CS8900A / RTL8019AS (legacy parallel Ethernet) → DM9000C
Cross-reference / replacement · Cirrus Logic · Realtek → DAVICOM
- Function:
- 10/100 Ethernet MAC + PHY
- Host Interface:
- 8/16-bit parallel processor bus
- Buffer:
- 16 KB packet SRAM
- Offload:
- IP/TCP/UDP checksum, WOL
Compatibility & sourcing notes
The DM9000 is the common modern successor for legacy parallel/ISA-style 10/100 Ethernet+PHY controllers, but it is not pin- or register-compatible with the CS8900A or RTL8019AS: the DM9000 uses its own index/data-port bus and register set, so both the PCB interface and the driver must be redesigned. A migration-path alternative (re-layout + new driver), not a drop-in.
A functional alternative requiring design-in: pinout and driver may differ — re-validate with the corresponding development resources before production.
Frequently asked questions
Can DM9000C replace the CS8900A / RTL8019AS (legacy parallel Ethernet)? ▾
The DM9000 is the common modern successor for legacy parallel/ISA-style 10/100 Ethernet+PHY controllers, but it is not pin- or register-compatible with the CS8900A or RTL8019AS: the DM9000 uses its own index/data-port bus and register set, so both the PCB interface and the driver must be redesigned. A migration-path alternative (re-layout + new driver), not a drop-in.
What should I check when replacing the CS8900A / RTL8019AS (legacy parallel Ethernet)? ▾
A functional alternative requiring design-in: pinout and driver may differ — re-validate with the corresponding development resources before production.
Is the DM9000C in stock, and can I get a quote? ▾
JLink Technology is an authorized distributor and supplies DM9000C with stock, pricing, and lead time. Click "Request a Quote" with your quantity and we reply within one business day.