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| @Ob3/4EAeN/|--1/2q EN/DECODER MOSDESIGN SEMICONDUCTOR CORP. 2 STATES ENCODER 2 IaAe IC GENERAL DESCRIPTION |AUEo M1EN The M1EN is a CMOS ASIC encoder. It will en-code 12 parallel inputs and serially transmit them to the output when transmits enable TE depressed. These address inputs are 2 states i.e. LOW (0) or OPEN (1). FEATURES uAE*IO E Same Rosc matched to the Decoder M1D/F. E 212 = 4,096 codes. E 4 cycles transmission each time. E Direct data transmit type(Eliminating TE and diodes). (c) M1EN-HSwitch to VDD. APPLICATIONS uAE*O|OA E Car/home alarm system, garage control etc.. BLOCK DIAGRAM |AU*1/2eI1/4 X Oscillator Y Freq Divider Output Driver DO TE A0 Input Control A11 Control Logic unit *All specs and applications shown above subject to change without prior notice. ( OOEIcA*1/4aen1/2o(c)I1/4,3/4E3/4A3/4Oy ) 1/6 2005-06-15 @Ob3/4EAeN/|--1/2q EN/DECODER MOSDESIGN SEMICONDUCTOR CORP. 2 STATES ENCODER 2 IaAe IC ABSOLUTE MAXIMUM RATINGS Parameter Supply Voltage Input Voltage Operating Temperature Storage Temperature Rating -0.3 to 12 -0.2~VDD +0.2 0 to 70 -50 to 125 M1EN (TA=25ae) Unit V V ae ae ELECTRICAL CHARACTERISTICS Characteristics Operating Voltage Operating Current Quiescent Current Output Drive Current Input Voltage Oscillator Frequency Sym. VDD IOP ISB IO VIH VIL Fosc Min. 2.4 (c) (c) (c) VDD -0.2 VSS (c) Typ. (c) 0.1 0.1 2 VDD VSS 76 Max. 12 1 0.5 (c) VDD VSS +0.2 (c) Unit V mA |IA mA V KHz ExternalA30%, Rosc=220K| @VDS=1.2V No load Conditions PIN DESCRIPTION No. 1~8 9 10~13 14 15 16 17 18 Name A0~A7 VSS A8~A11 TE Y X DO VDD Description Address inputs Negative power supply Address inputs Transmit enable Oscillator output Oscillator input Data output Positive power supply A0 A1 A2 A3 A4 A5 A6 A7 VSS M1EN 1 18 VDD DO X Y TE A11 A10 A9 9 10 A8 2/6 2005-06-15 @Ob3/4EAeN/|--1/2q EN/DECODER MOSDESIGN SEMICONDUCTOR CORP. 2 STATES ENCODER 2 IaAe IC TIMING WAVEFORM (1) BIT FORMAT 1 2 32 33 64 65 96 M1EN OSC 32 CLOCKS "0" 64 CLOCKS "OPEN" 64 CLOCKS 32 CLOCKS (2) TIMING DIAGRAM TE A0 12 BITS SYNC 1st WORD SYNC A11 A0 4th WORD A11 DO M1EN F-V curve 250 75K 82K 200 91K 100K 150 Freq (KHz) 100 120K 150K 180K 200K 220K 50 270K 360K 0 2 7 VDD ( Volt ) 12 17 3/6 2005-06-15 @Ob3/4EAeN/|--1/2q EN/DECODER MOSDESIGN SEMICONDUCTOR CORP. 2 STATES ENCODER 2 IaAe IC OPERATING FLOWCHART M1EN Power ON Stand-by N TEB depressed? 4 words data transmitted N TEB still depressed? Y 4/6 2005-06-15 @Ob3/4EAeN/|--1/2q EN/DECODER MOSDESIGN SEMICONDUCTOR CORP. 2 STATES ENCODER 2 IaAe IC RECONNENDED OSCILLATOR PARAMETERS Rosc (K|) 75 82 91 100 120 150 180 200 220 270 300 330 360 M1EN/D/F (KHz) 218 199 185 170 142 115 95 86 78 63 57 51 49 M1EN DATA OUTPUT M1EN (D0~D3) 0 (VSS) 1 (OPEN) M1D/F (D0~D3) 1 (VDD) 0 (VSS) Freq-Rosc chart (@VDD=12V) 250 200 150 Freq ( KHz ) 100 50 0 0 50 100 150 200 250 300 350 400 M1EN/D/F Rosc ( KU ) 5/6 2005-06-15 @Ob3/4EAeN/|--1/2q EN/DECODER MOSDESIGN SEMICONDUCTOR CORP. 2 STATES ENCODER 2 IaAe IC APPLICATION DIAGRAM I1/4cA*I1/4 (1) 4 DATA TYPE DIP 18 PIN DIP 16 PIN M1EN M1EN VDD A0 A1 A2 A3 A4 A5 A6 A7 VSS 9 10 1 18 DO X Y Rosc A4 TE D3 D2 D1 D0 A5 A6 A7 VSS IR / RF M1EN VDD A0 A2 A3 Y Rosc 1 16 DO X IR / RF TE D3 D2 8 9 D1 O1/2O*Ea (VDD) SOP 20 PIN M1EN-H VDD A0 A1 A2 Y A3 A4 A5 A6 A7 VSS 9 10 LO D3 D2 D1 D0 Rosc A2 1 18 DO X IR / RF M1EN-S 1 A0 DO A1 X Y A3 A4 A5 A6 A7 VSS 10 11 TE D3 D2 D1 D0 Rosc 20 VDD IR / RF 6/6 2005-06-15 |
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