CY14B256L-SZ35XC Cypress Semiconductor Corp, CY14B256L-SZ35XC Datasheet - Page 18

• Manufacturer Part Number: CY14B256L-SZ35XC
• Description: IC NVSRAM 256KBIT 35NS 32SOIC
• Manufacturer: Cypress Semiconductor Corp
• Type: NVSRAMr

Specifications of CY14B256L-SZ35XC

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 256K (32K x 8)
• Speed: 35ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 32-SOIC (7.5mm Width)
• Word Size: 8b
• Organization: 32Kx8
• Density: 256Kb
• Interface Type: Parallel
• Access Time (max): 35ns
• Operating Supply Voltage (typ): 3.3V
• Package Type: SOIC
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 2.7V
• Operating Temp Range: 0C to 70C
• Pin Count: 32
• Mounting: Surface Mount
• Supply Current: 55mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 428-2032-5; CY14B256L-SZ35XC

Document History Page
Document Number: 001-06422 Rev. *I
Rev.
Document Title: CY14B256L 256 Kbit (32K x 8) nvSRAM
Document Number: 001-06422
*C
*D
*G
*H
*A
*B
*E
*F
**
*I
ECN No.
1349963
2483006
2625139
2815609
425138
437321
471966
503277
597004
696097
Submission
See ECN
See ECN
See ECN
See ECN
See ECN
See ECN
See ECN
See ECN
01/30/09
11/26/09
Date
GVCH/PYRS
GVCH/PYRS
Orig. of
Change
GVCH
TUP
TUP
TUP
TUP
VKN
SFV
PCI
New data sheet
Show data sheet on External Web
Changed V
Changed t
Changed Endurance from one 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 Information
Changed from “Advance” to “Preliminary”
Changed the term “Unlimited” to “Infinite”
Changed endurance from 500K cycles to 200K cycles
Device operation: Tolerance limit changed from + 20% to + 15% in the
Features Section and Operating Range Table
Removed Icc
Changed V
Added temperature specification to data retention - 20 years at 55°C
Changed the max value of Vcap storage capacitor from 120 μF to 57 μF
Updated Part Nomenclature Table and Ordering Information Table
Removed V
table
Changed t
Added t
Removed t
Changed t
Changed V
Added footnote 6 related to HSB. Changed t
Changed from Preliminary to Final. Updated Ordering Information Table
Changed tolerance from +15%, -10% to +20%, -10%
Changed Operating voltage range from 2.7V-3.45V to 2.7V-3.6V.
Updated “features”
Updated WE pin description
Added data retention at 55
Added best practices
Added I
Updated V
Removed footnote 4 and 5
Added Data retention and Endurance Table
Added Thermal resistance values
Changed parameter t
Changed t
Renamed t
Updated Figure 11 and 12
Renamed t
Updated Figure 12 and 13
Added note in the
parts in this data sheet are not recommended for new designs. Added the
Contents
DELAY(max)
CC1
page.
RECALL
GLAX
SS
RECALL
IH
HLBL
GLAX
HLHX
IH(min)
SWITCH(min)
CAP(max)
SWITCH(min)
spec for 25ns and 35ns access speed for industrial temperate
1
from Vcc+0.3 to Vcc+0.5
specification from 70 μs (min) to 70 μs (max)
values from the DC table for 25 ns and 35 ns industrial grade
specification from 20 ns to 1 ns
specification
to t
to t
from 2.2V to 2.0V
from 60 μs to 50 μs
from 50us to 120us (Including t
Ordering Information
specification of 70 μs in the Hardware STORE Cycle table
HA
PHSB
from 57 μF to 120 μF
AS
from 2.55V to 2.45V
specification from the AutoStore/Power Up RECALL
to t
Description of Change
o
SA
C
table and watermark to state that the
GLAX
ss
to t
of 70us)
GHAX
CY14B256L
Page 18 of 19
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