DS1876T+TR MAXIM [Maxim Integrated Products], DS1876T+TR Datasheet - Page 10
DS1876T+TR
Manufacturer Part Number
DS1876T+TR
Description
SFP Controller with Dual LDD Interface
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet
1.DS1876TTR.pdf
(69 pages)
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SFP Controller with Dual LDD Interface
10
8, 18, 21
PIN
_____________________________________________________________________________________
10
11
12
13
1
2
3
4
5
6
7
9
RSELOUT
TXDOUT1
TXFOUT
PMON2
BMON2
PMON1
NAME
TXD1
RSEL
TXF1
GND
SDA
SCL
IN1
Rate-Select Output
I
I
Transmit Fault Output, Open
Drain
Transmit Fault Input 1
Digital Input. General-purpose
input, AS1 in SFF-8079, or RS1
in SFF-8431.
Transmit Disable Input 1
Ground Connection
Rate-Select Input
Transmit Disable Output 1
External Monitor Input PMON2
and HTXP2/LTXP2 Quick Trip
External Monitor Input BMON2
and HBATH2 Quick Trip
External Monitor Input PMON1
and HTXP1/LTXP1 Quick Trip
2
2
C Serial-Clock Input
C Serial-Data Input/Output
TOP VIEW
*EXPOSED PAD.
FUNCTION
REFIN
TXD2
APC2
APC1
OUT1
TXF2
V
CC
22
23
24
25
26
27
28
21
1
(5mm
+
20
2
THIN QFN
×
19
3
5mm
DS1876
18
4
×
17
5
0.8mm)
16, 26
PIN
*EP
16
6
14
15
17
19
20
22
23
24
25
27
28
—
15
7
14
13
12
11
10
9
8
TXDOUT2
BMON1
NAME
MOD2
MOD1
REFIN
APC2
APC1
OUT1
TXD2
TXF2
BMON1
PMON1
BMON2
PMON2
TXDOUT1
RSEL
GND
N.C.
V
EP
CC
External Monitor Input BMON1
and HBATH1 Quick Trip
No Connection
Power-Supply Input
Transmit Disable Output 2
MOD2 DAC, Delta-Sigma Output
MOD1 DAC, Delta-Sigma Output
Reference Input for DAC1 and
DAC2
Transmit Disable Input 2
APC2 DAC, Delta-Sigma Output
APC1 DAC, Delta-Sigma Output
Transmit Fault Input 2
Digital Output. General-purpose
output, AS1 output in SFF-8079,
or RS1 output in SFF-8431.
Exposed Pad (Connect to GND)
Pin Configuration
Pin Description
FUNCTION
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