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M95128 - 256/128 Kbit Serial SPI Bus EEPROM With High Speed Clock
29F200 - 2 Mbit 256Kb x8 or 128Kb x16 / Boot Block Single Supply Flash Memory
M28256 - 256 Kbit 32Kb x8 Parallel EEPROM
24LC256 - 256-Kbit I2C Serial EEPROM
CY15B256J - 256-Kbit (32K x 8) Automotive Serial (I2C) F-RAM
M27C256B - 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM
M27C400 - 4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM
FM25640-S - 64Kb FRAM Serial Memory
P89LPC922 - 8-bit microcontrollers with two-clock 80C51 core 2 kB/4 kB/8 kB 3 V low-power Flash with 256-byte data RAM
M48T35Y - 256 Kbit (32 Kb x 8) TIMEKEEPER SRAM
CAT25256 - 256-Kb SPI Serial CMOS EEPROM
CAV25640 - 64-Kb SPI Serial CMOS EEPROM
LH28F400BG-L85 - 4M-BIT(256KBx16) SmartVoltage Flash MEMORY
LH28F400SUHT-NC80 - 4Mbit(512Kbit x 8/256 Kbit x 16) 5V Single Voltage Flash Memory
AT88SC25616C - CryptoMemory 256 Kbit
FM25W256 - 256-Kbit (32K x 8) Serial (SPI) F-RAM
MPC2005 - (MPC2004 / MPC2005) 256KB and 512KB BurstRAM Secondary Cache Modules for PowerPC PReP/CHRP Platforms
R1LP5256ESA-5SR - 256Kb Advanced LPSRAM
CY14V256LA - 256-Kbit nvSRAM
CY14E256Q - 256-Kbit (32 K x 8) SPI nvSRAM