STCN75M2E STMicroelectronics, STCN75M2E Datasheet - Page 22

• Manufacturer Part Number: STCN75M2E
• Description: IC TEMP SENSOR DIGITAL SO-8
• Manufacturer: STMicroelectronics

Specifications of STCN75M2E

• Featured Product: STM32 Cortex-M3 Companion Products
• Function: Temp Sensor, Watchdog
• Topology: ADC (Sigma Delta), Comparator, Register Bank
• Sensor Type: Internal
• Sensing Temperature: -55°C ~ 125°C
• Output Type: I²C™/SMBus™
• Output Alarm: Yes
• Output Fan: No
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Full Temp Accuracy: +/- 3 C
• Digital Output - Bus Interface: Serial (2-Wire, I2C)
• Digital Output - Number Of Bits: 9 bit
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 55 C
• Ic Output Type: Digital
• Sensing Accuracy Range: ± 0.5°C
• Temperature Sensing Range: -55°C To +125°C
• Supply Current: 125µA
• Supply Voltage Range: 2.7V To 5.5V
• Sensor Case Style: SOIC
• No. Of Pins: 8
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Functional description
Figure 8.
Figure 9.
Figure 10. Typical 1-byte READ from the cofiguration register with preset pointer
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Master
Start
Master
by
Start
Repeat
Master
by
Start
by
1
1
1
1
Typical 2-byte READ from preset pointer location (e.g. temp - T
Typical pointer set followed by an immediate READ for 2-byte register (e.g. temp)
1
1
0
0
Address Byte
0
0
Address Byte
0
Address Byte
0
1
1
A2 A1 A0 R/W
1
A2 A1 A0 R/W
Master
A2 A1 A0 R/W
Start
by
1
1
STCN75
0
STCN75
ACK
by
9
STCN75
Address Byte
ACK
0
by
9
ACK
by
9
1
0
1
D7 D6 D5 D4 D3 D2 D1 D0
1
D7 D6 D5 D4 D3 D2 D1 D0
Most Significant Data Byte
1
0
A2 A1 A0 R/W
Most Significant Data Byte
0
Pointer Byte
Doc ID 13307 Rev 8
0
0
STCN75
ACK
0
by
9
D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
1
STCN75
ACK
Master
by
9
ACK
Master
by
9
ACK
Data Byte
by
9
D7 D6 D5 D4 D3 D2 D1 D0
1
Least Significant Data Byte
D7 D6 D5 D4 D3 D2 D1 D0
1
Least Significant Data Byte
No ACK
Master
by
9
OS
Master
, T
Cond.
Stop
by
No ACK
Master
HYS
No ACK
Master
by
9
by
9
)
Master
Cond.
Stop
Master
by
Cond.
Stop
by
STCN75
AI12228
AI12227
AI12229