STTS424BDA3E STMICROELECTRONICS [STMicroelectronics], STTS424BDA3E Datasheet

no-image

STTS424BDA3E

Manufacturer Part Number
STTS424BDA3E
Description
Memory module temperature sensor
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
Features
Temperature sensor
Two-wire bus
Packages
a. Contact local ST sales office for availability.
August 2007
For further information contact your local STMicroelectronics sales office.
Temperature sensor compliant with JEDEC
JC42.4
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
2-Wire SMBus/I
Supports up to 100kHz transfer rate
2mm x 3mm DFN8, height: 0.85mm (typ)
4.4mm x 3mm TSSOP8
Halogen-free, lead-free
2
C -compatible serial interface
(a)
Memory module temperature sensor
Rev 1
TSSOP8 (DW)
4.4mm x 3mm
2mm x 3mm
DFN8 (DA)
STTS424
Data Brief
www.st.com
1/7
1

Related parts for STTS424BDA3E

STTS424BDA3E Summary of contents

Page 1

Features ■ Temperature sensor compliant with JEDEC JC42.4 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 ...

Page 2

Description The STTS424 is targeted for DIMM modules in Mobile Personal Computing Platforms (Laptops), Server Memory Modules, and other industrial applications. The thermal sensor (TS) in the STTS424 is fully compliant to the JEDEC 42.4 specification which defines Memory Module ...

Page 3

Figure 1. Logic diagram (1) SDA SCL SDA and EVENT are open drain. Table 1. Signal names Pin Symbol 1 A0 Serial Bus Address selection pin. Can be tied ...

Page 4

Figure 2. Connections (DFN8 and TSSOP8) 1. SDA and EVENT are open drain. Figure 3. Block diagram 4 GND Temperature Sensor ADC Capability ...

Page 5

Part numbering Table 2. Ordering information scheme Example: Device type STTS424 Grade C: Maximum accuracy 75°C to 95°C = ± 2°C B: Maximum accuracy 75°C to 95°C = ± 1°C Package DA = DFN8 (2mm x 3mm TSSOP8 ...

Page 6

Revision history Table 3. Revision history Date Revision 03-Aug-2007 6/7 1 Initial release. Changes ...

Page 7

Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any ...

Related keywords