BR34L02-W Datasheet, PDF (1/17 Pages) Rohm – 2Kbit Serial I2C BUS EEPROM For SPD DRAM Memory Module

TECHNICAL NOTE
Plug & Play Memory series
2Kbit Serial I2C BUS EEPROM
For SPD DRAM Memory Module
BR34L02-W
●DESCRIPTION
BR34L02-W is 2Kbit Serial I2C BUS Electrically Erasable PROM (based on Serial Presence Detect)
for DRAM Memory Module
●FEATURES
256×8 bit architecture serial EEPROM
Wide operating voltage range (1.7V～5.5V)
Two wire serial interface
High reliability connection of Au pad and Au wire
Self-Timed Erase and Write Cycle
Page Write Function(16byte)
Write Protect Mode
Write Protect 1(Onetime Rom)
: 00h～7Fh
Write Protect 2(Hardwire WP PIN) : 00h～FFh
Low Power consumption
Write ( 5V ) : 1.2mA (Typ.)
Read ( 5V ) : 0.2mA(Typ.)
Standby ( 5V ) : 0.1μA(Typ.)
DATA security
Write protect feature (WP pin)
Inhibit to WRITE at low VCC
Small package ------ SSOP-B8/TSSOP-B8
High reliability fine pattern CMOS technology
Endurance : 1,000,000 erase / write cycles
Data retention : 40 years
Filtered inputs in SCL / SDA for noise suppression
Initial data FFh in all address
●BR34L02-W Series
Capacity
Bit format
2Kbit
256×8
Type
BR34L02-W
Power source voltage SSOP-B8
1.7～5.5V
●
TSSOP-B8
●
Sep.2007