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DS21Q43A Datasheet (PDF) - Dallas Semiconductor

DS21Q43A Datasheet PDF - Dallas Semiconductor
Part # DS21Q43A
Download  DS21Q43A Download

File Size   748.92 Kbytes
Page   60 Pages
Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor
Description Quad E1 Framer

DS21Q43A Datasheet (PDF)

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DS21Q43A Datasheet PDF - Dallas Semiconductor

Part # DS21Q43A
Download  DS21Q43A Click to download

File Size   748.92 Kbytes
Page   60 Pages
Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor
Description Quad E1 Framer

DS21Q43A Datasheet (HTML) - Dallas Semiconductor

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DS21Q43A Product details

DESCRIPTION
The DS21Q43A combines four of the popular DS2143 E1 Controllers onto a single monolithic die. The “A” designation denotes that some new features are available in the Quad version which were not available in the single E1 device. The added features in the DS21Q43A are listed in Section 1. The DS21Q43A offers a substantial space savings to applications that require more than one E1 framer on a card. The Quad version is only slightly bigger than the single E1 device.

FEATURES
■ Four E1 (CEPT or PCM-30) /ISDN-PRI framing transceivers
■ All four framers are fully independent; transmit and receive sections of each framer are fully independent
■ Frames to FAS, CAS, CCS, and CRC4 formats
■ 8-bit parallel control port that can be connected to either multiplexed or nonmultiplexed buses
■ Each of the four framers contains dual twoframe elastic stores that can connect to asynchronous or synchronous backplanes up to 8.192 MHz
■ Easy access to Si and Sa bits
■ Extracts and inserts CAS signaling
■ Large counters for bipolar and code violations, CRC4 code word errors, FAS word errors, and E-bits
■ Programmable output clocks for Fractional E1, per channel loopback, H0 and H12 applications
■ Detects and generates AIS, remote alarm, and remote multiframe alarms
■ Pin-compatible with DS21Q41B Quad T1 Framer
■ 5V supply; low power CMOS
■ Available in 128-pin TQFP
■ Industrial (-40°C to +85°C) grade version available (DS21Q43ATN)




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About Dallas Semiconductor


Dallas Semiconductor was an American company that was founded in 1984 and was a supplier of mixed-signal and digital semiconductors.
The company was headquartered in Dallas, Texas, and was known for its innovative products and technology in the field of real-time clocks, temperature sensors, and other integrated circuits.
In 2002, Dallas Semiconductor was acquired by Maxim Integrated, a multinational semiconductor company, and became a subsidiary of Maxim.
The Dallas Semiconductor brand is no longer in use, but its products and technology continue to be a part of Maxim's portfolio.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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