Notice
1.
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“Standard”:
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
(Note 1) “Renesas Electronics” as used in this document means Renesas Electronics Corporation and also includes its majority-
owned subsidiaries.
(Note 2) “Renesas Electronics product(s)” means any product developed or manufactured by or for Renesas Electronics.
R1EX24002ASAS0A
R1EX24002ATAS0A
Two-wire serial interface
2k EEPROM (256-word
×
8-bit)
REJ03C0354-0101
Rev.1.01
Jan. 9, 2009
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 MNOS memory technology and CMOS process and low voltage circuitry technology. They
also have a 16-byte page programming function to make their write operation faster.
Note: Renesas Technology’s serial EEPROM are authorized for using consumer applications such as
cellular phone, camcorders, audio equipment. 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
Two-wire serial interface (I
2
C serial bus)
Clock frequency: 400 kHz
Power dissipation:
Standby: 2
µA
(max)
Active (Read): 1 mA (max)
Active (Write): 2.5 mA (max)
Automatic page write: 16-byte/page
Write cycle time: 5 ms
Endurance: 1,000k Cycles @25°C
Data retention: 100 Years @25°C
•
•
•
•
REJ03C0354-0101
Page 1 of
22
Rev.1.01
Jan.9, 2009
RF/Wirelessly
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