Features: • ROM : 4096×8 bits (LC573104A)2048×8 bits (LC573102A)• RAM : 64×4 bits• Cycle time• Port· Input port (S port, M port) : 2-port (8 pins) [Key scan input port]· Input/Ouput port : 3-port (10 pins)P0 port, P1 port 2-port (8 pins) [Key scan output port]P2 port 1-port...
573102A: Features: • ROM : 4096×8 bits (LC573104A)2048×8 bits (LC573102A)• RAM : 64×4 bits• Cycle time• Port· Input port (S port, M port) : 2-port (8 pins) [Key scan input port]· Inpu...
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Parameter | Symbol | Conditions | Rating | Unit |
Supply voltage range | VDD | 0.3 to +7.0 | V | |
Input voltage range | VIN | S1 to S4, M1 to M4, RES, P00 to P03, P10 to P13, P20, P21, CF1 (P00 to P03, P10 to P13, P20, P21 are input mode) | 0.3 to VDD +0.3 | V |
Output voltage range | VOUT | CA, P00 to P03, P10 to P13, P20, P21, CF2 (P00 to P03, P10 to P13, P20, P21 are output mode) |
0.3 to VDD +0.3 | V |
Output current (Per 1 pin) |
IOUT1 | CA (per 1 pin) | 25 | mA |
IOUT2 | P00 to P03, P10 to P13 (per 1 pin) | 500 | A | |
IOUT3 | P20, P21 (per 1 pin) | 10 | mA | |
IOUT4 | Output pins other than listed above (per 1 pin) | 500 | A | |
Total output current of all pins except CA |
IAL | All pins totalled (except for CA pin) | 25 | mA |
Operating temperature | Topr | 30 to +70 | °C | |
Storage temperature | Tstg | 40 to +125 | °C |
LC573104A and LC573102A are CMOS 4-bit microcontrollers featuring low-voltage operation and low power dissipation.
Both LC573104A and LC573102A incorporate a 4-bit parallel processing ALU, 4K bytes/2K bytes ROM, a 64´4-bit RAM, a 16-bit timer, and an infrared remote control transmission carrier output circuit.