參數(shù)資料
型號(hào)： SN54ABTH182646AHV
廠商： Texas Instruments, Inc.
英文描述： SCAN TEST DEVICES WITH 18-BIT TRANSCEIVERS AND REGISTERS
中文描述： 掃描測(cè)試設(shè)備與18位收發(fā)器和寄存器
文件頁(yè)數(shù)： 6/37頁(yè)
文件大小： 559K
代理商： SN54ABTH182646AHV
SN54ABTH18646A, SN54ABTH182646A, SN74ABTH18646A, SN74ABTH182646A
SCAN TEST DEVICES WITH
18-BIT TRANSCEIVERS AND REGISTERS
SCBS166D – AUGUST 1993 – REVISED JULY 1996
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Terminal Functions
TERMINAL NAME
DESCRIPTION
1A1–1A9,
2A1–2A9
Normal-function A-bus I/O ports. See function table for normal-mode logic.
1B1–1B9,
2B1–2B9
Normal-function B-bus I/O ports. See function table for normal-mode logic.
1CLKAB, 1CLKBA,
2CLKAB, 2CLKBA
Normal-function clock inputs. See function table for normal-mode logic.
1DIR, 2DIR
Normal-function direction controls. See function table for normal-mode logic.
GND
Ground
1OE, 2OE
Normal-function output enables. See function table for normal-mode logic. An internal pullup at each terminal forces the
terminal to a high level if left unconnected.
1SAB, 1SBA,
2SAB, 2SBA
Normal-function select controls. See function table for normal-mode logic.
TCK
Test clock. One of four terminals required by IEEE Standard 1149.1-1990. Test operations of the device are synchronous
to TCK. Data is captured on the rising edge of TCK and outputs change on the falling edge of TCK.
TDI
Test data input. One of four terminals required by IEEE Standard 1149.1-1990. TDI is the serial input for shifting data
through the instruction register or selected data register. An internal pullup forces TDI to a high level if left unconnected.
TDO
Test data output. One of four terminals required by IEEE Standard 1149.1-1990. TDO is the serial output for shifting data
through the instruction register or selected data register.
TMS
Test mode select. One of four terminals required by IEEE Standard 1149.1-1990. TMS directs the device through its TAP
controller states. An internal pullup forces TMS to a high level if left unconnected.
VCC
Supply voltage
相關(guān)PDF資料
PDF描述
SN54ABTH18646AHV SCAN TEST DEVICES WITH 18-BIT TRANSCEIVERS AND REGISTERS
SN54ABTH182646A Scan Test Devices With 18 Bit Universal Bus Transceivers( 掃描檢測(cè)裝置，帶18位收發(fā)器和寄存器)
SN54ABTH1826520A Scan Test Devices With 18 Bit Universal Bus Transceivers and Registers( 掃描檢測(cè)裝置，帶18位總線收發(fā)器和寄存器)
SN74ABTH1826520A Scan Test Devices With 18 Bit Universal Bus Transceivers And Registers( 掃描檢測(cè)裝置帶18位總線收發(fā)器和寄存器)
SN54ABTH18652A Scan Test Devices With 18 Bit Universal Bus Transceivers and Registers( 掃描檢測(cè)裝置，帶18位總線收發(fā)器和寄存器)
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