MCP9804 Microchip Technology, MCP9804 Datasheet - Page 5

• Manufacturer Part Number: MCP9804
• Description: Accuracy Digital Temperature Sensor
• Manufacturer: Microchip Technology

SENSOR SERIAL INTERFACE TIMING SPECIFICATIONS
TIMING DIAGRAM
© 2009 Microchip Technology Inc.
Electrical Specifications: Unless otherwise indicated, V
and C
2-Wire SMBus/Standard Mode I
Serial Port Clock Frequency
Low Clock
High Clock
Rise Time
Fall Time
Data Setup Before SCL High
Data Hold After SCL Low
Start Condition Setup Time
Start Condition Hold Time
Stop Condition Setup Time
Bus Free
Time Out
Note:
SDA
SCL
L
START Condition
t
= 80 pF (Note).
SU-START
Parameters
The serial interface specification min./max. limits are specified by characterization (not production tested).
t
H-START
t
OUT
2
C™ Compatible Interface (Note)
t
t
t
t
t
SU-START
HD-START
SU-STOP
SU-DATA
HD-DATA
t
B-FREE
t
Sym
t
t
HIGH
LOW
f
OUT
SC
t
t
R
F
t
SU-DATA
Min
250
300
4.7
4.0
4.7
4.0
4.0
4.7
10
20
—
—
Data Transmission
DD
t
H-DATA
= 2.7V to 5.5V, T
Max
27
—
—
—
—
—
—
—
—
—
—
—
t
HIGH
Units
1000
100
300
35
—
—
—
—
—
—
—
—
A
= -40°C to +125°C, GND = Ground,
t
t
LOW
R
, t
F
MCP9804
Conditions
www.DataSheet4U.com
STOP Condition
t
SU-STOP
kHz
ms
µs
µs
ns
ns
ns
ns
µs
µs
µs
µs
DS22203A-page 5
t
B-FREE