CY14B101K_09 Datasheet, PDF (27/28 Pages) Cypress Semiconductor – 1 Mbit (128K x 8) nvSRAM With Real Time Clock

CY14B101K
Document Title: CY14B101K 1 Mbit (128K x 8) nvSRAM With Real Time Clock
Document Number: 001-06401
REV.
ECN NO. Orig. of Change
Submission
Date
Description of Change
*I
2663934
GVCH/PYRS
02/24/09
Updated Features
Updated pin definition of WE
Removed AutoStore enable/disable section
Added Best practices
Updated “Reading the clock”, “Backup Power”, “Stopping and
starting the Oscillator” and “Alarm” descriptions under RTC
operation
Modified “Figure 4. RTC Recommended Component Configu-
ration”
Added footnotes 4, 5 and 6
Added default values to RTC Register Map” table
Updated flag register description in Register Map Detail” table
Added Industrial specs for 25ns and 35ns speed
Changed V_IH from Vcc+0.3 to Vcc+0.5
Added “Data Retention and Endurance” table on page 15
Added Thermal resistance values
Added alternate parameters in the AC switching characteristics
table
Renamed t_OH to t_OHA
Changed t_HRECALL from 20 to 40ms
Changed t_RECALL spec from 100μs to 170μs (Including t_ss of
70us)
Renamed t_AS to t_SA
Renamed t_GHAX to t_HA
Updated Figure 13, 14, 15 and 16
Renamed t_HLHX to t_PHSB
Added truth table for SRAM operations
Document Number: 001-06401 Rev. *I
Page 27 of 28
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