STTS424E02 Datasheet, PDF (1/7 Pages) STMicroelectronics – Memory module temperature sensor with a 2Kb SPD EEPROM

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: 200µA
■ 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
2Kb SPD EEPROM
■ 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
Two-wire bus
■ 2-Wire SMBus/I²C -compatible serial interface
■ Supports up to 100kHz transfer rate
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
For further information contact your local STMicroelectronics sales office.
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www.st.com
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