CY14B256L-SZ45XC Cypress Semiconductor Corp, CY14B256L-SZ45XC Datasheet - Page 2

• Manufacturer Part Number: CY14B256L-SZ45XC
• Description: IC NVSRAM 256KBIT 45NS 32SOIC
• Manufacturer: Cypress Semiconductor Corp
• Type: NVSRAMr

Specifications of CY14B256L-SZ45XC

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 256K (32K x 8)
• Speed: 45ns
• 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): 45ns
• 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: 50mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Contents
Features ...............................................................................1
Functional Description .......................................................1
Logic Block Diagram ..........................................................1
Contents ..............................................................................2
Pin Configurations .............................................................3
Pin Definitions ....................................................................3
Device Operation ................................................................4
SRAM Read .........................................................................4
SRAM Write .........................................................................4
AutoStore Operation ..........................................................4
Hardware STORE (HSB) Operation ...................................4
Hardware RECALL (Power Up) ..........................................5
Software STORE .................................................................5
Software RECALL ...............................................................5
Data Protection ...................................................................5
Noise Considerations .........................................................5
Low Average Active Power ................................................5
Preventing Store .................................................................6
Document Number: 001-06422 Rev. *I
Best Practices ..................................................................... 6
Maximum Ratings ............................................................... 8
Operating Range ................................................................. 8
DC Electrical Characteristics ............................................ 8
Data Retention and Endurance ......................................... 8
Capacitance ........................................................................ 9
Thermal Resistance ............................................................ 9
AC Test Conditions ............................................................ 9
AutoStore or Power Up RECALL ....................................12
Software Controlled STORE/RECALL Cycle ..................13
Switching Waveforms ......................................................14
Part Numbering Nomenclature ........................................15
Ordering Information ........................................................15
Sales, Solutions, and Legal Information ........................19
SRAM Read Cycle ......................................................10
SRAM Write Cycle .......................................................11
Worldwide Sales and Design Support .........................19
Products ......................................................................19
CY14B256L
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