4X4 push-button matrix keyboard
Abstract: PCD8570 3 x 4 telephone keypad PCD3312 keyboard to DTMF PCD8577 PCF8577 DTMF and emergency PCD3343 PCD3341
Contextual Info: D EVE LO PM EN T DATA This data sheet contains advance inform ation and specifications are subject to change w ith o u t notice. U pus P C D 3341 CMOS REPERTORY DIALLER TELEPHONE SET CONTROLLER G E N E R A L D E S C R IP T IO N T he PCD3341 is a lo w th re sh o ld voltage IC fa b rica te d in CMOS. I t is designed to c o n tro l d isp la y, redial
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pcd3341pcd33434x4 push-button matrix keyboardpcd8570+63 x 4 telephone keypadpcd3312keyboard to dtmfpcd8577pcf8577dtmf and emergency
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