Western Digital WD2501
The WD2501 is a MOS I LSI device which handles bit-oriented, full-duplex serial data communications with DMA, which conforms to CCITT X.25 with programmable enhancements. The device is fabricated in N-Channel silicon gate MOS technology and is TTL compatible on all inputs and outputs.| Part No. | WD2501 |
|---|---|
| Datasheet | WD2501 Download |
| Manufacturer |  Western Digital |
| Description | LSI PACKET NETWORK INTERFACE |
| Buy | Stock & Price |
FEATURES
● Packet Switching Controller Compatible with CCITI Recommendation X.2S, Level 2, LAP.● Programmable Primary Timer (T1) And Retransmission Counter (N2)
● Programmable A-Field Which Provides A Wider Range Of
APPLICATIONS
Than Defined By X.25. These Include: DTE-To-DTE Connection, Multipoint, And Loop-Back Testing● Direct Memory Access (DMA) Transfer: Two Channels; One For Transmit And One For Receive. Send I Receive Data Accessed By Indirect Addressing Method. No External Address Latches Required. Sixteen Output Address Lines.
● Zero Bit Insert And Delete
● Automatic Appending and Testing Of FCS Field
● Computer Bus Interface Structure: 8 Bit Bi- Directional Data Bus. CS, WE, RE-Four Input Address Lines
● DC To
●1.6M BitslSEC Baud Rate if
● TTL Compatible
● 48 Pin Dual In-Line Packages
● Pin-for-pin compatible with WD2511 (LAPB.) Higher Baud Rates Available By Special Order
APPLICATIONS
X.25 PACKET SWITCHING CONTROLLER PART OF DTE OF DCE PRIVATE PACKET NETWORKS oco '" :;; .c...
