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SN74FB2040RC PDF预览

SN74FB2040RC

更新时间： 2024-11-08 22:37:03
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
7页 101K
描述
8-BIT TTL/BTL TRANSCEIVER

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SN74FB2040RC 数据手册

 浏览型号SN74FB2040RC的Datasheet PDF文件第2页浏览型号SN74FB2040RC的Datasheet PDF文件第3页浏览型号SN74FB2040RC的Datasheet PDF文件第4页浏览型号SN74FB2040RC的Datasheet PDF文件第5页浏览型号SN74FB2040RC的Datasheet PDF文件第6页浏览型号SN74FB2040RC的Datasheet PDF文件第7页 
SN74FB2040  
8-BIT TTL/BTL TRANSCEIVER  
SCBS173I – NOVEMBER 1991 – REVISED SEPTEMBER 1999  
Compatible With IEEE Std 1194.1-1991  
(BTL)  
High-Impedance State During Power Up  
and Power Down  
TTL A Port, Backplane Transceiver Logic  
(BTL) B Port  
BIAS V  
Pin Minimizes Signal Distortion  
CC  
During Live Insertion or Withdrawal  
Open-Collector B-Port Outputs Sink  
100 mA  
B-Port Biasing Network Preconditions the  
Connector and PC Trace to the BTL  
High-Level Voltage  
Isolated Logic-Ground and Bus-Ground  
Pins Reduce Noise  
Packaged in Plastic Quad Flatpack  
RC PACKAGE  
(TOP VIEW)  
52 51 50 49 48 47 46 45 44 43 42 41 40  
1
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
GND  
AI2  
AI3  
AO3  
GND  
AO4  
GND  
AI4  
GND  
B2  
2
3
GND  
B3  
GND  
B4  
GND  
B5  
GND  
B6  
4
5
6
7
8
9
AI5  
10  
11  
12  
13  
AO5  
GND  
AO6  
GND  
GND  
B7  
GND  
14 15 16 17 18 19 20 21 22 23 24 25 26  
description  
The SN74FB2040 device is an 8-bit transceiver designed to translate signals between TTL and backplane  
transceiver logic (BTL) environments.  
The B port operates at BTL-signal levels. The open-collector B ports are specified to sink 100 mA. Two output  
enables (OEB and OEB) are provided for the B outputs. When OEB is high and OEB is low, the B port is active  
and reflects the inverse of the data present at the A-input pins. When OEB is low, OEB is high, or V  
than 2.1 V, the B port is turned off.  
is less  
CC  
The A port operates at TTL-signal levels and has separate input and output pins. The A outputs reflect the  
inverse of the data at the B port when the A-port output enable (OEA) is high. When OEA is low or when V  
is less than 2.1 V, the A outputs are in the high-impedance state.  
CC  
Pins are allocated for the four-wire IEEE Std 1149.1 (JTAG) test bus. TMS and TCK are not connected and TDI  
is shorted to TDO.  
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.  
Copyright 1999, 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  
1234567

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SN74FB2040RC 替代型号

型号 品牌 替代类型 描述 数据表
SN74FB2040RCRG3 TI

完全替代

 FB SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PQFP52, GREEN, PLASTIC, QFP-52
SN74FB2031RCR TI

类似代替

 9-Bit TTL/BTL Address/Data Transceiver 52-QFP 0 to 70
SN74FB2041ARCG3 TI

类似代替

 7-BIT TTL/BTL TRANSCEIVER

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SN74FB2040RCG3 TI

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SN74FB2040RCR TI

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 		8-BIT TTL/BTL TRANSCEIVER
SN74FB2040RCRG3 TI

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 		FB SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PQFP52, GREEN, PLASTIC, QFP-52
SN74FB2040RCRG3N TI

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 		8-BIT TTL/BTL TRANSCEIVER
SN74FB2041A TI

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 		7-BIT TTL/BTL TRANSCEIVER
SN74FB2041ARC TI

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 		7-BIT TTL/BTL TRANSCEIVER
SN74FB2041ARCG3 TI

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 		7-BIT TTL/BTL TRANSCEIVER
SN74FB2041ARCR TI

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 		7-BIT TTL/BTL TRANSCEIVER
SN74FB2041ARCRG3 TI

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 		7-BIT TTL/BTL TRANSCEIVER
SN74FB2041PB TI

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 		IC,BUS TRANSCEIVER,SINGLE,7-BIT,BICMOS-BTL,LDCC,52PIN,PLASTIC

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