Cypress CY14B101NA - Manual (Page 24)

PRELIMINARY CY14B101LA, CY14B101NA
Document #: 001-42879 Rev. *B Page 24 of 25
Document History Page
Document Title: CY14B101LA/CY14B101NA 1 Mbit (128K x 8/64K x 16) nvSRAM
Document Number: 001-42879
Rev. ECN No. Submission
Date
Orig. of
Change
Description of Change
** 2050747 See ECN UNC/PYRS New Data Sheet
*A 2607447 11/14/2008 GVCH/AESA Removed 15 ns access speed
Updated “Features”
Updated Logic block diagram
Added footnote 1 2, 3 and 7
Pin definition: Updated WE, HSB and NC pin description
Page 4: Updated SRAM READ, SRAM WRITE, Autostore operation description
Updated Figure 4
Page 4: Updated Hardware store operation and Hardware RECALL (Power
up)description
Page 4: Updated Software store and software recall description
Footnote 1 and 11 referenced for Mode selection Table
Added footnote 11
Updated footnote 9 and 10
Page 6: updated Data protection description
Maximum Ratings:Added Max. Accumulated storage time
Changed Output short circuit current parameter name to DC output current
Changed I
CC2
from 6mA to 10mA
Changed I
CC3
from 15mA to 35mA
Changed I
CC4
from 6mA to 5mA
Changed I
SB
from 3mA to 5mA
Added I
IX
for HSB
Updated I
CC1,
I
CC3,
I
SB
and I
OZ
Test conditions
Changed V
CAP
voltage min value from 68uF to 61uF
Added V
CAP
voltage max value to 180uF
Updated footnote 12 and 13
Added footnote 14
Added Data retention and Endurance Table
Added thermal resistance value to 48-pin FBGA and 44-pin TSOP II packages
Updated Input Rise and Fall time in AC test Conditions
Referenced footnote 17 to t
OHA
parameter
Updated All switching waveforms
Updated footnote 17
Added footnote 20
Added Figure 10 (SRAM WRITE CYCLE:BHE and BLE controlled)
Changed t
STORE
max value from 12.5ms to 8ms
Updated t
DELAY
value
Added V
HDIS
, t
HHHD
and t
LZHSB
parameters
Updated footnote 24
Added footnote 26 and 27
Software controlled STORE/RECALL Table: Changed t
AS
to t
SA
Changed t
GHAX
to t
HA
Changed t
HA
value from 1ns to 0 ns
Added Figure 13
Added t
DHSB
parameter
Changed t
HLHX
to t
PHSB
Updated t
SS
from 70us to 100us
Added truth table for SRAM operations
Updated ordering information and part numbering nomenclature
*B 2654484 02/05/09 GVCH/PYRS Changed the data sheet from Advance information to Preliminary
Referenced Note 15 to parameters t
LZCE
, t
HZCE
, t
LZOE,
t
HZOE,
t
LZWE
and t
HZWE
Updated Figure 12
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