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CY14C512PA_12 Datasheet, PDF (41/42 Pages) Cypress Semiconductor – 512-Kbit (64 K × 8) SPI nvSRAM with Real Time Clock
CY14C512PA
CY14B512PA
CY14E512PA
Document History Page
Document Title: CY14C512PA, CY14B512PA, CY14E512PA, 512-Kbit (64 K × 8) SPI nvSRAM with Real Time Clock
Document Number: 001-65268
REV.
ECN NO.
Submission
Date
Orig. of
Change
Description of Change
**
3096371 11/29/2010
GVCH New data sheet.
*A
3217968 04/06/2011
GVCH Updated AutoStore Operation (description).
Updated Hardware STORE and HSB pin Operation (Added more clarity on
HSB pin operation).
Updated Table 3 (description of Bit 4–5).
Updated Setting the Clock (description).
Updated Figure 31 (changed C1, C2 values to 12 pF, 69 pF from 10 pF,
67 pF respectively).
Updated Register Map Detail table (‘W’ bit description).
Updated Maximum Ratings.
Updated DC Electrical Characteristics (Added ICC1 parameter for 104 MHz
frequency).
Updated RTC Characteristics (Added tRTCp parameter to the table).
Updated AutoStore or Power-Up RECALL (tLZHSB parameter description).
Updated in new template.
*B
3249424 05/05/2011
GVCH Changed status from Preliminary to Final.
*C
3388966 12/19/2011
GVCH Updated Pin Definitions (Added Note 2 and referred the same note in
VRTCcap, VRTCbat, Xout, Xin, and INT/SQW pins).
Updated SPI Operating Features (Updated Power-Up (description)).
Updated Special Instructions (Updated SLEEP Instruction (description),
updated Figure 23).
Updated Device ID (Updated Table 7 (Added Device ID (4 bytes) column)).
Updated Real Time Clock Operation (No change in description, added Note
3 and referred the same note in Figure 31).
Updated DC Electrical Characteristics (Changed maximum value of ICC2
parameter from 2 mA to 3 mA, added Note 10 and referred the same note
in VCAP parameter).
Updated RTC Characteristics (Included three conditions in IBAK parameter
namely TA(Min), 25 °C, TA(Max) respectively and changed the values
accordingly, included three conditions in VRTCcap parameter namely
TA(Min), 25 °C, TA(Max) respectively and changed the values accordingly).
Updated AC Switching Characteristics (Added Note 16 and referred the
same note in Parameters column).
Updated Package Diagram.
*D
3691141 07/24/2012
GVCH Updated Real Time Clock Operation (description).
Updated DC Electrical Characteristics (Added VVCAP parameter and its
details, added Note 11 and referred the same note in VVCAP parameter, also
referred Note 12 in VVCAP parameter).
Document Number: 001-65268 Rev. *D
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