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R1EX24256BSAS0A Datasheet

Two-wire serial interface 256k EEPROM

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R1EX24256BSAS0A
R1EX24256BTAS0A
Two-wire serial interface
256k EEPROM (32-kword × 8-bit)
Datasheet
R10DS0005EJ0100
Rev.1.00
Aug. 04, 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 64-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
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): 3 mA (max)
Automatic page write: 64-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-8pin
Shipping tape and reel
TSSOP 8-pin: 3,000 IC/reel
SOP 8-pin: 2,500 IC/reel
Temperature range: 40 to +85°C
Lead free products.
R10DS0005EJ0100 Rev.1.00
Aug. 04, 2010
www.DataSheet.in
Page 1 of 16


Renesas Electronics Components Datasheet

R1EX24256BSAS0A Datasheet

Two-wire serial interface 256k EEPROM

No Preview Available !

R1EX24256BSAS0A/R1EX24256BTAS0A
Ordering Information
Type No.
R1EX24256BSAS0A
Internal organization
256k bit (32768 × 8-bit)
Operating
voltage
1.8 V to 5.5 V
R1EX24256BTAS0A 256k bit (32768 × 8-bit) 1.8 V to 5.5 V
Frequency
400 kHz
400 kHz
Package
150 mil 8-pin plastic SOP
PRSP0008DF-B (FP-8DBV)
Lead free
8-pin plastic TSSOP
PTSP0008JC-B (TTP-8DAV)
Lead free
Pin Arrangement
8-pin SOP/8-pin TSSOP
A0 1
A1 2
A2 3
VSS 4
8
7
6
5
(Top view)
VCC
WP
SCL
SDA
Pin Description
A0 to A2
SCL
SDA
WP
VCC
VSS
Pin name
Function
Device address
Serial clock input
Serial data input/output
Write protect
Power supply
Ground
Block Diagram
VCC
VSS
WP
A0, A1, A2
SCL
SDA
Control
logic
High voltage generator
Memory array
Y-select & Sense amp.
Serial-parallel converter
R10DS0005EJ0100 Rev.1.00
Aug. 04, 2010
www.DataSheet.in
Page 2 of 16


Part Number R1EX24256BSAS0A
Description Two-wire serial interface 256k EEPROM
Maker Renesas Technology
Total Page 18 Pages
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