W9725G6KB25I-TR Datasheet, PDF (87/87 Pages) Winbond – 4M X 4 BANKS X 16 BIT DDR2 SDRAM

W9725G6KB
13. REVISION HISTORY
VERSION
DATE
PAGE
DESCRIPTION
A01
Apr. 25, 2012
All
Initial formal data sheet
A02
Jul. 06, 2012
4, 5, 13, 37, 38,
40~42, 45, 46
Added 25A and 25K automotive grade parts
9
Added VTT voltage ramp time required condition in
section 8.1 power-up and initialization sequence
A03
Sep. 03, 2012
83
Added notes for 11.28 self refresh timing diagram
86
Added “ddd” and “eee” symbols in WBGA84
package outline drawing diagram
Important Notice
Winbond products are not designed, intended, authorized or warranted for use as components
in systems or equipment intended for surgical implantation, atomic energy control
instruments, airplane or spaceship instruments, transportation instruments, traffic signal
instruments, combustion control instruments, or for other applications intended to support or
sustain life. Further more, Winbond products are not intended for applications wherein failure
of Winbond products could result or lead to a situation wherein personal injury, death or
severe property or environmental damage could occur.
Winbond customers using or selling these products for use in such applications do so at their
own risk and agree to fully indemnify Winbond for any damages resulting from such improper
use or sales.
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Publication Release Date: Sep. 03, 2012
Revision A03