參數(shù)資料
型號(hào)： SN54ABTH18646AHV
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)： 17/37頁(yè)
文件大?。?/td> 559K
代理商： SN54ABTH18646AHV
SN54ABTH18646A, SN54ABTH182646A, SN74ABTH18646A, SN74ABTH182646A
SCAN TEST DEVICES WITH
18-BIT TRANSCEIVERS AND REGISTERS
SCBS166D – AUGUST 1993 – REVISED JULY 1996
17
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
pseudo-random pattern generation (PRPG)
A pseudo-random pattern is generated in the shift-register elements of the selected BSCs on each rising edge
of TCK, updated in the shadow latches, and applied to the associated device output-mode I/O pins on each
falling edge of TCK. Figures 6 and 7 illustrate the 36-bit linear-feedback shift-register algorithms through which
the patterns are generated. An initial seed value should be scanned into the BSR before performing this
operation. A seed value of all zeroes does not produce additional patterns.
=
1B8-I/O
1B7-I/O
1B6-I/O
1B5-I/O
1B4-I/O
1B3-I/O
1B2-I/O
1B1-I/O
1B9-I/O
1A7-I/O
1A6-I/O
1A5-I/O
1A4-I/O
1A3-I/O
1A2-I/O
1A1-I/O
1A8-I/O
1A9-I/O
2A7-I/O
2A6-I/O
2A5-I/O
2A4-I/O
2A3-I/O
2A2-I/O
2A1-I/O
2A8-I/O
2A9-I/O
2B8-I/O
2B7-I/O
2B6-I/O
2B5-I/O
2B4-I/O
2B3-I/O
2B2-I/O
2B1-I/O
2B9-I/O
Figure 6. 36-Bit PRPG Configuration (1OEA = 2OEA = 0, 1OEB = 2OEB = 1)
相關(guān)PDF資料
PDF描述
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)
SN54ABTH245FK OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SN54ABTH18652A 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
SN54ABTH18652AHV 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
SN54ABTH245 制造商:TI 制造商全稱:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN54ABTH245FK 制造商:TI 制造商全稱:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN54ABTH245J 制造商:TI 制造商全稱:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
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