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 DS8921AM is a differential line driver and receiver pair designed specifically for applications meeting the ST506, ST412 and ESDI Disk Drive Standards. In addition, the DS8921AM meets the requirements of the EIA Standard RS-422.

Parametrics

DS8921AM absolute maximum ratings: (1)Supply Voltage: 7V; (2)Driver Input Voltage: -0.5V to +7V; (3)Output Voltage: 5.5V; (4)Receiver Output Sink Current: 50 mA; (5)Receiver Input Voltage: ±10V; (6)Differential Input Voltage: ±12V; (7)Maximum Package Power Dissipation @ +25℃. M Package: 730 mW, N Package: 1160 mW; (8)Derate M Package: 9.3 mW/℃ above+25℃; (9)Derate N Package: 5.8 mW/℃ above+25℃.

Features

DS8921AM features: (1)12 ns typical propagatiodelay; (2)Output skew - 0.5 ns typical; (3)Meet the requirements of EIA Standard RS-422; (4)Complementary Driver Outputs; (5)High differential or common-mode input voltage ranges of ±7V; (6)±0.2V receiver sensitivity over the input voltage range; (7)Receiver input hysteresis-70 mV typical; (8)DS8921AT industrial temperature operation: (-40 to +85℃).

Diagrams