tcn75a Microchip Technology Inc., tcn75a Datasheet - Page 4

• Manufacturer Part Number: tcn75a
• Description: 2-wire Serial Temperature Sensor
• Manufacturer: Microchip Technology Inc.

TCN75A
SERIAL INTERFACE TIMING SPECIFICATIONS (NOTE 1)
Timing Diagram
DS21935C-page 4
Electrical Specifications: Unless otherwise indicated, V
C
2-Wire I
Serial Port Frequency
Clock Period
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 Idle
Note 1:
L
= 80 pF and all limits measured to 50% point.
2
C™ Compatible Interface
Parameters
Specification limits are characterized but not product tested.
Start Condition
t
t
t
SU-START
t
SU-STOP
SU-DATA
t
H-START
t
H-DATA
B-FREE
t
Sym
t
HIGH
LOW
f
t
SC
SC
t
t
R
F
Min
2.5
1.3
0.6
0.1
0.6
0.6
0.6
1.3
20
20
0
0
Data Transmission
Typ
—
—
—
—
—
—
—
—
—
—
—
—
DD
= 2.7V to 5.5V, GND = Ground, T
Max
400
300
300
—
—
—
—
—
—
—
—
—
Units
kHz
μs
μs
μs
μs
μs
μs
μs
μs
μs
ns
ns
10% to 90% of V
90% to 10% of V
© 2006 Microchip Technology Inc.
Stop Condition
Conditions
A
= -40°C to +125°C,
DD
DD
(SCL, SDA)
(SCL, SDA)