MT8979AE1,IC TELECOM INTERFACE 28DIP
MT8979AP1,IC TELECOM INTERFACE 44PLCC
MT8979APR1,IC TELECOM INTERFACE 44PLCC
MT8980DE1,IC TELECOM INTERFACE 40DIP
MT8980DP1,IC TELECOM INTERFACE 44PLCC
MT8980DPR1,IC TELECOM INTERFACE 44PLCC
MT8981DE1,IC TELECOM INTERFACE 40DIP
MT8981DP1,IC TELECOM INTERFACE 44PLCC