
Exar Corporation
E3/DS3/STS-1 JITTER ATTENUATOR,STS-1 TO DS3 DESYNCHRONIZER
GENERAL DESCRIPTION
The XRT71D00 is a single channel, single chip Jitter Attenuator, that meets the Jitter requirements specified in the ETSI TBR-24, Bellcore GR-499 and GR-253 standards.
In addition, the XRT71D00 also meets the Jitter and Wander specifications described in the ANSI T1.105.03b 1997, Bellcore GR-253 and GR-499 standards for Desynchronizing and Pointer adjustments in the DS3 to STS-SPE mapping applications.
FEATURES
• Meets the E3/DS3/STS-1 jitter requirements
• No external components required
• Compliance with jitter transfer template outlined in
ITU G.751, G.752, G.755 and GR-499-CORE,1995
standards
• Meets output jitter requirement as specified by
ETSI TBR24
• Meets the Jitter and Wander specifications
described in T1.105.03b,GR-253 and GR-499 standards.
• Selectable buffer size of 16 and 32 bits
• Jitter attenuator can be disabled
• Available in a 32 pin TQFP package.
• Single 3.3V or 5.0V supply.
• Operates over - 400 C to 850 C temperature range.
APPLICATIONS
• E3/DS3 Access Equipment.
• STS-SPE to DS3 Mapper
• DSLAMs