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| SN54ABT8245_07 Datasheet, PDF (3/30 Pages) Texas Instruments – SCAN TEST DEVICES WITH OCTAL BUS TRANSCEIVERS | |||
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functional block diagram
24
OE
DIR 1
SN54ABT8245, SN74ABT8245
SCAN TEST DEVICES
WITH OCTAL BUS TRANSCEIVERS
SCBS124D â AUGUST 1992 â REVISED DECEMBER 1996
Boundary-Scan Register
A1 23
One of Eight Channels
Bypass Register
VCC
TDI 14
VCC
12
TMS
13
TCK
Boundary-Control
Register
Instruction Register
TAP
Controller
Pin numbers shown are for the DW and JT packages.
2 B1
11
TDO
⢠POST OFFICE BOX 655303 DALLAS, TEXAS 75265
3
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