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MPR081 датащи(PDF) 3 Page - Freescale Semiconductor, Inc

номер детали MPR081
подробное описание детали  Touch Pad Controller
PDF  22 Pages
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производитель  FREESCALE [Freescale Semiconductor, Inc]
домашняя страница  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MPR081 датащи(HTML) 3 Page - Freescale Semiconductor, Inc

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MPR081
Sensors
Freescale Semiconductor
3
Table 5. I2C AC Characteristics
(Typical Operating Circuit, V+ = 1.8 V to 3.6 V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at V+ = 3.3 V, TA = +25°C.)
Characteristic
Symbol
Min
Typ
Max
Units
Serial Clock Frequency
fSCL
——
400
kHz
Bus Timeout
FTIMEOUT
31.25
ms
Bus Free Time Between a STOP and a START
Condition
tBUF
1.3
µs
Hold Time, (Repeated) START Condition
tHD, STA
0.6
µs
Repeated START Condition Setup Time
tSU, STA
0.6
µs
STOP Condition Setup Time
tSU, STO
0.6
µs
Data Hold Time
tHD, DAT
——
0.9
µs
Data Setup Time
tSU, DAT
100
ns
SCL Clock Low Period
tLOW
1.3
µs
SCL Clock High Period
tHIGH
0.7
µs
Rise Time of Both SDA and SCL Signals,
Receiving
tR
20+0.1Cb
300
ns
Fall Time of Both SDA and SCL Signals,
Receiving
tF
20+0.1Cb
300
ns
Fall Time of SDA Transmitting
tF.TX
20+0.1Cb
250
ns
Pulse Width of Spike Suppressed
tSP
—50—
ns
Capacitive Load for Each Bus Line
Cb
——
400
pF



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