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DS1876 Datasheet(PDF) 7 Page - Maxim Integrated Products

Part # DS1876
Description  SFP Controller with Dual LDD Interface
PDF  69 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

DS1876 Datasheet(HTML) 7 Page - Maxim Integrated Products

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_______________________________________________________________________________________ 7
SFP Controller with Dual LDD Interface
DIGITAL THERMOMETER CHARACTERISTICS
(VCC = +2.85V to +3.9V, TA = -40NC to +95NC, unless otherwise noted.)
AC ELECTRICAL CHARACTERISTICS
(VCC = +2.85V to +3.9V, TA = -40NC to +95NC, unless otherwise noted.)
QUICK-TRIP TIMING CHARACTERISTICS
(VCC = +2.85V to +3.9V, TA = -40NC to +95NC, unless otherwise noted.)
I2C AC ELECTRICAL CHARACTERISTICS
(VCC = +2.85V to +3.9V, TA = -40NC to +95NC, timing referenced to VIL(MAX) and VIH(MIN), unless otherwise noted. See the I2C
Communication section.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Thermometer Error
TERR
-40NC to +95NC
-3
+3
N
C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
TXD_ Enable
tOFF
From
↑ TXD_
5
F
s
Recovery from TXD_ Disable
(Figure 2)
tON
From
↓ TXD_
1
ms
Fault Reset Time (to TXFOUT = 0)
tINITR1
From
↓ TXD_
131
ms
tINITR2
On power-up or
↓ TXD_, when VCC LO
alarm is detected (Note 5)
161
Fault Assert Time (to TXFOUT = 1)
tFAULT
After HTXP_, LTXP_, HBATH_
1.6
10.5
F
s
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Output-Enable Time Following POA
tINIT
20
ms
Sample Time per Quick-Trip
Comparison
tREP
1.6
F
s
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SCL Clock Frequency
fSCL
(Note 6)
0
400
kHz
Clock Pulse-Width Low
tLOW
1.3
F
s
Clock Pulse-Width High
tHIGH
0.6
F
s
Bus Free Time Between STOP and
START Condition
tBUF
1.3
F
s
START Hold Time
tHD:STA
0.6
F
s
START Setup Time
tSU:STA
0.6
F
s
Data Out Hold Time
tHD:DAT
0
0.9
F
s
Data In Setup Time
tSU:DAT
100
ns
Rise Time of Both SDA and SCL
Signals
tR
(Note 7)
20 +
0.1CB
300
ns
Fall Time of Both SDA and SCL
Signals
tF
(Note 7)
20 +
0.1CB
300
ns
STOP Setup Time
tSU:STO
0.6
F
s
Capacitive Load for Each Bus Line
CB
400
pF
EEPROM Write Time
tWR
(Note 8)
20
ms



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