RTL8019AS-LF
100(14x20) Ethernet ICs ROHS RTL8019AS-LF
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RTL8019AS-LF 數據表
價格 (USD)
數量 | 單價 | 總價 |
---|---|---|
1 | $5.874 | $5.87 |
10 | $5.211 | $52.11 |
30 | $4.326 | $129.78 |
132 | $3.988 | $526.42 |
這些價格會受到市場波動的影響,需要提交報價才能取得最新價格。
詳細說明
General DescriptionThe RTL8019AS is a highly integrated Ethernet Controller which offers a simple solution to implement a Plug and Play NE2000 compatible adapter with full-duplex and power down features. With the three level power down control features, the RTL8019AS is made to be an ideal choice of the network device for a GREEN PC system. The full-duplex function enables simultaneously transmission and reception on the twisted-pair link to a full-duplex Ethernet switching hub. This feature not only increases the channel bandwidth from 10 to 20 Mbps but also avoids the performance degrading problem due to the channel contention characteristics of the Ethernet CSMA/CD protocol. The Microsofts Plug and Play function can relieve the users from pains of taking care the adapters resource configurations such as IRQ, I/O, and memory address, etc However, for special applications not to be used as a Plug and Play compatible device, the RTL8019AS also supports the jumper and proprietary jumperless options.FEATURES❐ 100-pin PQFP❐ RTL8019 software compatible❐ Supports PnP auto detect mode (RTL8019AS only)❐ Compliant to Ethernet II and IEEE802.3 10Base5, 10Base2, 10BaseT❐ Software compatible with NE2000 on both 8 and 16-bit slots❐ Supports both jumper and jumperless modes❐ Supports Microsoft‘s Plug and Play configuration for jumperless mode❐ Supports Full-Duplex Ethernet function to double channel bandwidth❐ Supports three level power down modes: - Sleep - Power down with internal clock running - Power down with internal clock halted❐ Built-in data prefetch function to improve performance❐ Supports UTP, AUI & BNC auto-detect (RTL8019AS only)❐ Supports auto polarity correction for 10BaseT❐ Support 8 IRQ lines❐ Supports 16 I/O base address options ― and extra I/O address fully decode mode (RTL8019AS only)❐ Supports 16K, 32K, 64K and 16K-page mode access to BROM (up to 256 pages with 16K bytes/page)❐ Supports BROM disable command to release memory after remote boot❐ Supports flash memory read/write (RTL8019AS only)❐ 16k byte SRAM built in (RTL8019AS only)❐ Use 9346 (64*16-bit EEPROM) to store resource configurations and ID parameters❐ Capable of programming blank 9346 on board for manufacturing convenience❐ Support 4 diagnostic LED pins with programmable outputs
![](/files/uploads/product/b/02ed5fdfec04429185b07ac633fa5ceb.webp)
主要特徵
- ❐ 100-pin PQFP
- ❐ RTL8019 software compatible
- ❐ Supports PnP auto detect mode (RTL8019AS only)
- ❐ Compliant to Ethernet II and IEEE802.3 10Base5, 10Base2, 10BaseT
- ❐ Software compatible with NE2000 on both 8 and 16-bit slots
- ❐ Supports both jumper and jumperless modes
- ❐ Supports Microsoft‘s Plug and Play configuration for jumperless mode
- ❐ Supports Full-Duplex Ethernet function to double channel bandwidth
- ❐ Supports three level power down modes:
- - Sleep
- - Power down with internal clock running
- - Power down with internal clock halted
- ❐ Built-in data prefetch function to improve performance
- ❐ Supports UTP, AUI & BNC auto-detect (RTL8019AS only)
- ❐ Supports auto polarity correction for 10BaseT
- ❐ Support 8 IRQ lines
- ❐ Supports 16 I/O base address options
- ― and extra I/O address fully decode mode (RTL8019AS only)
- ❐ Supports 16K, 32K, 64K and 16K-page mode access to BROM (up to 256 pages with 16K bytes/page)
- ❐ Supports BROM disable command to release memory after remote boot
- ❐ Supports flash memory read/write (RTL8019AS only)
- ❐ 16k byte SRAM built in (RTL8019AS only)
- ❐ Use 9346 (6416-bit EEPROM) to store resource configurations and ID parameters
