LMT-MM850
Hightlight Features
Low EMI and excellent ESD protection
Parameter | Symbol | Minimum | Maximum | Units |
Storage Temperature | Tst | -40 | +85 | °C |
Supply Voltage | Vcc | 0 | +3.6 | V |
Operating Relative Humidity | RH | 5 | 95 | % |
Parameter | Symbol | Min | Typical | Max | Units |
Supply Voltage | Vcc | 3.15 | 3.45 | V | |
Operating Case Temperature | Tc | -40 | +85 | °C | |
Power Dissipation | 1 | W |
SFP-TI-AUTO-SERDES Copper Small Form Pluggable (SFP) transceivers are based on the SFP Multi Source Agreement (MSA) . They are compatible with the Gigabit Ethernet and 10/100/1000BASE-T standards as specified in IEEE Std 802.3 .
The SFP-TI-AUTO-SERDES uses the SFP’s RX_LOS pin for link indication. If pull up SFP’s TX_DISABLE pin, IC be reset.
Product part Number | Link Indicator on RX_LOS Pin | Support 10/100/1000base-T | Support SERDES |
SFP-TI-AUTO-SERDES | Yes | Yes | Yes |
Pin | Symbol | Name/Description | Ref. |
1 | VEET | Transmitter Ground (Common with Receiver Ground) | 1 |
2 | TFAULT | Transmitter Fault. Not supported. |
|
3 | TDIS | Transmitter Disable. Laser output disabled on high or open. | 2 |
4 | MOD_DEF(2) | Module Definition 2. Data line for Serial ID. | 3 |
5 | MOD_DEF(1) | Module Definition 1. Clock line for Serial ID. | 3 |
6 | MOD_DEF(0) | Module Definition 0. Grounded within the module. | 3 |
7 | Rate Select | No connection required |
|
8 | LOS | Loss of Signal indication. Logic 0 indicates normal operation. |
|
9 | VEER | Receiver Ground (Common with Transmitter Ground) | 1 |
10 | VEER | Receiver Ground (Common with Transmitter Ground) | 1 |
11 | VEER | Receiver Ground (Common with Transmitter Ground) | 1 |
12 | RD- | Receiver Inverted DATA out. AC Coupled |
|
13 | RD+ | Receiver Non-inverted DATA out. AC Coupled |
|
14 | VEER | Receiver Ground (Common with Transmitter Ground) | 1 |
15 | VCCR | Receiver Power Supply |
|
16 | VCCT | Transmitter Power Supply |
|
17 | VEET | Transmitter Ground (Common with Receiver Ground) | 1 |
18 | TD+ | Transmitter Non-Inverted DATA in. AC Coupled. |
|
19 | TD- | Transmitter Inverted DATA in. AC Coupled. |
|
20 | VEET | Transmitter Ground (Common with Receiver Ground) | 1 |
Notes:
The SFP-TI-AUTO has an input voltage range of 3.3 V +/- 5%. The 4V maximum voltage is not allowed for continuous operation.
+3.3 Volt Electrical Power Interface | ||||||
Parameter | Symbol | Min | Typ | Max | unit | Notes/Conditions |
Supply Current | Is |
| 170 | 300 | mA |
|
Input Voltage | Vcc | 3.13 | 3.3 | 3.47 | V | Referenced to GND |
Maximum Voltage | Vmax |
|
| 4 | V |
|
MOD_DEF(1) (SCL) and MOD_DEF(2) (SDA), are open drain CMOS signals (see section VII, “Serial Communication Protocol”). Both MOD_DEF(1) and MOD_DEF(2) must be pulled up to host_Vcc
Low-Speed Signals, Electronic Characteristics | |||||
Parameter | Symbol | Min | Max | unit | Notes/Conditions |
SFP Output LOW | VOL | 0 | 0.5 | V
| 4.7k to 10k pull-up to host_Vcc, measured at host side of connector |
SFP Output HIGH | VOH | host_Vcc -0.5 | host_Vcc + 0.3 | V
| 4.7k to 10k pull-up to host_Vcc, measured at host side of connector |
SFP Input LOW | VIL | 0 | 0.8 | V | 4.7k to 10k pull-up to Vcc, measured at SFP side of connector |
SFP Input HIGH | VIH | 2 | Vcc + 0.3 | V | 4.7k to 10k pull-up to Vcc, measured at SFP side of connector |
All high-speed signals are AC-coupled internally.
High-Speed Electrical Interface, Transmission Line-SFP | ||||||
Parameter | Symbol | Min | Typ | Max | unit | Notes/Conditions |
Line Frequency | fL | 125 | MHz | 5-level encoding, per IEEE 802.3 | ||
Tx Output Impedance | Zout,TX | 100 | Ohm | Differential, for all frequencies between 1MHz and 125MHz | ||
Rx Input Impedance | Zin,RX | 100 | Ohm | Differential, for all frequencies between 1MHz and 125MHz | ||
High-Speed Electrical Interface, Host-SFP | ||||||
Parameter | Symbol | Min | Typ | Max | unit | Notes/Conditions |
Single ended data input swing | Vinsing | 250 |
| 1200 | mV
| Single ended |
Single ended data output swing | Voutsing | 350 |
| 800 | mV | Single ended |
Rise/Fall Time | Tr,Tf |
| 175 |
| psec | 20%-80% |
Tx Input Impedance | Zin |
| 50 |
| Ohm | Single ended |
Rx Output Impedance | Zout |
| 50 |
| Ohm | Single ended |
General | ||||||
Parameter | Symbol | Min | Typ | Max | unit | Notes/Conditions |
Data Rate | BR | 10 |
| 1000 | Mb/sec | IEEE 802.3 compatible. See Notes 2 through 4 below |
Cable Length | L |
|
| 100 | m | Category 5 UTP. BER |
Notes:
3. Automatic crossover detection is enabled. External crossover cable is not required
Environmental Specifications | ||||||
Parameter | Symbol | Min | Typ | Max | unit | Notes/Conditions |
Operating Temperature | Top | -40 |
| 85 | °C | Case temperature |
Storage Temperature | Tsto | -40 |
| 85 | °C | Ambient temperature |
All WINTOP SFPs support the 2-wire serial communication protocol outlined in the
Serial Bus Timing, Requirements | ||||||
Parameter | Symbol | Min | Typ | Max | unit | Notes/Conditions |
I 2C Clock Rate |
| 0 |
| 200,000 | Hz |
|
SFP MSA. These SFPs use an MCU, can be accessed with address of A0h.
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