W641GG2JB Datasheet, PDF (35/109 Pages) Winbond – 1-Gbit GDDR3 Graphics SDRAM

W641GG2JB
1-Gbit GDDR3 Graphics SDRAM
6.4.5 Scan Exit Sequence
Figure shows the Scan exit Sequence. This figure show the exiting of the boundary scan functionality in conjugation with the
appended regular SGRAM initialization sequence to bring the SGRAM again in a well defined state.
6.4.5.1 Boundary Scan Exit Sequence
Stable clock
CLK/
CLK#
RES
CKE
tRESL
tATS tATH
tSN
Standard Power up sequence
Starting with PRE ALL
SEN
SOUT
invalid
700 tCK
6.4.5.2 Scan AC Electrical Parameter
Parameter
t_RESL
t_SN
Symbol
t_RESL
t_SN
Limit Values
Unit
Min
Max.
20
-
ns
20
-
ns
Note
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Publication Release Date: Apr, 22, 2011
Revision A01-002