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Part Number: AT24C256SC
Description: The AT24C128SC/256SC provides 131,072/262,144 bits of serial electrically erasable and programmable read only memory (E...
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AT24C256SC
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DataSheet
General Description
AT24C256SC General Description
The AT24C128SC/256SC provides 131,072/262,144 bits of serial electrically erasable and programmable read only memory (EEPROM) organized as 16,384/32,768 words of 8 bits each.The devices are optimized for use in smart card applications where lowpower and low-voltage operation may be essential. The devices are available in several standard ISO 7816 smart card modules (see Ordering Information). All devices are functionally equivalent to Atmel Serial EEPROM products offered in standard IC packages (PDIP, SOIC, TSSOP, dBGA),with the exception of the slave address and Write Protect functions which are not required for smart card applications.
AT24C256SC Maximum Ratings
Operating Temperature.....................................−55°C to +125°C
Storage Temperature........................................−65°C to +150°C
Voltage on Any Pin
with Respect to Ground........................................−1.0V to +7.0V
Maximum Operating Voltage................................................6.25V
DC Output Current..............................................................5.0mA
AT24C256SC Features
•Low-voltage and Standard-voltage Operation, VCC= 2.7V to 5.5V
•Internally Organized 16,384 x 8 and 32,768 x 8
•2-wire Serial Interface
•Schmitt Trigger, Filtered Inputs for Noise Suppression
•Bi-directional Data Transfer Protocol
•1 MHz (5V) and 400 kHz (2.7V) Compatibility
•64-byte Page Write Mode (Partial Page Writes Allowed)
•Self-timed Write Cycle (5 ms Typical)
•High Reliability
Endurance: 1 Million Write Cycles
Data Retention: 40 Years
ESD Protection: > 4000V
•Internally Organized 16,384 x 8 and 32,768 x 8
•2-wire Serial Interface
•Schmitt Trigger, Filtered Inputs for Noise Suppression
•Bi-directional Data Transfer Protocol
•1 MHz (5V) and 400 kHz (2.7V) Compatibility
•64-byte Page Write Mode (Partial Page Writes Allowed)
•Self-timed Write Cycle (5 ms Typical)
•High Reliability
Endurance: 1 Million Write Cycles
Data Retention: 40 Years
ESD Protection: > 4000V
AT24C256SC Connection Diagram
Pin Description
SERIAL CLOCK (SCL): The SCL input is used to positive edge clock data into each EEPROM device and negative edge clock data out of each device.
SERIAL DATA (SDA): The SDA pin is bidirectional for serial data transfer. This pin is open-drain driven and may be wire-ORed with any number of other open-drain or opencollector devices.
AT24C256SC-09AT
PDF/DataSheet Download
- Datasheet: AT24C256SC-09AT
- File Size: 267812 KB
- Manufacturer: ATMEL [ATMEL Corporation]
- Click here to Download
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