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Microchip Technology AT89C51RB2T-RLTUL — Microcontrollers & Processors (MCU / MPU / DSP)

AT89C51RB2T-RLTUL - Microchip Technology

MPNAT89C51RB2T-RLTUL
End of Life

IC MCU 8BIT 16KB FLASH 44VQFP

$7.77Ref. price · indicative, final on quote
Packaging44-LQFP
RoHSROHS3 Compliant
Series89C
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

AT89C51RB2T-RLTUL specifications
ParameterValue
Series89C
MountingSurface Mount
Oscillator typeExternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))2.7V ~ 5.5V
Operating temperature-40°C ~ 85°C (TA)
Speed40MHz
PackageTray
RAM size1.25K x 8
Core size8-Bit
PeripheralsPOR, PWM, WDT
ConnectivitySPI, UART/USART
Number of i (O)32
Core processor80C51
Case44-LQFP
Program memory size16KB (16K x 8)