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R1EX24256ATB00I

Renesas Technology
Part Number R1EX24256ATB00I
Manufacturer Renesas Technology
Description Two-wire serial interface 256k EEPROM
Published May 25, 2010
Detailed Description R1EX24256ASA00I R1EX24256ATB00I Two-wire serial interface 256k EEPROM (32-kword × 8-bit) REJ03C0326-0001 Preliminary Rev...
Datasheet PDF File R1EX24256ATB00I PDF File

R1EX24256ATB00I
R1EX24256ATB00I


Overview
R1EX24256ASA00I R1EX24256ATB00I Two-wire serial interface 256k EEPROM (32-kword × 8-bit) REJ03C0326-0001 Preliminary Rev.
0.
01 Jan.
10, 2008 www.
DataSheet4U.
com 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 64-byte page programming function to make their write operation faster.
Features • • • • Single supply: 1.
8 V to 5.
5 V Two-wire serial interface (I2C serial bus) Clock frequency: 400 kHz Power dissipation:  Standby: 2 µA (max)  Active (Read): 1 mA (max)  Active (Write): 5 mA (max) Automatic page write: 64-byte/page Write cycle time: 5 ms Endurance: 106 Cycles Data retention: 10 Years • • • • Preliminary: The specifications of this device are subject to change without notice.
Please contact your nearest Renesas Technology’s Sales Dept.
regarding specifications.
REJ03C0326-0001 Rev.
0.
01 Jan.
10, 2008 Page 1 of 20 R1EX24256Axx00I • Small size packages: SOP-8pin, TSSOP-14pin • Shipping tape and reel  TSSOP 14-pin: 2,000 IC/reel  SOP 8-pin: 2,500 IC/reel • Temperature range: −40 to +85°C • Lead free products.
Ordering Information Type No.
www.
DataSheet4U.
com Internal organization 256k bit (32768 × 8-bit) Operating voltage Frequency 1.
8 V to 5.
5 V 400 kHz Package 150 mil 8-pin plastic SOP PRSP0008DF-B (FP-8DBV) Lead free 14-pin plastic TSSOP PTSP0014JA-C (TTP-14DBV) Lead free R1EX24256ASA00I R1EX24256ATB00I 256k bit (32768 × 8-bit) 1.
8 V to 5.
5 V 400 kHz Pin Arrangement 8-pin SOP A0 A1 A2 VSS 1 2 3 4 8 7 6 5 (Top view) VCC WP SCL SDA A0 A1 NC NC NC A2 VSS 14-pin TSSOP 1 2 3 4 5 6 7 14 13 12 11 10 9 8 (Top view) VCC WP NC NC NC SCL SDA REJ03C0326-0001 Rev.
0.
01 Jan.
10, 2008 Page 2 of 20 R1EX24256Axx00I Pin Description Pin name A0 to A2 SCL SDA WP VCC VSS NC www.
DataSheet4U.
com Function Dev...


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