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STLED325 датащи(PDF) 36 Page - STMicroelectronics

номер детали STLED325
подробное описание детали  Standby power management to host
PDF  62 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STLED325 датащи(HTML) 36 Page - STMicroelectronics

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Electrical ratings
STLED325
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Doc ID 17576 Rev 1
)
Note:
The transmitter must internally provide a hold time to bridge the undefined region (300ns
max) of the falling edge of the SCL.
Table 15.
Power supply characteristics (TA = -40 to 85°C)
Symbol
Parameter
Test conditions
Min
Typ
Max
Unit
ICC
Operating power supply
current
All blocks of chip ON except
that no display load
VCC = 5.5V
TBD
mA
ICC(Q)
Quiescent supply current
Display OFF
VCC = 5.5V
2mA
Table 16.
Dynamic switching characteristics (TA = -40 to +85 °C, VCC = 5.0V ± 10%,
GND=0.0V, Typical values are at 25°C)
Symbol
Parameter
Min
Typ
Max
Units
fSCL
SCL clock frequency
0
400
kHz
tLOW
Clock low period
1.3
µs
tHIGH
Clock high period
600
ns
tR
SDA and SCL rise time
300
ns
tF
SDA and SCL fall time
300
ns
tHD:STA
START condition hold time
(after this period the first clock pulse is
generated)
600
ns
tSU:STA
START condition setup time
(only relevant for a repeated start condition)
600
ns
tSU:DAT
Data setup time*
100
ns
tHD:DAT
Data hold time
0
µs
tSU:STO
STOP condition setup time
600
ns
tBUF
Time the bus must be free before a new
transmission can start
1.3
µs
trec
Watchdog output pulse width
96
98
ms



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