FM75 Fairchild Semiconductor, FM75 Datasheet - Page 4

• Manufacturer Part Number: FM75
• Description: Low Voltage 2-Wire Digital Temperature Sensor with Thermal Alarm
• Manufacturer: Fairchild Semiconductor

FM75
Serial Port Timing
4
Parameter
SCL Clock Period
SCL Clock Transition Time
SCL Clock Low Period
SCL Clock High Period
Bus free time between a Stop and
a new Start Condition
Data in Set-up to SCL High
Data Out Stable after SCL Low
SCL Low Set-up to SDA Low
(Repeated Start Condition)
SCL High Hold after SDA Low
(Start Condition)
SDA High after SCL High
(Stop Condition
Time in which a FM75 must be
operational after a power-on reset
Data In
SDA
SCL
t
HD:STA
Data Out
t
BUF
SDA
SCL
t
T:LH
Symbol
t
t
t
t
t
HD:DAT
HD:STA
SU:STO
SU:DAT
SU:STA
t
t
t
t
t
HIGH
LOW
POR
BUF
SCL
, t
T:HL
t
t
SCL
LOW
t
SU:DAT
Conditions
t
HIGH
t
SU:STA
t
T:LH
10%
90%
t
HD:DAT
0.470
0.400
Min.
100
100
100
100
1.0
1.0
0
90%
10%
t
T:HL
Typ.
PRODUCT SPECIFICATION
Max.
100
300
500
REV. 1.0.4 10/3/02
50
t
SU:STO
Units
ms
µs
ns
µs
µs
µs
ns
ns
ns
ns
ns