(China (Mainland))
Product Summary
The PEF20450HV1.3 is a Switching IC. The device provides a complete and cost-effective solution for all switching systems. The PEF20450HV1.3 can be used in today’s switching applications, e.g. conventional PBXs and central offices, which is the key to high performing CTI- and Voice-over-IP-applications, one of the most important future technologies in telecommunications.
Parametrics
PEF20450HV1.3 absolute maximum ratings: (1)Ambient temperature under bias PEF, TA: – 40 to 85℃; (2)Storage temperature, Tstg: – 65 to 150℃; (3)Supply voltag,e VDD: – 0.5 to 4.6 V; (4)Voltage on any input or output pin (referenced to ground), VS: – 0.5 to 5.5 V; (5)ESD robustness (HBM: 1.5 kΩ, 100 pF), VESD,HBM: 1500 V.
Features
PEF20450HV1.3 features: (1)Switching capacity of 512, 1024, or up to 2048 connections of different types between different buses; (2)Programmable data rates of 2.048 Mbit/s, 4.096 Mbit/s, 8.192 Mbit/s, and 16.384 Mbit/s on per stream basis; (3)16 PCM Highways (IN/OUT); (4)Constant delay or minimum delay programmable on per connection basis; (5)Subchannel switching ability of 1-bit, 2-bit, 4-bit wide time-slots; (6)Programmable clock shift for local bus; (7)Automatic data rate adaption; (8)Optional 8-bit parallel input and/or 8-bit parallel output for first 8 lines of local bus; (9)Broadcast capabilities; (10)Multipoint switching ability; (11)Read and write access to all time-slots; (12)Message mode (time-slot write access); (13)Programmable framing group; (14)GPIO port; (15)8-bit μP-interface supports both Intel and Motorola mode; (16)Optional 16-bit μP interface mode (instead of GPIO port); (17)On chip PLL for PCM bus clock operation (master/slave); (18)JTAG interface: Boundary scan according to IEEE 1149.1; (19)3.3 V power supply; (20)5 V tolerant inputs/outputs.
Diagrams
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