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BD37068FV-ME2 Folha de dados(PDF) 9 Page - Rohm

Nome de Peças BD37068FV-ME2
Descrição Electrónicos  Sound Processor for car audio built-in High-Voltage function and 2nd order post filter
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Fabricante Electrônico  ROHM [Rohm]
Página de início  http://www.rohm.com
Logo ROHM - Rohm

BD37068FV-ME2 Folha de dados(HTML) 9 Page - Rohm

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BD37068FV-M
TSZ02201-0C2C0E100130-1-2
© 2014 ROHM Co., Ltd. All rights reserved.
14.NOV.2016 Rev.002
www.rohm.com
TSZ22111・15・001
I
2C-bus Control Signal Specification
1.
Electrical specifications and timing for bus lines and I/O stages
Figure 12. Definition of timing on the I
2C-bus
Table 1 Characteristics of the SDA and SCL bus lines for I
2C-bus devices
Parameter
Symbol
Fast-mode I
2C-bus
Unit
Min
Max
1
SCL Clock Frequency
fSCL
0
400
kHz
2
Bus Free time between a STOP and START condition
tBUF
1.3
μsec
3
Hold Time (repeated) START condition. After this period, the first clock
pulse is generated
tHD;STA
0.6
μsec
4
LOW Period of the SCL Clock
tLOW
1.3
μsec
5
HIGH Period of the SCL Clock
tHIGH
0.6
μsec
6
Set-up time for a Repeated START Condition
tSU;STA
0.6
μsec
7
Data Hold Time
tHD;DAT
0*
μsec
8
Data set-up Time
tSU;DAT
100
nsec
9
Set-up Time for STOP Condition
tSU;STO
0.6
μsec
All values referred to VIH min. and VIL max. Levels (see Table 2).
Table 2 Characteristics of the SDA and SCL I/O stages for I
2C-bus devices
Parameter
Symbol
Fast-mode I
2C-bus
Unit
Min
Max
10
LOW level input voltage: Fixed input levels
VIL
-0.5
+1
V
11
HIGH level input voltage: Fixed input levels
VIH
2.3
-
V
12
Pulse width of spikes, which must be suppressed by the input filter.
tSP
0
50
nsec
13
LOW level output voltage (open drain or open collector): At 3mA sink
current
VOL1
0
0.4
V
14
Input current each I/O pin with an input voltage between 0.4V and 0.9
VDD max.
Ii
-10
+10
μA
SCL
SDA
BUF
4 µsec
HD; STA
2 µsec
HD; DAT
1µsec
LOW
3 µsec
HIGH
1 µsec
SU; DAT
1µsec
SU; STO
2 µsec
SDA
S
SCL
tLOW
tHD;DAT
P
tHD;STA
tHIGH
tBUF
tSU;DAT
tSU;STA
T
tSU;STO
T
tSP
tHD;STA
T
Sr
P
Figure 13. I
2C data transmission timing
SCL clock frequency:250kHz


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