參數(shù)資料
型號(hào): STCN75
廠商: 意法半導(dǎo)體
元件分類: 溫度/濕度傳感器
英文描述: Digital temperature sensor and thermal watchdog
中文描述: 數(shù)字溫度傳感器和熱看門狗
文件頁(yè)數(shù): 29/35頁(yè)
文件大?。?/td> 194K
代理商: STCN75
STCN75
DC and AC parameters
29/35
Figure 15.
Bus timing requirements sequence
Table 13.
AC characteristics
Sym
Parameter
(1)
1.
Valid for ambient operating temperature: T
A
= –55 to 125°C; V
DD
= 2.7V to 5.5V (except where noted).
T
ransmitter must internally provide a hold time to bridge the undefined region (300ns max) of the falling
edge of SCL
Min
Max
Unit
f
SCL
SCL clock frequency
0
400
kHz
t
BUF
Time the bus must be free before a new transmission can start
1.3
μs
t
F
SDA and SCL fall time
300
ns
t
HD:DAT(2)
2.
Data hold time
0
μs
t
HD:STA
START condition hold time
(after this period the first clock pulse is generated)
600
ns
t
HIGH
Clock high period
600
ns
t
LOW
Clock low period
1.3
μs
t
R
SDA and SCL rise time
300
ns
t
SU:DAT
Data setup time
100
ns
t
SU:STA
START condition setup time
(only relevant for a repeated start condition)
600
ns
t
SU:STO
STOP condition setup time
600
ns
AI00589
SDA
P
tSU:STO
tSU:STA
tHD:STA
SR
SCL
tSU:DAT
tF
tHD:DAT
tR
tHIGH
tLOW
tHD:STA
tBUF
S
P
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