High-density, high-pin-count flexible SMD connector for high-speed data bus

被引：0

作者：

机构：

[1] Sasaki, Shinichi

[2] Kishimoto, Tohru

来源：

Sasaki, Shinichi | 1694年 / Inst of Electronics, Inf & Commun Engineers of Japan, Tokyo, Japan卷 / E77-C期

关键词：

Data communication equipment - Data communication systems - Electric contacts - Electric impedance - Multichip modules - Spurious signal noise - Surface mount technology - Switching systems - Technology;

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摘要：

This paper describes a high-density, high-pin-count flexible SMD connector used for high-speed data buses between MCMs or daughter boards. This connector consists of a flexible film cable interconnection with accurately controlled characteristic impedance, and a contact housing composed of double-line contacts and SMD type leads. It has 98 contacts each with a pitch of 0.4 mm. The connector mounting area is 6 mm wide and 23 mm long. The flexible cable has a double-sided triple-parallel micro stripline structure with an insertion force of less than 2.9 kgf and characteristic impedance of 48 to 50 Ω. Insertion loss is -0.5 dB at 600 MHz and crosstalk noise is less than 110 mV at 250 ps rising time. This connector can be used for high-speed data transmission of up to 300 ps rising time.

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