MCP98242T-BE/MCBAC Microchip Technology, MCP98242T-BE/MCBAC Datasheet - Page 4

• Manufacturer Part Number: MCP98242T-BE/MCBAC
• Description: JEDEC DIMM Serial Output Temp Sensor + SPD EEPROM 8 DFN 2X3mm T/R
• Manufacturer: Microchip Technology

Specifications of MCP98242T-BE/MCBAC

• Function: Temp Monitoring System (Sensor)
• Topology: ADC (Sigma Delta), Register Bank
• Sensor Type: Internal
• Sensing Temperature: -40°C ~ 125°C
• Output Type: I²C™/SMBus™
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-DFN
• Full Temp Accuracy: +/- 2 C
• Digital Output - Bus Interface: Serial (2-Wire, I2C)
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MCP98242
SENSOR AND EEPROM SERIAL INTERFACE TIMING SPECIFICATIONS
TIMING DIAGRAM
DS21996B-page 4
0
Electrical Specifications: Unless otherwise indicated, V
C
2-Wire I
Serial Port Frequency
Low Clock
High Clock
Rise Time
Fall Time
Data Setup Before SCLK High
Data Hold After SCLK Low
Start Condition Setup Time
Start Condition Hold Time
Stop Condition Setup Time
Bus Idle
Time Out
L
= 80 pF, and all limits measured to 50% point.
Start Condition
2
C/SMBus-Compatible Interface
Parameters
t
t
t
SU-START
t
t
SU-STOP
SU-DATA
t
H-START
B_FREE
H-DATA
t
Sym
t
t
HIGH
LOW
OUT
f
t
SC
t
R
F
Min
250
300
4.7
4.0
4.7
4.0
4.0
4.7
10
25
—
—
Typ
40
—
—
—
—
—
—
—
—
—
—
—
Data Transmission
DD
= 3.0V to 3.6V, GND = Ground, T
1000
Max
100
300
—
—
—
—
—
—
—
—
50
Units
kHz
ms
µs
µs
ns
ns
ns
ns
µs
µs
µs
µs
I
(V
0.15V)
(V
0.15V)
Temp. Sensor Only (characterized
but not production tested)
2
C/SMBus
IL MAX
IH MIN
© 2008 Microchip Technology Inc.
+ 0.15V) to (V
- 0.15V) to (V
Conditions
A
= -20°C to +125°C,
Stop Condition
IH MIN
IL MAX
+
-