Datasheet

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