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參數資料
| 型號： | AFBR-5710ALZ |
| 元件分類： | 光收發(fā) |
| 英文描述： | FIBER OPTIC TRANSCEIVER, 830-860nm, 1250Mbps(Tx), PANEL MOUNT, LC CONNECTOR |
| 封裝： | ROHS COMPLIANT |
| 文件頁數： | 15/20頁 |
| 文件大?。?/td> | 334K |
| 代理商： | AFBR-5710ALZ |
4
Functional I/O
The AFBR-571xZ accepts industry standard differential
signals such as LVPECL and CML within the scope of the
SFP MSA. To simplify board requirements, transmitter
bias resistors and ac coupling capacitors are
incorporated, per SFF-8074i, and hence are not required
on the host board. The module is AC-coupled and
internally terminated.
Figure 3 illustrates a recommended interface circuit to
link the AFBR-571xZ to the supporting Physical Layer
integrated circuits.
Timing diagrams for the MSA compliant control signals
implemented in this module are depicted in Figure 6.
The AFBR-571xZ interfaces with the host circuit board
through twenty I/O pins (SFP electrical connector)
identified by function in Table 2. The AFBR-571xZ high
speed transmit and receive interfaces require SFP MSA
compliant signal lines on the host board. The Tx_Disable,
Tx_Fault, and Rx_LOS lines require TTL lines on the host
board (per SFF-8074i) if used. If an application chooses
not to take advantage of the functionality of these pins,
care must be taken to ground Tx_Disable (for normal
operation).
Figure 3. Typical application configuration.
LASER DRIVER
& EYE SAFETY
CIRCUITRY
50
50
SO1+
SO1–
AMPLIFICATION
&
QUANTIZATION
50
50
SI1+
SI1–
VREFR
TBC
EWRAP
RBC
RX_RATE
RX_LOS
GPIO(X)
GP14
TX_FAULT
GP04
SYNC
LOOP
SYN1
RC1(0:1)
RFCT
TX[0:9]
RX[0:9]
TX_FAULT
TX_DISABLE
VEET
RD+
RD–
RX_LOS
MOD_DEF2
EEPROM
MOD_DEF1
MOD_DEF0
REF_RATE
NOTE: * 4.7 k
< RES < 10 k
VCCT,R
125 MHz
AVAGO
AFBR-571xZ
VCCT
1 H
10 F
0.1 F
VCCT,R
VCCR
10
F
0.1
F
0.1
F
AVAGO
HDMP-1687
R
RCM0
C
REFCLK
MAC
ASIC
*RES
VEER
TD+
TD–
C
R
*RES
HOUSING
GROUND
*RES
Digital Diagnostic Interface and Serial Identification
(EEPROM)
The entire AFBR-571xZ family complies with the SFF-
8074i SFP specification. The AFBR-5715Z family further
complies with SFF-8472, the SFP specification for Digital
Diagnostic Monitoring Interface. Both specifications can
be found at http://www.sffcommittee.org.
The AFBR-571xZ features an EEPROM for Serial ID, which
contains the product data stored for retrieval by host
equipment. This data is accessed via the 2-wire serial
EEPROM protocol of the ATMEL AT24C01A or similar, in
compliance with the industry standard SFP Multi-Source
Agreement. The base EEPROM memory, bytes 0-255 at
memory address 0xA0, is organized in compliance with
SFF-8074i. Contents of this serial ID memory are shown
in Table 10.
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