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參數(shù)資料
| 型號： | SN74ABT18640DLR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | ABT SERIES, DUAL 9-BIT BOUNDARY SCAN TRANSCEIVER, INVERTED OUTPUT, PDSO56 |
| 封裝： | GREEN, PLASTIC, SSOP-56 |
| 文件頁數(shù)： | 12/32頁 |
| 文件大?。?/td> | 638K |
| 代理商： | SN74ABT18640DLR |
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SN54ABT18640, SN74ABT18640
SCAN TEST DEVICES
WITH 18-BIT INVERTING BUS TRANSCEIVERS
SCBS267C – FEBRUARY 1994 – REVISED JULY 1996
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description (continued)
Four dedicated test pins observe and control the operation of the test circuitry: test data input (TDI), test data
output (TDO), test mode select (TMS), and test clock (TCK). Additionally, the test circuitry performs other testing
functions such as parallel-signature analysis (PSA) on data inputs and pseudo-random pattern generation
(PRPG) from data outputs. All testing and scan operations are synchronized to the TAP interface.
The SN74ABT18640 is available in TI’s shrink small-outline (DL) and thin shrink small-outline (DGG) packages,
which provide twice the I/O pin count and functionality of standard small-outline packages in the same
printed-circuit-board area.
The SN54ABT18640 is characterized for operation over the full military temperature range of –55
°C to 125°C.
The SN74ABT18640 is characterized for operation from –40
°C to 85°C.
FUNCTION TABLE
(normal mode, each 9-bit section)
INPUTS
OPERATION
OE
DIR
OPERATION
L
B data to A bus
L
HA data to B bus
H
X
Isolation
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參數(shù)描述 |
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| SN74ABT18640DLRG4 | 功能描述:特定功能邏輯 Device w/18-Bit Inv Bus Transceiver RoHS:否 制造商:Texas Instruments 產(chǎn)品: 系列:SN74ABTH18502A 工作電源電壓:5 V 封裝 / 箱體:LQFP-64 封裝:Tube |
| SN74ABT18646 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:WITH 18-BIT TRANSCEIVER AND REGISTER |
| SN74ABT18646PM | 功能描述:特定功能邏輯 Device w/18-Bit Bus Trnscvr & Register RoHS:否 制造商:Texas Instruments 產(chǎn)品: 系列:SN74ABTH18502A 工作電源電壓:5 V 封裝 / 箱體:LQFP-64 封裝:Tube |
| SN74ABT18646PMG4 | 功能描述:特定功能邏輯 Device w/18-Bit Bus Trnscvr & Register RoHS:否 制造商:Texas Instruments 產(chǎn)品: 系列:SN74ABTH18502A 工作電源電壓:5 V 封裝 / 箱體:LQFP-64 封裝:Tube |
| SN74ABT18652 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:SCAN TEST DEVICES WITH 18-BIT BUS TRANSCEIVERS AND REGISTERS |
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