Datasheet Details
Part number:
DS21Q42, DS2
Manufacturer:
Dallas Semiconducotr
File Size:
1.28 MB
Description:
Enhanced quad t1 framer.
Note:
This datasheet PDF includes multiple part numbers: DS21Q42, DS2.
Please refer to the document for exact specifications by model.
DS21Q42, DS2, Enhanced QUAD T1 FRAMER
The DS21Q42 is an enhanced version of the DS21Q41B Quad T1 Framer.
The DS21Q42 contains four framers that are configured and read through a common microprocessor compatible parallel port.
Each framer consists of a receive framer, receive elastic store, transmit formatter and transmit elastic store.
DS21Q42 Features
* Four T1 DS1/ISDN
* PRI/J1 framing transceivers All four framers are fully independent Each of the four framers contain dual two
* frame elastic store slip buffers that can connect to asynchronous backplanes up to 8.192 MHz 8
* bit parallel control port that can be used directly on
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