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Mạch Thu PT2249
This document is a circuit diagram showing an LED display circuit using 4013 dual D flip-flops and various other components like resistors, capacitors, and LEDs. The circuit uses multiple 4013 chips connected together to sequentially light up the LEDs in a cascading pattern when a clock signal is applied. Power and ground connections are shown at VCC and GND.
Mạch Thu PT2249
- 1. 5 5 4 4 3 3 2 2 1 1 D D C C BB A A RESET FF VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC Title Size Document Number Rev Date: Sheet of <Doc> <RevCode> <Title> B 1 1Thursday, December 27, 2012 Title Size Document Number Rev Date: Sheet of <Doc> <RevCode> <Title> B 1 1Thursday, December 27, 2012 Title Size Document Number Rev Date: Sheet of <Doc> <RevCode> <Title> B 1 1Thursday, December 27, 2012 L3 LED L3 LED L1 LED L1 LED Q2 2N2222 Q2 2N2222 R7 220R R7 220R U4A 4013 U4A 4013 D 5 CLK 3 Q 1 Q 2 14 VDDS 6 GND 7 R 4 L2 LED L2 LED J2 Mat Thu J2 Mat Thu 1 2 3 R2 39k R2 39k U1 PT2249 U1 PT2249 GND 1 RXin 2 H1 3 H2 4 H3 5 H4 6 H5 7 S5 8 S4 9 S3 10 S2 11 S1 12 C3 13 C2 14 0 15 VDD 16 R4 2k2 R4 2k2 U5B 4013 U5B 4013 D 9 CLK 11 Q 13 Q 12 14 VDDS 8 GND 7 R 10 R6 100 R6 100 R3 10k R3 10k U3B 4013 U3B 4013 D 9 CLK 11 Q 13 Q 12 14 VDDS 8 GND 7 R 10 C2 102 C2 102 R15 10K R15 10K R13 220R R13 220R R11 220R R11 220R R9 220R R9 220R U3A 4013 U3A 4013 D 5 CLK 3 Q 1 Q 2 14 VDDS 6 GND 7 R 4 U5A 4013 U5A 4013 D 5 CLK 3 Q 1 Q 2 14 VDDS 6 GND 7 R 4 + C5 10uF + C5 10uF R14 220R R14 220R R12 220R R12 220R R10 220R R10 220R L8 LED L8 LED L6 LED L6 LED L4 LED L4 LED R8 220R R8 220R U2B 4013 U2B 4013 D 9 CLK 11 Q 13 Q 12 14 VDDS 8 GND 7 R 10 U2A 4013 U2A 4013 D 5 CLK 3 Q 1 Q 2 14 VDDS 6 GND 7 R 4 U4B 4013 U4B 4013 D 9 CLK 11 Q 13 Q 12 14 VDDS 8 GND 7 R 10 L7 LED L7 LED L5 LED L5 LED