Rochester Electronics, LLC40-DIPRoHS
P87C51
8-BIT, OTPROM, 8051 CPU
Category
Subcategory
Embedded Microcontrollers
Package
40-DIP
Status
Active
$24.64 / unit (market reference)
MOQ: 13 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | P87C51 |
| Package / Case | 40-DIP |
| Mounting Type | Through Hole |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Core Processor | 80C51 |
| Speed | 12MHz |
| Program Memory Size | 4KB (4K x 8) |
| RAM Size | 128 x 8 |
| Number of I/O | 32 |
| Voltage - Supply | 4.5V ~ 5.5V |
| Connectivity | UART/USART |
| Peripherals | POR |
| Supplier Device Package | 40-PDIP |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
P87C51 by Rochester Electronics, LLC is a 80C51 microcontroller widely used in industrial control, motor drives, IoT devices, 3D printer mainboards, and consumer electronics. The 40-DIP package fits automated SMT assembly. Operating temperature is 0°C ~ 70°C (TA) — verify your application environment. Pin-compatible domestic alternatives include GigaDevice GD32 series and Artery AT32 series — note GD32 ADC specs may differ slightly from ST originals.
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All Technical Specifications
| Speed | 12MHz |
| RAM Size | 128 x 8 |
| Core Size | 8-Bit |
| Peripherals | POR |
| Connectivity | UART/USART |
| Number of I/O | 32 |
| Core Processor | 80C51 |
| Oscillator Type | External, Internal |
| Program Memory Size | 4KB (4K x 8) |
| Program Memory Type | EPROM |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 5.5V |
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