DS21Q552 5v equivalent, quad t1/e1 transceiver 5v.
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* Four (4) Completely Independent T1 or E1 Transceivers In One Small 27mm x 27mm Package
* Each Transceiver Contains a Short & Long Haul Line Interface Plus a F.
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–lead MCM BGA package (27mm X 27mm) Low Power 5V CMOS or Low Power 3.3V CMOS with 5V Tolerant Input &.
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