Specifications

CY14B104K, CY14B104M
Document #: 001-07103 Rev. *O Page 32 of 33
*K 2653928 GVCH/PYRS 02/04/09 Changed Part number from CY14B104KA/CY14B104MA to
CY14B104K/CY14B104M
Updated Real Time Clock operation description
Added factory default values to register map table 3
Added footnote 9
Updated Flag register description in Table 4
Updated C1, C2 values to 21pF, 21pF respectively
Changed I
BAK
value from 350 nA to 450 nA at hot temperature
Changed V
RTCcap
typical value from 2.4V to 3.0V
Referenced Note 15 to parameters t
LZCE
, t
HZCE
, t
LZOE,
t
HZOE,
t
LZBE,
t
LZWE,
t
HZWE-
and t
HZBE
Added footnote 22
Updated Figure 13
*L 2710240 GVCH/PYRS 05/22/09 Moved data sheet status from Preliminary to Final
Changed pin names X
1
, X
2
to X
out
, X
in
respectively.
Updated AutoStore operation
Updated C1, C2 values to 12pF, 69pF from 21pF, 21pF respectively
Updated I
SB
test condition
Updated footnote 11
Updated I
BAK
and V
RTCcap
parameter values
Added R
BKCHG
parameter to RTC characteristics table
Added footnote 15
Referenced footnote 13 to V
CCRISE
, t
HHHD
and t
LZHSB
parameters
Updated V
HDIS
parameter description
*M 2738586 GVCH 07/15/09 Page 4: Updated Hardware STORE (HSB
) operation description
page 4: Updated Software STORE description
Added best practices
Updated t
DELAY
parameter description
Updated footnote 25 and added footnote 32
Referenced footnote 32 to Figure 13 and Figure 14
*N 2758397 GVCH/AESA 09/01/09 Removed commercial temperature related specifications
Removed 20 ns access speed related specs
Changed V
RTCbat
max value from 3.3V to 3.6V
Changed R
BKCHG
min value from 450Ω to 350Ω
Updated footnote 15
*O 2826364 GVCH/PYRS 12/11/09 Changed STORE cycles to QuantumTrap from 200K to 1 Million
Updated I
BAK
RTC backup current spec unit from nA to μA
Document History Page (continued)
Document Title: CY14B104K, CY14B104M 4 Mbit (512K x 8/256K x 16) nvSRAM with Real Time Clock
Document Number: 001-07103
Rev. ECN No.
Orig. of
Change
Submission
Date
Description of Change
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