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Preliminary Datasheet
R1EX24512BSAS0A
R1EX24512BTAS0A
Two-wire serial interface
512k EEPROM (64-kword × 8-bit)
R10DS0025EJ0001
Rev.0.01
Sep, 01, 2010
Description
R1EX24xxx series are two-wire serial interface EEPROM (Electrically Erasable and Programmable ROM). They
realize 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. They also have a 128-byte page programming
function to make their write operation faster.
Note: Renesas Electronics’ serial EEPROM are authorized for using consumer applications such as cellular phone,
camcorders, audio equipment. Therefore, please contact Renesas Electronics’ sales office before using
industrial applications such as automotive systems, embedded controllers, and meters.
Features
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Single supply: 1.8 V to 5.5 V
Two-wire serial interface (I 2 C serial bus)
Clock frequency: 1 MHz (2.5 V to 5.5 V) / 400 kHz (1.8 V to 5.5 V)
Power dissipation:
? Standby: 2 μ A (max)
? Active (Read): 1 mA (max)
? Active (Write): 5 mA (max)
Automatic page write: 128-byte/page
Write cycle time: 5 ms
Endurance: 1,000k Cycles @25 ° C
Data retention: 100 Years @25 ° C
Small size packages: SOP-8pin , TSSOP 8-pin
Shipping tape and reel
? SOP 8-pin: 2,500 IC/reel
? TSSOP 8-pin: 3,000 IC/reel
Temperature range: ? 40 to +85 ° C
Lead free products.
Preliminary: The specifications of this device are subject to change without notice. Please contact your nearest
Renesas Electronics’ Sales Dept. regarding specifications.
R10DS0025EJ0001 Rev.0.01
Sep, 01, 2010
Page 1 of 17
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