Ascent Communication Technology

10/100/1000M Copper SFP

Ascent’s SFP-AG-CO-02 10/100/1000BASE-T copper SFP transceiver is high-performance, cost-effective module compliant with the Gigabit Ethernet and 10/100/1000BASE-T standards as specified in IEEE 802. 3-2002 and IEEE 802.3ab, which supporting 10/100/1000Mbps data rates up to 100 meters reach over unshielded twisted-pair category 5 cable.

• Hot-pluggable SFP footprint

• Fully metallic enclosure for low EMI

• Low power dissipation

• Compact RJ45 connector assembly

• Detailed product information in EEPROM

• +3.3V single power supply

• Access to physical layer IC via 2-wire serial bus

• 10/100/1000 BASE-T operation in host systems with SGMII interface

• Compliant with SFP MSA

• Compliant with IEEE Std 802.3TM-2002

• RoHS Compliant

• Case temperature range (0°C to +70°C)

+3.3V Volt Electrical Power Interface

The SFP‑AG‑CO‑02 has an input voltage range of 3.3 V +/‑ 5%. The 4 V maximum voltage is not allowed for continuous operation.

Parameter	Symbol	Min.	Typ.	Max.	Units	Note
Supply Current	I_S		320	375	mA	1.2W max power over full range of voltage and temperature. See caution note below.
Input Voltage	V_CC	3.13	3.3	3.47	V	Referenced to GND
Surge Current	I_surge		30		mA	Hot plug above steady state current. See caution note below.

Caution: Power consumption and surge current are higher than the specified values in the SFP MSA

Low‑Speed Signals

MOD_DEF(1) (SCL) and MOD_DEF(2) (SDA), are open drain CMOS signals. Both MOD_ DEF(1) and MOD_DEF(2) must be pulled up to host_Vcc.

Parameter	Symbol	Min.	Max.	Units	Note
SFP Output LOW	VOL	0	0.5	V	4.7 kΩ to 10 kΩ pull‑up to host_Vcc.
SFP Output HIGH	VOH	host_Vcc ‑0.5	host_Vcc + 0.3	V	4.7 kΩ to 10 kΩ pull‑up to host_Vcc.
SFP Input LOW	VIL	0	0.8	V	4.7 kΩ to 10 kΩ pull‑up to Vcc.
SFP Input HIGH		2	Vcc + 0.3 V	V	4.7 kΩ to 10 kΩ pull‑up to Vcc.

High‑Speed Electrical Interface

All high‑speed signals are AC‑coupled internally.

Parameter	Symbol	Min.	Typ.	Max.	Units	Note
Transmission Line‑SFP
Line Frequency	f_L		125		MHz	5‑level encoding, per IEEE 802.3
Tx Output Impedance	Z_out, TX		100		Ω	Differential
Rx Input Impedance	Z_in, RX		100		Ω	Differential
Host‑SFP
Single‑Ended Data Input Swing	V_insing	250		1200	mV	Single‑ended
Single‑Ended Data Output Swing	V_outsing	350	100	800	mV	Single‑ended
Rise/Fall Time	Tr, Tf		175		psec	20 % to 80 %
Tx Input Impedance	Z_in		50		Ω	Single‑ended
Rx Output Impedance	Z_out		50		Ω	Single‑ended

General Specifications

Parameter	Symbol	Min.	Typ.	Max.	Unit	Note
Data Rate	BR	10		1, 000	Mb/s	IEEE 802.3 compatible.
Cable Length	L			100	m	Category 5 UTP. BER <10‑12

Notes:

1. Clock tolerance is ±50 ppm

2. By default, the SFP‑AG‑CO‑02 is a full duplex device in preferred master mode

3. Automatic crossover detection is enabled. External crossover cable is not required

4. 10/100/1000 BASE‑T operation requires the host system to have an SGMII interface with no clocks, with a SERDES that does not support SGMII, the module will operate at 1000BASE‑T only.

Environmental Specifications

Parameter	Symbol	Min.	Typical	Max.	Unit	Note
Operating Temperature	T_op	0		70	°C	Case temperature
Storage Temperature	T_sto	‑40		85	°C	Ambient temperature