SA Full-Duplex Ethernet Controller with Plug and Play Function

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This product is covered by one or more of the following patents:
US5,307,459, US5,434,872, US5,732,094, US6,570,884, US6,115,776, and US6,327,625.

The RTL8019AS integrates the RTL8019A and 16K-byte SRAM in a single chip. It is designed not only to provide more friendly functions but also to save the effort of SRAM source and inventory. Most of the design spec. inherit from RTL8019A.


• ISA NIC cards
• Embedded systems such as ADSL routers, IP sharing routers (NAT), printer servers and cable modems

Symmetry Electronics (and its e-commerce division: is an authorized Realtek distributor.


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100-pin PQFP
16K byte SRAM built in
Compliant to Ethernet II and IEEE802.3 10Base5, 10Base2, 10BaseT
Supports UTP, AUI & BNC auto-detect
Software compatible with NE2000 on both 8 and 16-bit slots
Supports jumper, jumperless and PnP modes
Supports PnP auto detect mode
Supports Full-Duplex Ethernet function to double channel bandwidth
Supports three level power down modes:
- Sleep
- Power down with internal clock running clock
- Power down with internal halted
Built-in data prefetch function to improve performance
Supports auto polarity correction for 10BaseT
Support 8 IRQ lines
Supports IO address fully decode mode
Supports 16K, 32K, 64K and 16K-page mode access to BROM (up to 256 pages with 16K bytes/page), and Flash memory read/write
Supports BROM disable command to release memory after remote boot
Capable of programming blank 9346 on board for manufacturing convenience
Support 4 diagnostic LED pins with programmable outputs
Improves the blinking problem of CRS LED when the cable is not connected

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