DS21FT40 Four x Three 12 Channel E1 Framer
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MULTI-CHIP MODULE FEATURES
Twelve (12) completely independent E1 Framers in one small 27 mm x 27 mm Package
Each Multi-Chip Module (MCM) Contains Three DS21Q44 Quad E1 Framer Die
Each Quad Framer can be concatenated into a Single 8.192 MHz Backplane Data Stream
300–pin MCM 1.27 mm pitch BGA ...
