STTS424E02| Datasheet

STTS424E02, STTS424E02BDA6F, STTS424E02BDW6F, STTS424E02CDA6F, STTS424E02CDW6F

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STTS424E02
Memory module temperature sensor with a 2Kb SPD EEPROM
Data Brief

Features

Temperature sensor compliant with JEDEC JC42.4, integrated with 2Kbit Serial Presence Detect (SPD) EEPROM.

Temperature sensor

Temperature sensor resolution: 0.25 C (typ)/LSB Temperature sensor accuracy: 1 C from +75 C to +95 C 2 C from +40 C to +125 C 3 C from 40 C to +125 C ADC conversion time: 125ms (max) Supply voltage: 2.7V to 3.6 V Maximum operating supply current: 200uA Hysteresis selectable set points from: 0, 1.5, 3, 6.0 C Ambient temperature sensing range: -40 C to +125 C

DFN8 (DA) 2mm x 3mm

TSSOP8 (DW) 4.4mm x 3mm

Two-wire bus 2Kb SPD EEPROM

2-Wire SMBus/I2C -compatible serial interface Supports up to 100kHz transfer rate

Functionality identical to ST's M34E02 SPD EEPROM Permanent and reversible software data protection for the lower 128 bytes Single supply voltage: 2.7V to 3.6V Byte and page write (up to 16 bytes) Self-time WRITE cycle (5ms, max) Automatic address incrementing More than 1 million erase/WRITE cycles Operating temperature range: -40 C to +85 C

Packages

2mm x 3mm DFN8, height: 0.85mm (typ) 4.4mm x 3mm TSSOP8(a) Halogen-free, lead-free

a. Contact local ST sales office for availability.

August 2007

Rev 1

1/7
www.st.com 1

For further information contact your local STMicroelectronics sales office.