ATMEGA16/32 + 74HC193 + 40106 _SCH_PCB

whtt1254 · 发表于 2018-11-4 10:44:56

Comment          Pattern    Quantity  Components
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                  DIODE0.4       4 D1, D2, D3, D4             Diode
                  QCAJ          1 S
                  XTAL1          1 8M
10\1w             0805          1 R2
1000u             RB5/10          2 C1, C10                   Capacitor
100uf             RB.1/.2       3 CB3, CB4, CB5             Electrolytic Capacitor
104                CAP3          1 C9                         Capacitor
10K                0805          2 R1, R5
10k                VR6             1 Rp1                         Potentiometer
10U                RB2/4          1 C7                         Capacitor
10uf             RB.1/.2       1 CB6                         Electrolytic Capacitor
20P                CAP3          2 C5, C6                      Capacitor
32.768K          SIP2          1 B2
40106             DIP14          1 IC3
470                0805          2 R3, R4
470u             RB4/8          2 C2, C8                      Capacitor
74HC153          DIP16          1 U6                         DUAL 4-1 LINE DATA SELEC/MUX
74HC193          DIP16          2 U2, U3                      SYN 4-BIT UP/DOWN CNT DUAL CLK CR
7805             TO-220S       1 U4                         三端稳压块
7905             TO-220S       1 U7                         三端稳压块
ATMEGA16/32       DIP40          1 U5
CD4011             DIP14          1 U1                         Quad 2-INPUT Nand G
CON2             SIP2          3 J1, J3, J6                Connector
CON3             SIP2A          1 J2                         Connector
CON3             SIP3          2 J4, J5                      Connector
CON3             SIP3A          2 J45, J66                   Connector
LCD                LCD             1 LCD
LED                LED3          1 D6
LED                SIP2          1 D5