(Hong Kong)
Product Summary
The AM79C874VF is a Low Power 10/100-TX/FX Ethernet Transceiver. It provides the physical (PHY) layer and transceiver functions for one 10/100 Mbps Ethernet port. The AM79C874VF delivers the dual benefits of CMOS low power consumption and small package size. Operating at 3.3 V, it consumes only 0.3 W. The AM79C874VF is IEEE 802.3 compliant. It can receive and transmit data reliably at over 130 meters. It includes on-chip input filtering and output waveshaping for unshielded twisted pair operation without requiring external filters or chokes.
Parametrics
AM79C874VF absolute maximum ratings: (1)Storage Temperature:-55℃ to +150℃; (2)Ambient Temperature Under Bias:-55℃ to +150℃; (3)Supply Voltage:-0.5 V to +5.5 V; (4)Voltage Applied to any input pin:-0.5 V to VDD.
Features
AM79C874VF features: (1)10/100BASE-TX Ethernet PHY device with 100BASE-FX fiber optic support; (2)Typical power consumption of 0.3 W; (3)Sends/receives data reliably over cable lengths greater than 130 meters; (4)MII mode supports 100BASE-X and 10BASE-T; (5)7-Wire (General Purpose Serial Interface (GPSI)) mode supports 10BASE-T; (6)Three PowerWise management modes (from 300 mW typical); (7)Waveshaping – no external filter required; (8)Full and half-duplex operation with full-featured Auto-Negotiation function; (9)LED indicators: Link, TX activity, RX activity, Collision, 10 Mbps, 100 Mbps, Full or Half Duplex; (10)MDIO/MDC operates up to 25 MHz; (11)Automatic Polarity Detection; (12)Built-in loopback and test modes; (13)Single 3.3-V power supply with 5-V I/O tolerance; (14)12 mm x 12 mm 80-pin TQFP package; (15)Support for industrial temperature(-40℃ to +85℃).
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