(Hong Kong)
Product Summary
The PM4354-NG is a four channel combined E1/T1/J1 transceiver/framer. The PM4354-NG is suitable for Wireless Base Station, Transceiver or Digital Loop Carrier DSLAM, Metro Optical Access Equipment, Voice Gateway Enterprise Router, SONET/SDH Multiplexer and so on.
Parametrics
PM4354-NG absolute maximum ratings: (1)Ambient Temperature under Bias: -40 to +85 ℃; (2)Storage Temperature, TST: -40 to +125 ℃; (3)Supply Voltage, VDDC25: -0.3 to + 3.5 VDC; (4)Supply Voltage, VDDall33: -0.3 to + 4.6 VDC; (5)Voltage on Any Pin VIN: -0.3 to VDDall33 +0.3VDC; (6)Static Discharge Voltage: ±1000 V; (7)Latch-Up Current: ±100 mA; (8)DC Input Current, IIN: ±20 mA; (9)Lead Temperature: +230 ℃; (10)Junction Temperature, TJ: +150 ℃.
Features
PM4354-NG features: (1)Monolithic device which integrates four, full-featured T1 and E1 framers and T1 and E1 short haul and long haul line interfaces.; (2)Software selectable between T1/J1 and E1 operation on a per-device basis; (3)Provides encoding and decoding of B8ZS, HDB3 and AMI line codes; (4)Provides receive equalization, clock recovery and line performance monitoring; (5)Provides transmit and receive jitter attenuation; (6)Provides digitally programmable long haul and short haul line build out; (7)Provides four full-featured HDLC controllers, each with 128-byte transmit and receive FIFO buffers; (8)Supports Nx64Kbit/s fractional bandwidth backplane.
Diagrams
