
Microchip Technology AT87C52X2S278-RLTUM
MPNAT87C52X2S278-RLTUM
End of Life
IC MCU 8BIT 8KB OTP 44VQFP
$4.77Ref. price · indicative, final on quote
Packaging44-LQFP
RoHSNot applicable
Series87C
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Series | 87C |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | OTP |
| Voltage - supply (Vcc (Vdd)) | 4.5V ~ 5.5V |
| Operating temperature | -40°C ~ 85°C (TA) |
| Speed | 40/20MHz |
| Package | Bulk |
| RAM size | 256 x 8 |
| Core size | 8-Bit |
| Peripherals | POR |
| Connectivity | UART/USART |
| Number of i (O) | 32 |
| Core processor | 80C51 |
| Case | 44-LQFP |
| Program memory size | 8KB (8K x 8) |