Please note that this is an end of life product. See newer alternative product version Please note that this is an end of life product. See newer alternative product version
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CY14B256I-SFXI
END OF LIFE
discontinued
RoHS Compliant
Lead-free

CY14B256I-SFXI

END OF LIFE
Datasheet
package
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CY14B256I-SFXI
CY14B256I-SFXI
View replacement
Datasheet


Product details

  • Alarms
    Y
  • Density
    256 kBit
  • Frequency
    3.4 MHz
  • Interfaces
    I2C
  • Lead Ball Finish
    Pure Sn
  • Operating Temperature range
    -40 °C to 85 °C
  • Operating Voltage range
    2.7 V to 3.6 V
  • Operating Voltage (VCCQ) max
    3.6 V
  • Organization (X x Y)
    32Kb x 8
  • Peak Reflow Temp
    260 °C
  • Qualification
    Industrial
  • Real Time Clock
    Y
  • Speed
    0 ns
  • Watchdog Timer
    Y

OPN
CY14B256I-SFXI
Product Status discontinued
Infineon Package
PG-DSO-16
Package Name SOIC-16 (51-85022)
Packing Size 690
Packing Type TUBE
Moisture Level 3
Moisture Packing DRY
Lead-free Yes
Halogen Free Yes
RoHS Compliant Yes
Country of Assembly (CoA)
TW
Country of Diffusion (CoD)
US
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Product Status discontinued
Infineon Package
PG-DSO-16
Package Name SOIC-16 (51-85022)
Packing Size 690
Packing Type TUBE
Moisture Level 3
Moisture Packing DRY
Lead Free
Halogen Free
RoHS Compliant
Country of Assembly (CoA)
TW
Country of Diffusion (CoD)
US
View replacement
CY14B256I-SFXI is a 256-Kbit (32 K × 8) serial I2C nvSRAM with integrated real-time clock. It runs from 2.7 V to 3.6 V over −40°C to +85°C and supports I2C speeds up to 3.4 MHz with zero-cycle read/write. AutoStore copies SRAM to QuantumTrap nonvolatile cells on power-down and recalls on power-up; STORE/RECALL can also be commanded. Data retention is 20 years at 85°C in a 16-pin SOIC.

Features

  • 256-Kbit nvSRAM (32 K × 8)
  • AutoStore on power-down
  • Software STORE/RECALL via I2C
  • Hardware STORE via HSB pin
  • Power-up RECALL restores SRAM
  • I2C up to 3.4 MHz (Hs-mode)
  • 1 mA avg at 3.4 MHz
  • 250 µA standby current max
  • 8 µA sleep mode current max
  • 20-year retention at 85°C
  • 1M STORE cycles to QuantumTrap
  • RTC: alarm, WDT, SQW 1 Hz-32 kHz

Benefits

  • SRAM speed with nonvolatile data
  • Saves data automatically on power loss
  • Firmware can force NV save/restore
  • Pin-triggered save for fast response
  • Instant restore after power returns
  • Fast I2C fits high-throughput buses
  • Low active current cuts power budget
  • Low standby current extends uptime
  • Sleep current supports battery designs
  • Long retention protects stored data
  • High endurance reduces wear concerns
  • RTC functions cut external components

Applications

Documents

Design resources

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Developer community