DS21Q41B

四路T1成帧器

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产品详情

Four independent T1 DS1/ISDN-PR1 framers
Frames to D4, ESF, and SLC-96 formats
8-bit parallel control port can connect to muxed or nonmuxed buses
Each framer has dual two-frame elastic stores that can connect to asynchronous or synchronous backplanes up to 8.192MHz
Extracts/inserts robbed-bit signals
Framer and payload loopbacks
Large BPV, LCV, EXZ, CRC6, PCV, F-bit error, and out-of-sync multiframe counters
ANSI 1s density monitor/enforcer
CSU loop code generator/detector
Programmable output clocks for Fractional T1, ISDN-PRI, Actual Size, and per-channel loopback applications
Onboard FDL support circuitry
Operating ranges:
- 5V supplies
- 0°C to 70°C (DS21Q41B)
- -40°C to +85°C (DS21Q41BN)

这是最新版本的数据手册