M320EA

MOSDESIGN SEMICONDUCTOR CORP. 220 OTP ENCODER EN/DECODER M320EA GENERAL DESCRIPTION The M320EA is a 220 services of encoder pair with M320D utilizing CMOS LSI design for use in remote control system. The M320EA is design by a one-time programmable process. They decide the transmission word of M320EA that compose of 4 bit data bits, 20 bit address bits. A transmission word of the M320EA is transmitted on the DO pin via an RF or an infra-red transmission medium upon receipt of a trigger signal. FEATURES ‧ 4 direct data input pins. (direct keys) ‧ One-time programmable process. ‧ Programmable 8 bit customer code. ‧ 220 maximum address and data code. ‧ An external oscillation resister. ‧ 10 ms of key de-bounce time for K0~K3 plus. ‧ Available in SO or DIP package. APPLICATIONS ‧ Burglar alarm system, car door controllers, car alarm system, home/office security system…etc. BLOCK DIAGRAM OSC Oscillator Mixer Address Control & K0 Driver K1 Input Control K2 Custom code K3 Memory Dout 1/4 2009-05-27 MOSDESIGN SEMICONDUCTOR CORP. ABSOLUT MAXIMUM RATING Parameter Supply Voltage Input Voltage Operating Temperature Storage Temperature 220 OTP ENCODER Rating 2.4 to 12 -0.7~VDD +0.3 -20 to 70 -55 to +125 EN/DECODER M320EA Unit V V ℃ ℃ ELECTRICAL CHARACTERISTICS Characteristics Sym. Min. Typ. Max. Unit REMARKS Operating Voltage Operating Current Quiescent Current Input Voltage Output Current Oscillator Frequency VDD IOP ISB VIH VIL IO Fosc 2.4 12 15 V ─ 0.3 ─ mA No...