DS1878T+T Maxim Integrated Products, DS1878T+T Datasheet - Page 7
DS1878T+T
Manufacturer Part Number
DS1878T+T
Description
Current Mode PWM Controllers SFP+ Controller w/ MAX3946&3945
Manufacturer
Maxim Integrated Products
Datasheet
1.DS1878TTR.pdf
(98 pages)
Specifications of DS1878T+T
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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DIGITAL THERMOMETER CHARACTERISTICS
(V
AC ELECTRICAL CHARACTERISTICS
(V
CONTROL LOOP AND QUICK-TRIP TIMING CHARACTERISTICS
(V
3-WIRE DIGITAL INTERFACE SPECIFICATION
(V
Output-Enable Time Following POA
Binary Search Time
Thermometer Error
TXD Enable
Recovery from TXD Disable
Fault Reset Time
(to TXFOUT = 0)
Fault Assert Time
(to TXFOUT = 1)
LOSOUT Assert Time
LOSOUT Deassert Time
SCLOUT Clock Frequency
SCLOUT Duty Cycle
SDAOUT Setup Time
SDAOUT Hold Time
CSEL1OUT, CSEL2OUT Pulse-
Width Low
CSEL1OUT, CSEL2OUT Leading
Time Before the First SCLOUT
Edge
CSEL1OUT, CSEL2OUT Trailing
Time After the Last SCLOUT
Edge
SDAOUT, SCLOUT Load
CC
CC
CC
CC
= +2.85V to +5.5V, T
= +2.85V to +5.5V, T
= +2.85V to +5.5V, T
= +2.85V to +5.5V, T
PARAMETER
PARAMETER
PARAMETER
PARAMETER
SFP+ Controller with Digital LDD Interface
_______________________________________________________________________________________
A
A
A
A
= -40°C to +95°C, unless otherwise noted.)
= -40°C to +95°C, unless otherwise noted.)
= -40°C to +95°C, unless otherwise noted.)
= -40°C to +95°C, timing referenced to V
t
SYMBOL
SYMBOL
SYMBOL
t
SYMBOL
LOSS_OFF
t
LOSS_ON
f
SEARCH
t
t
SCLOUT
t
t
C
INITR1
INITR2
T
FAULT
t
3WDC
t
t
t
t
CSW
INIT
t
OFF
ERR
B3W
ON
DH
DS
t
t
L
T
(Note 7)
(Note 11)
-40°C to +95°C
From rising TXD to rising TXDOUT
From falling TXD to falling TXDOUT
From falling TXD
On power-up or falling TXD, when VCC LO
alarm is detected (Note 7)
After HTXP, LTXP, HBATH, IBIASMAX
(Note 8)
LLOS (Notes 8, 9)
HLOS (Notes 8, 10)
Total bus capacitance on one line
CONDITIONS
CONDITIONS
CONDITIONS
CONDITIONS
IL(MAX)
and V
IH(MIN)
, unless otherwise noted.) (Figure 17)
MIN
MIN
MIN
MIN
100
100
500
500
500
6.4
6.4
6.4
-3
8
TYP
TYP
TYP
TYP
131
161
833
20
50
MAX
MAX
MAX
MAX
10
+3
55
55
55
10
5
5
Samples
UNITS
UNITS
UNITS
UNITS
BIAS
kHz
ms
ms
°C
μs
μs
μs
μs
μs
ns
ns
ns
ns
ns
pF
%
7
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