sps-34-24t-hp-tdfa Source Photonics, Inc., sps-34-24t-hp-tdfa Datasheet - Page 5

• Manufacturer Part Number: sps-34-24t-hp-tdfa
• Description: 1310/1490 Integrated Diplexer Transceiver
• Manufacturer: Source Photonics, Inc.

Recommended Interface Circuit
Table 5 - Microcontroller Specifications
Operating Voltage
SDA
SCL
a
b
Note A: Output stage in SerDes IC is LVPECL output, R1=130ohm, R2=82ohm, R3=N.C.
Note B: CML output, AC coupled internally.
GPON MAC
I
Clock stretching, as per paragraph 13.2 of the I
2
PON_TX_DISABLE
C SDA and SCL must be open collector or open drain connections.
b
a
Input stage in SerDes IC is CML input, R4=R5=N.C.
Output stage in SerDes IC is CML output, R1=N.C., R3=100ohm.
Input stage in SerDes IC is LVPECL input, R4=82ohm, R5=130ohm
Parameter
PON_LOS
PON_SDA
PON_SCL
4.7~10K
SerDes
(Note A)
(Note B)
+3.3V
Minimum
TXN
RXN
RXP
3.14
TXP
-
-
+3.3V
10uF
2
Figure 2 – Recommended interface circuit
C Bus Standard, must be implemented to operate correctly.
2*R4
2*R5
Typical
+3.3V
3.30
-
-
0.1uF
Z=50
Z=50
Z=50
Z=50
2X1uH
2*R1
2*R2
Maximum
3.46
-
-
10uF
+3.3V
4.7~10K
Unit
SPS-34-24T-HP-TDFA
V
-
-
VeeR (10,11,14)
0.1uF
0.1uF
+3.3V
VeeT (1,17,20)
MOD_ABS (6)
TX_BRST (3)
TX_Fault (2)
RX_LOS (8)
TX_SD (7)
VccR (15)
VccT (16)
RD+ (13)
RD- (12)
TD+ (18)
SDA (4)
TD- (19)
SCL (5)
LVTTL, open collector serial data line from the I
bus to the on board Microcontroller.
LVTTL, open collector serial clock line from the I
bus to the on board Microcontroller. 400kbps max.
data rate.
+3.3V
N.C.
R3
+3.3V
SPS-34-24T-HP-TDFA
Microprocessor
Laser Driver
Notes
(BM)
(CM)
LIA
DS-6284 Rev 01 2010-11-11
Temperature
Supply Voltage
Bias Current
Tx Power
Rx Power
2
2
C
C