R1EX25002ASA00I/R1EX25004ASA00I

R1EX25002ATA00I/R1EX25004ATA00I

Serial Peripheral Interface

2k EEPROM (256-word

× 8-bit)

4k EEPROM (512-word

× 8-bit)

Electrically Erasable and Programmable Read Only Memory

REJ03C0361-0001

Preliminary

Rev.0.01

Feb.21.2008

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 16-byte

page programming function to make it’s write operation faster.

.

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: 2µA (max)

 Active (Read): 2 mA (max)

 Active (Write): 2.5 mA (max)

• Automatic page write: 16-byte/page

• Write cycle time: 5 ms

• Data retention: 10 Years

• 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.

Preliminary: The specifications of this device are subject to change without notice. Please contact your nearest

Renesas Technology's Sales Dept. regarding specifications

REJ03C0361-0001 Rev.0.01 Feb.21.2008

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