DS21Q55, DS21Q55N Quad T1/E1/J1 Transceiver

The DS21Q55 is a quad software-selectable T1, E1, or J1 MCM device for short-haul and long-haul applications. Each port is composed of a line Interface unit (LIU), framer, HDLC controllers, and a TDM Backplane Interface and is controlled by an 8-bit parallel port configured for Intel or Motorola bus operations. The DS21Q55 is software compatible with the DS2155 single-chip transceiver. It is pin compatible with the DS21Qx5y family of products.
By Maxim Integrated Products
DS21Q55 's PackagesDS21Q55 's pdf datasheet
DS21Q55N BGA




DS21Q55 Pinout will be updated soon..., now you can download the pdf datasheet to check the pinouts !
DS21Q55 circuits will be updated soon..., now you can download the pdf datasheet to check the circuits!

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