- ❐ Capable of programming blank 9346 on board for manufacturing convenience
- ❐ Support 4 diagnostic LED pins with programmable outputs
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規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
Rohs Code | Yes | Part Life Cycle Code | Active |
Ihs Manufacturer | REALTEK SEMICONDUCTOR CORP | Package Description | QFP, |
HTS Code ! | 8542.39.00.01 | JESD-30 Code | R-PQFP-G100 |
Length | 20 mm | Number of Functions | 1 |
Number of Terminals | 100 | Operating Temperature-Max | 70 °C |
Operating Temperature-Min | Package Body Material | PLASTIC/EPOXY | |
Package Code | QFP | Package Equivalence Code | QFP100,.75X.99 |
Package Shape | RECTANGULAR | Package Style | FLATPACK |
Peak Reflow Temperature (Cel) | NOT SPECIFIED | Seated Height-Max | 3.3 mm |
Supply Voltage-Nom | 5 V | Surface Mount ! | YES |
Telecom IC Type | ETHERNET TRANSCEIVER | Temperature Grade ! | COMMERCIAL |
Terminal Form ! | GULL WING | Terminal Pitch ! | 0.65 mm |
Terminal Position | QUAD | Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
Width | 14 mm |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is RTL8019AS-LF?
The RTL8019AS-LF is a single-chip Ethernet controller with an integrated 10Base-T/100Base-TX transceiver designed by Realtek. It is ideal for applications requiring Ethernet connectivity, such as network interface cards, industrial control systems, and embedded networking devices.
How Does RTL8019AS-LF Work?
The RTL8019AS-LF works by providing Ethernet connectivity through its integrated transceiver and control logic. It supports the 10Base-T and 100Base-TX Ethernet standards, allowing for reliable data communication over twisted-pair cables. The controller interfaces with a host microcontroller or processor through a parallel or serial interface, enabling network communication and data transfer.
How Many Pins does RTL8019AS-LF have and What are the Functions of the Pinout Configuration?
The RTL8019AS-LF is housed in a 100-pin LQFP (Low Profile Quad Flat Package) package. The pinout configuration includes:
- TX_EN, RX_DV, TXD, RXD: Transmit and receive data pins for the Ethernet interface.
- TX_CLK, CRS, COL, RX_ER: Control and status pins for Ethernet operation.
- RESET, INT, IOCHRDY: Reset, interrupt, and I/O channel ready pins for interfacing with the host system.
- VCC, VDD, GND: Power supply and ground pins.
- XTAL1, XTAL2: Crystal oscillator input and output pins for clock generation.
What are the Pros and Cons of RTL8019AS-LF?
Pros:
- Integrated Transceiver: Features an integrated 10Base-T/100Base-TX transceiver for simplified Ethernet connectivity.
- High Integration: Combines Ethernet control logic and transceiver in a single chip, reducing external component count.
- Industry Standard Compliance: Supports 10Base-T and 100Base-TX Ethernet standards for interoperability with existing network infrastructure.
- Host Interface Flexibility: Offers both parallel and serial host interfaces for compatibility with various microcontrollers and processors.
- Low Profile Package: The 100-pin LQFP package provides a space-efficient solution for compact designs.
Cons:
- Obsolete: The RTL8019AS-LF may be considered obsolete as Realtek introduces newer Ethernet controller products.
- Limited Speed: Supports 10/100 Mbps Ethernet, but may not meet the requirements for gigabit Ethernet connectivity.
- Power Consumption: May not be as power-efficient as more recent Ethernet controller solutions.
Are There Any Equivalents/Alternatives to RTL8019AS-LF for Recommendation?
- The Microchip ENC28J60 is an alternative Ethernet controller with similar functionality and a SPI interface.
- Other alternatives include the Wiznet W5100 and W5500 Ethernet controllers with integrated MAC and PHY.
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