIVER,SINGLE,8-BIT,AS-TTL,DIP,20PIN,PLASTIC