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PM5357 S/UNI® 622 POS
ATM and Packet Over SONET/SDH SATURN User Network Interface
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Features
- Single chip ATM User-Network Interface operating at 622.08 Mbit/s.
- Implements the ATM Forum User Network Interface Specification and the ATM physical layer for Broadband ISDN according to CCITT Recommendation I.432.
- Implements the Point-to-Point Protocol (PPP) over SONET/SDH specification according to RFC 1619/1662 of the PPP Working Group of the Internet Engineering Task Force (IETF) with the addition of X43+1 payload scrambling.
- Processes duplex bit-serial 622.08 Mbit/s STS-12c/STM-4-4c data streams with on-chip clock and data recovery and clock synthesis.
- Supports a duplex byte-serial 77.76 Mbyte/s STS-12c/STM-4-4c line side interface for use in applications where by-passing clock recovery, clock synthesis, and serializer-deserializer functionality is desired.
- Supports clock recovery by-pass for use in applications where external clock
recovery is desired.
- Provides control circuitry required to comply with Bellcore GR-253-CORE WAN
- clocking requirements related to wander transfer, holdover and long term stability when using an external VCXO.
- Provides UTOPIA Level 2 16-bit wide System Interface (clocked up to 50 MHz) with parity support for ATM applications.
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- Provides UTOPIA Level 3 compatible 8-bit wide System Interface (clocked up to 100 MHz) with parity support for ATM applications.
- Provides SATURN POS-PHY Level 2TM 16-bit System Interface (clocked up to 50 MHz) for Packet over SONET (POS) applications. This system interface is similar to UTOPIA Level 2, but adapted to packet transfer.
- Provides SATURN POS-PHY Level 3TM 8-bit System Interface (clocked up to 100 MHz) for Packet over SONET (POS) applications.
- Provides a standard 5 signal IEEE 1149.1 JTAG test port for boundary scan board test purposes.
- Provides a generic 8-bit microprocessor bus interface for configuration, control, and status monitoring.
- Low power 3.3V CMOS with TTL compatible digital inputs and CMOS/TTL digital outputs. PECL inputs and outputs are 3.3V and 5V compatible.
- Industrial temperature range (-40°C to +85°C).
- 304 pin Super BGA package.
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Applications
- WAN and Edge ATM switches
- LAN switches and hubs
- Packet switches and hubs
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- Routers and Layer 3 Switches
- Network Interface Cards and Uplinks
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S/UNI-622-POS Short Form Data Sheet [105 kB] PMC-1981280 
SUNI-622-POS Device Driver [28 kB] 
Boundary Scan Description Language (BSDL) Source Code for the PM5357 S/UNI-622-POS Device PMC-1990711