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EEPROM
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25AA256-I/ST, Microchip
25AA256/25LC256 SPI Serial EEPROM
Microchips 25AA256/25LC256 family of devices are 256 Kbit SPI Serial EEPROMs available in a variety of package, temperature and power supply variants.
The Serial Peripheral Interface (SPI) is utilised to provide the required Clock Input (SCK), Data In (SI) and Data Out (SO) signals. The operation of these devices can be paused via a Hold pin (HOLD) which causes inputs to be ignored with the exception higher priority interrupts defined via the Chip Select (CS) pin.
Features
Max. Clock 10 MHz
Maximum write current 5 mA
Read current: 6 mA (typical)
Standby current: 1 μA (typical)
32,768 x 8-bit Organization
64-Byte Page
Self-Timed Erase and Write Cycles, 5 ms (maximum)
Block Write Protection: Protect none, 1/4, 1/2 or all of array
Built-In Write Protection: Power-on/off data protection circuitry, Write enable latch, Write-protect pin
Sequential Read
Endurance: >1M erase/write cycles
Data retention: >200 years
ESD protection: >4000V
EEPROM Serial Access - Microchip
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93C66BT-E/SN, Microchip
The Microchip 4kbit serial electrically erasable PROM. It has advanced CMOS technology makes these devices ideal for low-power, non-volatile memory applications.
Power on-off data protection circuitry
Pb-Free and RoHS compliant
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24LC128T-I/SN, Microchip
24AA128/24FC128/24LC128 I²C™ Serial EEPROM
EEPROM Serial Access - Microchip
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AT93C86A-10SU-2.7, Microchip
Electrically Erasable PROM Serial Access
EEPROM Serial Access - Microchip
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AT93C66B-SSHM-B, Microchip
Electrically Erasable PROM Serial Access
EEPROM Serial Access - Microchip
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CAT24C64WI-G, ON Semiconductor
Electrically Erasable PROM Serial I²C, ON Semiconductor
EEPROM Serial Access - ON Semiconductor
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BR24L32F-WE2, ROHM
Serial Access EEPROM, I²C Bus, ROHM
EEPROM Serial Access - ROHM Semiconductor
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DS28E15P+, Maxim
512-Bit EEPROM with SHA-256 Authentication for Reads and Writes
Symmetric-Key-Based Bidirectional Secure Authentication Model Based on SHA-256
Strong Authentication with a High-Bit-Count User-Programmable Secret and Input Challenge
512 Bits of User EEPROM Partitioned Into Two Pages of 256 Bits
User-Programmable and Irreversible EEPROM Protection Modes Including Authentication, Write and Read Protect, and OTP/EPROM Emulation
Unique Factory-Programmed, 64-Bit Identification Number
Minimalist 1-Wire Interface Lowers Cost and Interface Complexity
Reduces Control, Address, Data, Power, and Programming Signals to a Single Data Pin
±8kV HBM ESD Protection (typ)
2-Pin SFN, 6-Pin TDFN-EP, and 6-Pin TSOC Packages
Operating Range: 3.3V ±10%, -40°C to +85°C
Applications/Uses
Authentication of Consumables
Secure Feature Control
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