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R1EX25008ASA00A/R1EX25008ATA00A
R1EX25016ASA00A/R1EX25016ATA00A
Serial Peripheral Interface
8k EEPROM (1024-word × 8-bit)
16k EEPROM (2048-word × 8-bit)
Electrically Erasable and Programmable Read Only Memory
REJ03C0385-0100
Rev.1.00
Jul.22.2009
Description
R1EX25xxx Series is the Serial Peripheral Interface compatible (SPI) EEPROM (Electrically Erasable and
Programmable ROM). It realizes high speed, low power consumption and a high level of reliability by employing
advanced MONOS memory technology and CMOS process and low voltage circuitry technology. It also has a 32-byte
page programming function to make it’s write operation faster.
Note: Renesas Technology’s serial EEPROM are authorized for using consumer applications such as cellular phones,
camcorders, audio equipments. Therefore, please contact Renesas Technology’s sales office before using
industrial applications such as automotive systems, embedded controllers, and meters.
Features
? Single supply: 1.8 V to 5.5 V
? Serial Peripheral Interface compatible (SPI bus)
? SPI mode 0 (0,0), 3 (1,1)
? Clock frequency: 5 MHz (2.5 V to 5.5 V), 3 MHz (1.8 V to 5.5 V)
? Power dissipation:
? Standby: 3 μ A (max)
? Active (Read): 2.5 mA (max)
? Active (Write): 3.0 mA (max)
? Automatic page write: 32-byte/page
? Write cycle time: 5 ms (2.5 V min), 8 ms (1.8 V min)
? Endurance: 1,000k Cycles @25 °C
? Data retention: 100 Years @25 °C
? Small size packages: SOP-8pin, TSSOP-8pin
? Shipping tape and reel
? TSSOP-8pin: 3,000 IC/reel
? SOP-8pin: 2,500 IC/reel
? Temperature range: ? 40 to + 85 ° C
? Lead free product.
REJ03C0385-0100 Rev.1.00 Jul.22.2009
Page 1 of 20
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