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DP83848CVVX/NOPB

10/100 Ethernet PHY transceiver, MII/RMII/SNI, 3.3V, LQFP-48, commercial temp

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Pieza del fabricante：

DP83848CVVX/NOPB

Paquete：

LQFP-48 (7 x 7 mm)

Marca：
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Descripción

Productos

The DP83848CVVX/NOPB is a single-port 10/100 Mbps Ethernet physical layer transceiver (PHY) from Texas Instruments. Featuring MII, RMII, and SNI interfaces, IEEE 802.3 compliance, Auto-MDIX, and JTAG support, it operates from a 3.3V supply in a 48-pin LQFP package for commercial temperature range (0 to 70C).

Especificaciones

Velocidad de datos 10/100 Mbps
Interface MII, RMII, SNI
Tensión de alimentación 3.3V
Power Consumption < 270 mW typical
ESD Protection > 4 kV HBM
Auto-MDIX Yes (10/100 Mbps)
Paquete LQFP-48 (7 x 7 mm)
Temperatura de funcionamiento 0°C to +70°C (commercial)

Características

  • Low-power 3.3V, 0.18-um CMOS technology
  • Auto-MDIX for 10/100 Mbps
  • Energy detection mode for power savings
  • 25 MHz clock output
  • IEEE 1149.1 JTAG boundary scan

Aplicaciones

  • Embedded Ethernet connectivity
  • Industrial control and factory automation
  • General embedded networking
  • Base station equipment

The DP83848CVVX/NOPB is a highly reliable 10/100 Mbps Ethernet physical layer transceiver from Texas Instruments’ PHYTER family. Designed for embedded Ethernet applications, it supports MII, RMII, and SNI MAC interfaces with Auto-MDIX capability. Built on 0.18-um CMOS technology, it consumes less than 270 mW typically and provides robust ESD protection exceeding 4 kV. The device meets IEEE 802.3 standards and includes energy detection mode for reduced power consumption during idle periods.

The DP83848C implements the physical layer of the Ethernet protocol stack. On the transmit path, it takes parallel data from the MAC via MII/RMII, encodes it using 4B/5B (100BASE-TX) or Manchester (10BASE-T) encoding, and drives the analog signal onto the twisted-pair cable through an integrated PMD. On the receive path, it performs adaptive equalization, clock recovery, decoding, and presents parallel data to the MAC. Auto-MDIX automatically detects and corrects for crossover cables, eliminating wiring configuration concerns.

Pin Nombre Tipo Función
1 TX_CLK Salida Transmit clock (MII)
2 TX_EN Entrada Transmit enable
3-6 TXD[0:3] Entrada Transmit data (MII)
7 RX_CLK Salida Receive clock (MII)
8-11 RXD[0:3] Salida Receive data (MII)
12 RX_DV Salida Receive data valid
24 VDD Potencia 3.3V supply
25 GND Suelo Referencia del suelo
42 MDC Entrada Management data clock
43 MDIO Bidirectional Management data I/O
  • Embedded systems requiring Ethernet connectivity
  • Industrial control and factory automation networks
  • Automotive telematics and transportation systems
  • Remote base station equipment
  • General-purpose embedded networking devices
Fabricante Número de pieza Paquete Notas
TI DP83848IVVX/NOPB LQFP-48 Industrial temp (-40 to 85C)
TI DP83826IRHBR QFN-40 Newer PHY, smaller package
Realtek RTL8201F-VB-CG QFN-32 Cost-effective alternative
Microchip KSZ8041NLIA QFN-32 Pin-compatible option
TI DP83848JIBSX/NOPB QFN-40 Smaller WQFN package
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