The FM25C020U is a 2K (2,048) bit serial interface CMOS EEPROM (Electrically Erasable Programmable Read-Only Memory). This device fully conforms to the SPI 4-wire protocol which uses Chip Select (/CS), Clock (SCK), Data-in (SI) and Dataout (SO) pins to synchronously control data transfer between the SPI microcontroller and the EEPROM. In addition, the serial.
I Sequential read of entire array I 4 byte "Page write" mode to minimize total write time per byte I /WP pin and BLOCK WRITE protection to prevent inadvertent programming as well as programming ENABLE and DISABLE opcodes. I /HOLD pin to suspend data transfer I Typical 1µA standby current (ISB) for "L" devices and 0.1µA standby current for "LZ" devices. I Endurance: Up to 1,000,000 data changes I Data retention greater than 40 years Block Diagram /CS /HOLD SCK SI Instruction Register Instruction Decoder Control Logic and Clock Generators VCC VSS /WP Address Counter/ Register Program Enable V.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | FM25C040U |
Fairchild Semiconductor |
4K-Bit SPI Interface Serial CMOS EEPROM | |
2 | FM25C041U |
Fairchild Semiconductor |
4K-Bit SPI Interface Serial CMOS EEPROM | |
3 | FM25C160B |
Cypress Semiconductor |
16-Kbit (2K x 8) Serial (SPI) Automotive F-RAM | |
4 | FM25C160B |
Ramtron |
5V F-RAM Memory | |
5 | FM25C160C |
Ramtron |
5V F-RAM Memory | |
6 | FM25C160U |
Fairchild Semiconductor |
16K-Bit SPI Interface Serial CMOS EEPROM | |
7 | FM25C640U |
Fairchild Semiconductor |
64K-Bit SPI Interface Serial CMOS EEPROM | |
8 | FM25CL04 |
ETC |
4Kb FRAM Serial 3V Memory | |
9 | FM25CL64 |
ETC |
64Kb FRAM Serial 3V Memory | |
10 | FM25CL64B |
Cypress Semiconductor |
64-Kbit (8 K x 8) Serial (SPI) Automotive F-RAM | |
11 | FM25CL64B |
Ramtron |
3V F-RAM Memory | |
12 | FM250 |
Formosa MS |
Schottky Barrier Diodes |