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SN74ABT853DW

更新时间： 2024-09-16 23:06:11
品牌 Logo 应用领域
德州仪器 - TI 总线收发器
页数 文件大小 规格书
9页 143K
描述
8-BIT TO 9-BIT PARITY BUS TRANSCEIVERS

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SN74ABT853DW 数据手册

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SN54ABT853, SN74ABT853  
8-BIT TO 9-BIT PARITY BUS TRANSCEIVERS  
SCBS198F – FEBRUARY 1991 – REVISED OCTOBER 1997  
SN54ABT853 . . . JT OR W PACKAGE  
SN74ABT853 . . . DB, DW, NT, OR PW PACKAGE  
(TOP VIEW)  
State-of-the-Art EPIC-ΙΙB BiCMOS Design  
Significantly Reduces Power Dissipation  
ESD Protection Exceeds 2000 V Per  
MIL-STD-883, Method 3015; Exceeds 200 V  
Using Machine Model (C = 200 pF, R = 0)  
OEA  
A1  
A2  
A3  
A4  
A5  
A6  
A7  
A8  
V
CC  
1
2
3
4
5
6
7
8
9
24  
23  
22  
21  
20  
19  
18  
17  
16  
B1  
B2  
B3  
B4  
B5  
B6  
B7  
B8  
Latch-Up Performance Exceeds 500 mA Per  
JESD 17  
Typical V  
< 1 V at V  
(Output Ground Bounce)  
OLP  
CC  
= 5 V, T = 25°C  
A
High-Drive Outputs (–32-mA I , 64-mA I  
OH  
)
OL  
High-Impedance State During Power Up  
and Power Down  
ERR 10  
15 PARITY  
Parity-Error Flag With Parity  
Generator/Checker  
CLR  
GND  
OEB  
LE  
11  
12  
14  
13  
Latch for Storage of Parity-Error Flag  
Package Options Include Plastic  
Small-Outline (DW), Shrink Small-Outline  
(DB), and Thin Shrink Small-Outline (PW)  
Packages, Ceramic Chip Carriers (FK),  
Ceramic Flat (W) Package, and Plastic (NT)  
and Ceramic (JT) DIPs  
SN54ABT853 . . . FK PACKAGE  
(TOP VIEW)  
4
3
2
1
28 27 26  
25  
5
A3  
A4  
A5  
NC  
A6  
A7  
A8  
B3  
B4  
B5  
NC  
B6  
B7  
B8  
6
description  
24  
23  
22  
21  
20  
19  
7
The ’ABT853 8-bit to 9-bit parity transceivers are  
designedforcommunicationbetweendatabuses.  
When data is transmitted from the A bus to the  
B bus, a parity bit is generated. When data is  
transmitted from the B bus to the A bus with its  
corresponding parity bit, the open-collector  
parity-error (ERR) output indicates whether or not  
an error in the B data has occurred. The  
output-enable (OEA and OEB) inputs can be used  
to disable the device so that the buses are  
effectively isolated. The ’ABT853 transceivers  
provide true data at their outputs.  
8
9
10  
11  
12 13 14 15 16 17 18  
NC – No internal connection  
A 9-bit parity generator/checker generates a parity-odd (PARITY) output and monitors the parity of the I/O ports  
with the ERR flag. The parity-error output can be passed, sampled, stored, or cleared from the latch using the  
latch-enable (LE) and clear (CLR) control inputs. When both OEA and OEB are low, data is transferred from  
the A bus to the B bus and inverted parity is generated. Inverted parity is a forced error condition that gives the  
designer more system diagnostic capability.  
When V  
is between 0 and 2.1 V, the device is in the high-impedance state during power up or power down.  
CC  
However, to ensure the high-impedance state above 2.1 V, OE should be tied to V  
the minimum value of the resistor is determined by the current-sinking capability of the driver.  
through a pullup resistor;  
CC  
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.  
EPIC-ΙΙB is a trademark of Texas Instruments Incorporated.  
Copyright 1997, 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...9

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SN74ABT853DW 替代型号

型号 品牌 替代类型 描述 数据表
SN74ABT853DWR TI

完全替代

 8-BIT TO 9-BIT PARITY BUS TRANSCEIVERS
SN74ABT853NSRG4 TI

功能相似

 ABT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO24, GREEN, PLASTIC, SOP-24

与SN74ABT853DW相关器件

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SN74ABT853DWR TI

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 		8-BIT TO 9-BIT PARITY BUS TRANSCEIVERS
SN74ABT853NSR TI

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 		ABT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO24, GREEN, PLASTIC, SOP-24
SN74ABT853NSRE4 TI

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 		ABT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO24, GREEN, PLASTIC, SOP-24
SN74ABT853NSRG4 TI

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 		ABT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO24, GREEN, PLASTIC, SOP-24
SN74ABT853NT TI

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 		8-BIT TO 9-BIT PARITY BUS TRANSCEIVERS
SN74ABT853NTE4 TI

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 		ABT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP24, ROHS COMPLIANT, PLASTIC, DIP-24
SN74ABT853PW TI

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 		8-BIT TO 9-BIT PARITY BUS TRANSCEIVERS
SN74ABT853PWE4 TI

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 		ABT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO24, GREEN, PLASTIC, TSSOP-24
SN74ABT853PWG4 TI

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 		ABT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO24, GREEN, PLASTIC, TSSOP-24
SN74ABT853PWLE TI

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 		8-Bit To 9-Bit Parity Bus Transceivers 24-TSSOP -40 to 85

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