Cypress CY14B101K - Manual (Page 26)

CY14B101K
Document Number: 001-06401 Rev. *I Page 26 of 28
Document History Page
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
** 425138 TUP See ECN New data sheet
*A 437321 TUP See ECN Show data sheet on External Web
*B 471966 TUP See ECN Changed I
CC3
from 5 mA to 10 mA
Changed ISB from 2 mA to 3 mA
Changed V
IH(min)
from 2.2V to 2.0V
Changed t
RECALL
from 40 ms to 100 ms
Changed Endurance from 1 million Cycles to 500K Cycles
Changed Data Retention from 100 years to 20 years
Added Soft Sequence Processing Time Waveform
Updated Part Numbering Nomenclature and Ordering Infor-
mation
Added RTC Characteristics Table
Added RTC Recommended Component Configuration
*C 503272 PCI See ECN Changed from Advance to Preliminary
Changed the term “Unlimited” to “Infinite”
Changed Endurance from 500K Cycles to 200K Cycles
Added temperature spec. to Data Retention - 20 years at 55×C
Removed Icc
1
values from the DC table for 25 ns and 35 ns
Industrial Grade
Changed Icc
2
value from 3 mA to 6 mA in the DC Table
Added a footnote on V
IH
Added footnote 18 related to using the software command
Changed V
SWITCH(min)
from 2.55V to 2.45V
Updated Part Nomenclature Table and Ordering Information
Table
*D 597002 TUP See ECN Removed V
SWITCH(min)
specification from the AutoStore/Power
Up RECALL Table
Changed t
GLAX
specification from 20 ns to 1 ns
Added t
DELAY(max)
specification of 70 ms in the Hardware STORE
Cycle Table
Removed t
HLBL
specification
Changed t
SS
specification form 70 ms (min) to 70 ms (max)
Changed V
CAP(max)
from 57 mF to 120 mF
*E 688776 VKN See ECN Added footnote 7 related to HSB
Added footnote 8 related to INT pin
Changed t
GLAX
to t
GHAX
Removed ABE bit from interrupt register
*F 1349963 UHA/SFV See ECN Changed from Preliminary to Final
Added Note 5 regarding the W bit in the Flag register
Updated Ordering Information Table
*G 1739984 vsutmp8/AESA See ECN Added Pinout diagram and Pin definition Table
*H 2427986 GVCH/PYRS 04/23/08 Move to external web
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