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PRELIMINARY
CY7C197D
Document #: 38-05458 Rev. *C
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Document History Page
Document Title: CY7C197D 256K (256K x 1) Static RAM (Preliminary)
Document Number: 38-05458
REV.
ECN NO. Issue Date
Orig. of
Change
Description of Change
**
201560
See ECN
SWI
Advance Datasheet for C9 IPP
*A
233693
See ECN
RKF
DC parameters modified as per EROS (Spec # 01-02165)
Pb-free Offering in Ordering Information
*B
263769
See ECN
RKF
Removed 28-LCC Pinout and Package Diagrams
Added Data Retention Characteristics table
Added Tpower Spec in Switching Characteristics table
Shaded Ordering Information
*C
307593
See ECN
RKF
1) Reduced Speed bins to -10, -12 and -15 ns
2) Added ‘Industrial’ grade parts to the Ordering Info on Page #6
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