2 layers167 × 103.2 mm
LinTech GM board NC ACM-2.3
nightgryphon/LInTech-network
Reconstructing USSR school retro PC network by LInTech
97 parts9Apache-2.0
AT89C51-24PC
Microchip TechnologyExtended
0℃~+70℃ 128Byte 24MHz 32 4KB 4V~6V 51 Series 8 Bit Built-in FLASH PDIP-40 Microcontrollers (MCU/MPU/SOC)
- Part id
- microchip/AT89C51-24PC
- Category
- Microcontrollers (MCU, MPU, SOC)
- Package
- PDIP-40
- Pins
- 40
- In stock
- 0 at JLCPCB (C6747247)
- Used on
- 2 open-source boards
Overview
The AT89C51-24PC is a microcontroller made by Microchip Technology in a PDIP-40 package with 40 pins. 0℃~+70℃ 128Byte 24MHz 32 4KB 4V~6V 51 Series 8 Bit Built-in FLASH PDIP-40 Microcontrollers (MCU/MPU/SOC).
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:AT89C51-24PC, from EasyEDA) and its footprint (Package_DIP:DIP-40_W25.4mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C6747247). 2 open-source boards in 1 repository on GitHub use it.
Symbol
Footprint
From the datasheet
6- Supply, absolute maximum
- 6.6 V · VCC, absolute maximum · p. 10
- Takes working
- 20 mA · active mode, 12 MHz, max · p. 10
- Takes at most
- 20 mA · active mode, 12 MHz, max · p. 10
- Takes asleep
- 100 µA · power-down mode, VCC = 6 V, max · p. 10
- Takes asleep
- 40 µA · power-down mode, VCC = 3 V, max · p. 10
- A pin gives at most
- 15 mA · DC output current, absolute maximum · p. 10
Pinout
40| Pin | Name | Type |
|---|---|---|
| 1 | P1.0 | Unspecified |
| 2 | P1.1 | Unspecified |
| 3 | P1.2 | Unspecified |
| 4 | P1.3 | Unspecified |
| 5 | P1.4 | Unspecified |
| 6 | P1.5 | Unspecified |
| 7 | P1.6 | Unspecified |
| 8 | P1.7 | Unspecified |
| 9 | RST | Unspecified |
| 10 | (RXD)P3.0 | Unspecified |
| 11 | (TXD)P3.1 | Unspecified |
| 12 | (INT0#)P3.2 | Unspecified |
| 13 | (INT1#)P3.3 | Unspecified |
| 14 | (T0)P3.4 | Unspecified |
| 15 | (T1)P3.5 | Unspecified |
| 16 | (WR#)P3.6 | Unspecified |
| 17 | (RD#)P3.7 | Unspecified |
| 18 | XTAL2 | Unspecified |
| 19 | XTAL1 | Unspecified |
| 20 | GND | Unspecified |
| 21 | P2.0(A8) | Unspecified |
| 22 | P2.1(A9) | Unspecified |
| 23 | P2.2(A10) | Unspecified |
| 24 | P2.3(A11) | Unspecified |
| 25 | P2.4(A12) | Unspecified |
| 26 | P2.5(A13) | Unspecified |
| 27 | P2.6(A14) | Unspecified |
| 28 | P2.7(A15) | Unspecified |
| 29 | PSEN# | Unspecified |
| 30 | ALE/PROG# | Unspecified |
| 31 | EA#/VPP | Unspecified |
| 32 | P0.7(AD7) | Unspecified |
| 33 | P0.6(AD6) | Unspecified |
| 34 | P0.5(AD5) | Unspecified |
| 35 | P0.4(AD4) | Unspecified |
| 36 | P0.3(AD3) | Unspecified |
| 37 | P0.2(AD2) | Unspecified |
| 38 | P0.1(AD1) | Unspecified |
| 39 | P0.0(AD0) | Unspecified |
| 40 | VCC | Unspecified |
Open-source boards using it
2- 2 layers168.9 × 106.7 mm
LinTech GM board NC ACM-2.2
nightgryphon/LInTech-network
Reconstructing USSR school retro PC network by LInTech
79 parts9Apache-2.0
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Questions
Is there a KiCad symbol and footprint for the AT89C51-24PC?
Yes. The symbol is EasyEDA_Cloud:AT89C51-24PC and the footprint Package_DIP:DIP-40_W25.4mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the AT89C51-24PC?
PDIP-40, with 40 pins. Its footprint is drawn on this page.
Where is the AT89C51-24PC datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the AT89C51-24PC?
JLCPCB lists it as part C6747247, with 0 in stock; the sellers' links on this page open their listings.
What can replace the AT89C51-24PC?
Parts like it in the library: the STC89C516RD+40I-PDIP40 by STC Micro, the STC89C52RC-40I-PDIP40 by STC, the AT89S52-24PU by Microchip Technology and the PIC18F45K80-I/P by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the AT89C51-24PC?
2 boards in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.