74HC244+7805+89s51_sch_pcb

whtt1254 · 发表于 2018-11-4 07:12:02

Comment          Pattern    Quantity  Components
------------------------------------------------------------------------------
100                AXIAL0.4       13 R1, R2, R3, R4, R5, R6, R7
                                       R8, R9, R10, R11, R12, R13
1000U             RB5/10          1 C5                         Capacitor
104                CAP3          1 C7                         Capacitor
12M                XTAL1          1 B2
2.2K*6             SIP7          1 R15
30P                CAP3          2 C2, C3                      Capacitor
470U             RB4/8          1 C6                         Capacitor
560                AXIAL0.4       1 R14
74HC244          DIP20          1 U1
7805             TO-220HS       1 U3                         三端稳压块
89S51             DIP40          1 U
CON2             DYCKD          1 J2                         Connector
DB25             DB25RA/M       1 J1
HEADER 5X2       IDC-10P       1 JP1
IN4007             DIODE0.4       4 D8, D9, D10, D11          Diode
LED                LED3          1 D3
LED                LED-N          1 LED1                      LED

shuszhao · 发表于 2018-11-4 08:26:26

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[AD格式] 74HC244+7805+89s51_sch_pcb

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