Datasheet

SN54LVT8996, SN74LVT8996
3.3-V 10-BIT ADDRESSABLE SCAN PORTS
MULTIDROP-ADDRESSABLE IEEE STD 1149.1 (JTAG) TAP TRANSCEIVERS
SCBS686A – APRIL 1997 – REVISED DECEMBER 1999
17
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PTDI
PTDO
CON
STDO
STMS
A9–A0
Don’t Care
NMA
P
PTDO = STDI
STMS = PTMS
STMS = STMS
0
PTCK
STCK
PTMS
STDI
BYP
PTRST
STRST
Select Protocol OFF
Don’t Care
Idle
Select Select Idle
NMA
P
Don’t Care
Don’t Care Don’t Care
Figure 8. Shadow-Protocol Timing, Protocol Result = NO MATCH, Prior Connect Status = ON