STTS752E STMICROELECTRONICS [STMicroelectronics], STTS752E Datasheet - Page 31

• Manufacturer Part Number: STTS752E
• Description: Digital temperature sensor and thermal watchdog
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Figure 16. Bus timing requirements sequence
Table 15.
1. Valid for ambient operating temperature: T
2. Transmitter must internally provide a hold time to bridge the undefined region (300ns max) of the falling
3. For SMBus compatibility STTS75 supports bus timeout. Holding the SDA line low for a period greater than
t
t
HD:DAT
TIME-OUT
t
t
t
t
SU:STO
HD:STA
SU:DAT
SU:STA
t
Sym
t
edge of SCL.
timeout duration will cause STTS75 to reset the SDA line to the state of serial bus communication (SDA
high).
f
t
HIGH
LOW
BUF
SCL
t
t
F
R
SDA
SCL
(2)
SCL clock frequency
Time the bus must be free before a new transmission can start
SDA and SCL fall time
Data hold time
START condition hold time (after this period the first clock pulse is
generated)
Clock high period
Clock low period
SDA and SCL rise time
Data setup time
START condition setup time (only relevant for a repeated start
condition)
STOP condition setup time
SDA low time for reset of serial interface
tBUF
AC characteristics
P
S
tHD:STA
tR
Parameter
tLOW
A
tHIGH
= –55 to 125°C; V
tF
(1)
(3)
tHD:DAT
tSU:DAT
DD
= 2.7V to 5.5V (except where noted).
SR
tSU:STA
tHD:STA
Min
600
600
100
600
600
1.3
1.3
75
0
P
Max Unit
AI00589
400
300
300
325
0.9
tSU:STO
31/38
kHz
µs
ns
µs
ns
ns
µs
ns
ns
ns
ns
ns