Skip to the content
PCBKitNew board
AT87C51RB2-SLSUL, in 3D

AT87C51RB2-SLSUL

Microchip Technology

-40℃~+85℃ 16KB 2.7V~5.5V 20MHz、30MHz 32 51 Series 512Byte 8 Bit Built-in OTP PLCC-44(16.6x16.6) Microcontrollers (MCU/MPU/SOC) ROHS

Extended
DatasheetJLCPCBLCSCmicrochip/AT87C51RB2-SLSUL
Category
Microcontrollers (MCU, MPU, SOC)
Package
PLCC-44(16.6x16.6)
Pins
44

Overview

The AT87C51RB2-SLSUL is a microcontroller made by Microchip Technology in a PLCC-44(16.6x16.6) package with 44 pins. -40℃~+85℃ 16KB 2.7V~5.5V 20MHz、30MHz 32 51 Series 512Byte 8 Bit Built-in OTP PLCC-44(16.6x16.6) Microcontrollers (MCU/MPU/SOC) ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:AT87C51RC2-SLSUL, from EasyEDA) and its footprint (EasyEDA_Cloud:PLCC-44_L16.6-W16.6-P1.27-LS17.5-T, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3232815).

Symbol

VSS1/NIC1P1.0/T22P1.1/T2EX3P1.24P1.35P1.46P1.57P1.68P1.79RST10P3.0/RxD11NIC12P3.1/TxD13P3.2/INT0#14P3.3/INT1#15P3.4/T016P3.5/T117P3.6/WR18P3.7/RD19XTAL220XTAL121VSS22NIC23P2.0/A824P2.1/A925P2.2/A1026P2.3/A1127P2.4/A1228P2.5/A1329P2.6/A1430P2.7/A1531PSEN#32ALE/PROG#33NIC34EA#/VPP35P0.7/AD736P0.6/AD637P0.5/AD538P0.4/AD439P0.3/AD340P0.2/AD241P0.1/AD142P0.0/AD043VCC44
EasyEDA_Cloud:AT87C51RC2-SLSULFrom EasyEDA

Footprint

1234567891011121314151617181920212223242526272829303132333435363738394041424344
EasyEDA_Cloud:PLCC-44_L16.6-W16.6-P1.27-LS17.5-TFrom EasyEDA

Parameters

10
CPU Core
51 Series
CPU Maximum Speed
30MHz；20MHz
Core Size
8 Bit
Number of I/O
32
Operating Temperature
-40℃~+85℃
Oscillator Type
Built-in
Program Memory Type
OTP
Program Storage Size
16KB
RAM Size
512Byte
Voltage - Supply
2.7V~5.5V

Order codes

1

Pinout

44
The pins of the AT87C51RB2-SLSUL
PinNameType
1VSS1/NICUnspecified
2P1.0/T2Unspecified
3P1.1/T2EXUnspecified
4P1.2Unspecified
5P1.3Unspecified
6P1.4Unspecified
7P1.5Unspecified
8P1.6Unspecified
9P1.7Unspecified
10RSTUnspecified
11P3.0/RxDUnspecified
12NICUnspecified
13P3.1/TxDUnspecified
14P3.2/INT0#Unspecified
15P3.3/INT1#Unspecified
16P3.4/T0Unspecified
17P3.5/T1Unspecified
18P3.6/WRUnspecified
19P3.7/RDUnspecified
20XTAL2Unspecified
21XTAL1Unspecified
22VSSUnspecified
23NICUnspecified
24P2.0/A8Unspecified
25P2.1/A9Unspecified
26P2.2/A10Unspecified
27P2.3/A11Unspecified
28P2.4/A12Unspecified
29P2.5/A13Unspecified
30P2.6/A14Unspecified
31P2.7/A15Unspecified
32PSEN#Unspecified
33ALE/PROG#Unspecified
34NICUnspecified
35EA#/VPPUnspecified
36P0.7/AD7Unspecified
37P0.6/AD6Unspecified
38P0.5/AD5Unspecified
39P0.4/AD4Unspecified
40P0.3/AD3Unspecified
41P0.2/AD2Unspecified
42P0.1/AD1Unspecified
43P0.0/AD0Unspecified
44VCCUnspecified

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/microchip/AT87C51RB2-SLSUL" title="AT87C51RB2-SLSUL in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/microchip/AT87C51RB2-SLSUL.jpg" alt="AT87C51RB2-SLSUL" width="1200" height="900">
A picture that opens the part, for a README
[![AT87C51RB2-SLSUL](https://pcbkit.io/embed/parts/microchip/AT87C51RB2-SLSUL.jpg?size=s)](https://pcbkit.io/parts/microchip/AT87C51RB2-SLSUL)

Questions

Is there a KiCad symbol and footprint for the AT87C51RB2-SLSUL?

Yes. The symbol is EasyEDA_Cloud:AT87C51RC2-SLSUL and the footprint EasyEDA_Cloud:PLCC-44_L16.6-W16.6-P1.27-LS17.5-T, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the AT87C51RB2-SLSUL?

PLCC-44(16.6x16.6), with 44 pins. Its footprint is drawn on this page.

Where is the AT87C51RB2-SLSUL datasheet?

Microchip Technology publishes it: the Datasheet link on this page opens it.

Where can I order the AT87C51RB2-SLSUL?

JLCPCB lists it as part C3232815, with 0 in stock; the sellers' links on this page open their listings.

What can replace the AT87C51RB2-SLSUL?

Parts like it in the library: the AT89S52-24JU by Microchip Technology, the AT80C51RD2-SLRUM by Microchip Technology, the AT89C51CC03UA-SLSUM by Microchip Technology and the AT89LP51IC2-20JU by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8