Company Name: Excellent Integrated System LIMITED

Contact Person : John

Email/Msn    :John(at)eis-ic.com

Tel          : 00852-30777742

Add.: RM 906, WORKINGBERG COMM BLDG, 41-47 MARBLE RD, HONGKONG

Excellent Integrated System LIMITED (EIS LIMITED), Established in 1991, is a professional independent stocking distributor of electronic components and specialize in buying the EXCESS STOCK from the original equipment manufacturers (OEMs), Contract equipment manufacturers (CEMs), and many other factories. EIS has gained good experiences in Excess Inventory Management through its development over 20 years and has become the reliable partner for the domestic and foreign OEM manufacturers. If any inquiry and question,please email us: john(at)eis-ic.com.

Description as follow:

The PEF2256HV is a framer and line interface component, which is designed to fulfill all required interfacing between analog E1/T1/J1 lines and the digital PCM system highway, H.100/H.110 or H-MVIP bus for world market telecommunication systems.

Parametrics

PEF2256HV absolute maximum ratings: (1)Ambient temperature under bias: -40 to +85 ℃; (2)Storage temperature: -65 to +125 ℃; (3)Moisture Level 3 temperature: +225 ℃; (4)Supply voltage (pads, digital): -0.5 to 4.50 V; (5)Supply voltage (core, digital): -0.5 to 2.40 V; (6)Supply voltage (PLL, analog): -0.5 to 4.50 V; (7)Supply voltage (receiver, analog): -0.5 to 4.50 V; (8)Supply voltage (transmitter, analog): -0.5 to 4.50 V; (9)Receiver input signal: -0.8 to 4.50 V; (10)Voltage on any pin: -0.5 to 4.50 V except VDDC, RL1/RL2.

Features

PEF2256HV features: (1)High-density, generic interface for all E1/T1/J1 applications; (2)Analog receive and transmit circuits for long-haul and short-haul applications; (3)E1 or T1/J1 mode selectable; (4)Data and clock recovery using an integrated digital phase-locked loop; (5)Maximum line attenuation up to -43 dB at 1024 kHz (E1) and up to -36 dB at 772 kHz (T1/J1); (6)Programmable receive equalizer characteristic; (7)Software-selectable receive line termination; (8)Programmable transmit pulse shapes for E1 and T1/J1 pulse masks.

Diagrams