KR1008VZH1 The chips are made according to CMOS technology and are designed to work in telephones. Microcircuits KR1008VZH1 are an electronic dialer with internal RAM for 22 digits for push-button telephones with pulse dialing. ICs allow you to change the duration of the inter-digital pause and the value of the impulse factor; Redial the last number; Keyboard inputs have programmable pause and pulse ratio, anti-splinter protection, are designed for the voltage of the subscriber line 60 V. They contain 2936 integral elements.