
Overview
The AT89LS51-16JU is a microcontroller made by Microchip Technology in a PLCC-44(16.6x16.6) package with 44 pins. 16MHz 2.7V~4V 32 4KB 51 Series PLCC-44(16.6x16.6) Microcontrollers (MCU/MPU/SOC) ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:AT89LS51-16JU, from EasyEDA) and its footprint (EasyEDA_Cloud:PLCC-44_L16.6-W16.6-P1.27-TL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C10035).
Symbol
Footprint
Parameters
5- CPU Core
- 51 Series
- CPU Maximum Speed
- 16MHz
- Number of I/O
- 32
- Program Storage Size
- 4KB
- Voltage - Supply
- 2.7V~4V
Order codes
1- AT89LS51-16JULCSC C10035
Pinout
44| Pin | Name | Type |
|---|---|---|
| 1 | NC | Unspecified |
| 2 | P1.0 | Unspecified |
| 3 | P1.1 | Unspecified |
| 4 | P1.2 | Unspecified |
| 5 | P1.3 | Unspecified |
| 6 | P1.4 | Unspecified |
| 7 | P1.5(MOSI) | Unspecified |
| 8 | P1.6(MISO) | Unspecified |
| 9 | P1.7(SCK) | Unspecified |
| 10 | RST | Unspecified |
| 11 | P3.0(RXD) | Unspecified |
| 12 | NC | Unspecified |
| 13 | P3.1(TXD) | Unspecified |
| 14 | P3.2(INT0) | Unspecified |
| 15 | P3.3(INT1) | Unspecified |
| 16 | P3.4(T0) | Unspecified |
| 17 | P3.5(T1) | Unspecified |
| 18 | P3.6(WR) | Unspecified |
| 19 | P3.7(RD) | Unspecified |
| 20 | XTAL2 | Unspecified |
| 21 | XTAL1 | Unspecified |
| 22 | GND | Unspecified |
| 23 | NC | Unspecified |
| 24 | P2.0(A8) | Unspecified |
| 25 | P2.1(A9) | Unspecified |
| 26 | P2.2(A10) | Unspecified |
| 27 | P2.3(A11) | Unspecified |
| 28 | P2.4(A12) | Unspecified |
| 29 | P2.5(A13) | Unspecified |
| 30 | P2.6(A14) | Unspecified |
| 31 | P2.7(A15) | Unspecified |
| 32 | PSEN | Unspecified |
| 33 | ALE/PROG | Unspecified |
| 34 | NC | Unspecified |
| 35 | EA/VPP | Unspecified |
| 36 | P0.7(AD7) | Unspecified |
| 37 | P0.6(AD6) | Unspecified |
| 38 | P0.5(AD5) | Unspecified |
| 39 | P0.4(AD4) | Unspecified |
| 40 | P0.3(AD3) | Unspecified |
| 41 | P0.2(AD2) | Unspecified |
| 42 | P0.1(AD1) | Unspecified |
| 43 | P0.0(AD0) | Unspecified |
| 44 | VCC | Unspecified |
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Is there a KiCad symbol and footprint for the AT89LS51-16JU?
Yes. The symbol is EasyEDA_Cloud:AT89LS51-16JU and the footprint EasyEDA_Cloud:PLCC-44_L16.6-W16.6-P1.27-TL, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the AT89LS51-16JU?
PLCC-44(16.6x16.6), with 44 pins. Its footprint is drawn on this page.
Where is the AT89LS51-16JU datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the AT89LS51-16JU?
JLCPCB lists it as part C10035, with 0 in stock; the sellers' links on this page open their listings.
What can replace the AT89LS51-16JU?
Parts like it in the library: the AT89C51RC-24JU by Microchip Technology, the AT89LS52-16JU by Microchip Technology, the PIC16C65A-20I/L by Microchip Technology and the PIC16F877-20I/L by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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