Sejin Electron SPR-8695T, User Manual

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Scope Scope Scope Scope
This document provide a specifications for the Sejin standard PS/2 MINI keyboard With trackball (Model
No.: SPR-8695T)
which is electrically compatible to IBM PC/AT
Environmental Requirement Environmental Requirement Environmental Requirement Environmental Requirement
- Ambient temperature and humidity(operation)
* temperature : 0 ~ 40℃
* humidity : 10%~85% RH
- Ambient temperature and humidity (storage)
* temperature : -20 ~ +60℃
* humidity : 10%~95 % RH
Electrical performance Electrical performance Electrical performance Electrical performance
*Voltage : DC 5V +/- 10%
*Current : 250 ㎃(Max)
*Contact resistance( sheet) : 800 ohm Max
*Insulation resistance : 100M ohm Min(DC250V)
*Withstand voltage : AC 150V/Min
*Character and bounce :
Operation force shall be applied according to the normal operating method at 5V DC,
5 ㎃.
There shall be no bounce and chattering within 10 msec when it is measured a specially prepared
tester or synchroscope.
Chattering and bounce are defined in the following diagram ;
*Operation resign