SN54LVT8980A datasheet(7/38 Pages) TI1

Part #	SN54LVT8980A

Description	EMBEDDED TEST-BUS CONTROLLERS

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Manufacturer	TI1 [Texas Instruments]

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SN54LVT8980A, SN74LVT8980A

EMBEDDED TEST BUS CONTROLLERS

IEEE STD 1149.1 (JTAG) TAP MASTERS WITH 8BIT GENERIC HOST INTERFACES

SCBS755B − APRIL 2002 − REVISED MARCH 2004

7

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

IEEE Std 1149.1-Compliant

Device Chain

TDO

TMS

TCK

TDI

Plug-In Module

To

Other

Modules

Passive Backplane

IEEE Std 1149.1-Compliant

Device Chain

Plug-In Module

IEEE Std 1149.1-Compliant

Device Chain

Plug-In Module

ASP

TRST

’LVT8980A

eTBC

ASP

Figure 3. Passive-Backplane Application With Centralized (eTBC Per Chassis) Test-Control Architecture

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