MM53200 NSC | Alldatasheet
Document overview
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Technical content
5 OG National Electronic Data Processing
Code Transmitter — Receiver system. 11.52 ms/word with 11.52ms reset pulse between words. Operation in 6 requirement to keep the transmit/receive output low. quentially producing the output pattern shown in Figure Transmit modes are shown in Figures 2 and 3. Figure 1. Output Waveform Figure 2. Pin Connections for Receiver Mode Figure 3. Pin Connections for Transmitter Mode
Design Specifications . Fr Storage Temperature ~ . —65°C to +125°C Operating Temperature —25°C to +70°C . , : Lead Temperature, Max. (Soldering, 10 seconds) +300°C § Power Supply Vop Vss + 7V to Vsg + 11V lop 12mA Max.
Electrical Characteristics
Parameter | __ Conditions| Min, =| Te | Max | Units input Voltage Levels , Schmitt Trigger Input Level 1 Vss + 4 v Levei 0 Vss + 2 Vv All Other Inputs Level 1 Vop — 0.5 Voo Vv , : Level 0 Vss Vsg + 0.5 Vv Input Resistor to Vop 200k 1.2M Q Output Voltge (trans/rec) Logic High “1” lsource 5uA Vop — 0.5 Vop Logic Low “0” Isink 2MA Vss Vss + 1.0 Oscillator Frequency +15% exclusive of kHz external components : 18-Pin DIP — Top View Pin Functions Pin # . 1-12 These Data Select lines are used to set the address DATA SELECT LINE —=1 1 18 Vcc of the encoder/decoder pair. They have on-chip pull- DATA SELECT LINE 2 7 RECEIVE/ TRANSMIT OUTPUT ups and input switches should pull them to ground. DATA SELECT LINE 3 16 RECEIVE INPUT 13. The R.C. Input is the connection point for the single DATA SELECT LINE 4 15}— MODE SELECT* pin Oscillator. A resistor is hooked from this pin to GRoU' Voc and a capacitor from this pin to GND. The fre- DATA SELECT LINE 5 " Ves ( nad quency = 2/RC. The frequency may be decreased DATA SELECT LINE —==6 135 R.C. INPUT (OSCILLATOR) by increasing the resistor value. DATA SELECT LINE 7 12 DATA SELECT LINE 14 Vss is the Ground Pin. DATA SELECT LINE 18 11 = DATA SELECT LINE 15. The Mode Select pin changes operation of the IC DATA SELECT LINE 9 10 DATA SELECT LINE from Receiver to Transmitter. By grounding pin 15 the IC is put in the Receiver mode. By connection *a. GROUND CONNECTION IS RECEIVER MODE to Vcc the IC is put in the Transmitter mode. b. VOD CONNECTION IS TRANSMITTER MODE 16 The Receiver input receives the digital PCM wave- form from the Detector circuit. E Order Number MM53200N 17. The Output pin produces the PCM waveform when See Package 20 in the Transmit mode and is active low in the Re- ceive mode. 18 Voc is the positive supply pin.