Offering the latest in 8051 technology, these high-performance 8-bit MCUs execute most instructions in a single clock cycle. Application performance can be boosted to up to 30 MIPS throughput.
Offering a wide range of internal RAM configurations plus rich features such as interrupt controllers and timer/counters, the highly efficient design of these MCUs can help reduce system power consumption by bringing the clock frequency down to any value without data loss.
These powerful ROM-less 8051 MCUs are suitable for existing ROM-less applications that require a combination of performance, flexibility and power efficiency.
Offering the latest in 8051 technology, these high-performance 8-bit MCUs execute most instructions in a single clock cycle. Application performance can be boosted to up to 30 MIPS throughput.
Offering a wide range of internal RAM configurations plus rich features such as interrupt controllers and timer/counters, the highly efficient design of these MCUs can help reduce system power consumption by bringing the clock frequency down to any value without data loss.
These powerful ROM-less 8051 MCUs are suitable for existing ROM-less applications that require a combination of performance, flexibility and power efficiency.
Product | Status | 5K Pricing | CPU Type | Architecture | Family | Program Memory Size (KB) | Program Memory Size (KWords) | Bootload capable | SRAM (Bytes) | Emulated EEPROM in Flash | Max I/O Pins | Pin count | Max CPU Speed (MHz) | Peripheral Pin Select / Pin Muxing | Vbat/Vddbu battery backup | Brown-Out Reset | Low Voltage Detection | Power On Reset | Internal Oscillator | Hardware RTCC/RTC | Watch Dog Timer | Number of Comparators | Number of Op Amps | Number of ADCs | ADC Input | Max ADC Resolution (Bits) | Max ADC Sampling Rate (ksps) | ADC with Computation | Number of DACs | DAC Outputs | Max DAC Resolution (Bits) | Internal Voltage Reference (Bandgap) | Zero Cross detect | Slope Compensation / Programmable Ramp Generator | Data Signal Modulator | CTMU | Max 8-Bit Digital Timers | Max 16-Bit Digital Timers | Signal Measurement Timer | Hardware Limit Timer | Stand alone PWMs | Capture / Compare/PWM (CCP) | Enhanced Capture/Compare/PWM (ECCP) | Max PWM outputs (including complementary) | Number of PWM Time Bases | PWM Max Resolution (Bits) | Quadrature Encoder Interface | Angular Timer | Math Accelerator | UART | SPI | I2C | Number of USB Modules | USB Interface | USB Active Clock Tuning | Number of CAN Modules | CAN Transmit Buffers | CAN Receive Buffers | Ethernet | LIN | IrDA | Parallel Port | Class B Support | CRC | Configurable Logic Cell (CLC/CCL) | Complementary Waveform Generator / Complementary Output Generator | Numerically Controlled Oscillator | Programmable Switched Mode Controller | Hardware Cap Voltage Divider | Cap. Touch Channels | Segmented LCD | Keeloq Hardware | Crypto Engine | JTAG | Temp Range Min | Temp Range Max | Operation Voltage Min (V) | Operation Voltage Max (V) | High Voltage Capable | Packages |
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AT80C51RD2 | In Production | $1.08 | 8-bit 8051 MCU | 8 | 8-bit MCU | 0 | 0 | No | 1 | 0 | 32 | 44 | 60 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 0 | 0 | 0 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 1 | 0 | 0 | None | No | 0 | 0 | 0 | None | Yes | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 2.7 | 5.5 | No | 44/LQFP, 44/PLCC, 40/PDIP | ||
AT89C2051 | In Production | $0.76 | 8-bit 8051 MCU | 8 | 8-bit MCU | 2 | 2 | No | 0 | 0 | 15 | 20 | 24 | No | No | No | No | N/A | No | 0 | 0 | 0 | 0 | 0 | 0 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 0 | 0 | 0 | None | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | -55 | 125 | 2.7 | 6 | No | 20/SOIC, 20/PDIP | ||
AT89C4051 | In Production | $0.80 | 8-bit 8051 MCU | 8 | 8-bit MCU | 4 | 4 | No | 0 | 0 | 15 | 20 | 24 | No | No | No | No | N/A | No | 0 | 0 | 0 | 0 | 0 | 0 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 0 | 0 | 0 | None | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 2.7 | 6 | No | 20/SOIC, 20/PDIP | ||
AT89C51IC2 | In Production | $4.43 | 8-bit 8051 MCU | 8 | 8-bit MCU | 32 | 32 | API | 1 | 0 | 34 | 44 | 60 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 0 | 0 | 0 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 1 | 1 | 0 | None | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 2.7 | 5.5 | No | 44/LQFP, 44/PLCC | ||
AT89C51RB2 | In Production | $3.78 | 8-bit 8051 MCU | 8 | 8-bit MCU | 16 | 16 | API | 1 | 0 | 32 | 44 | 60 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 0 | 0 | 0 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 1 | 0 | 0 | None | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 2.7 | 5.5 | No | 44/LQFP, 44/PLCC, 40/PDIP | ||
AT89C51RC | In Production | $1.52 | 8-bit 8051 MCU | 8 | 8-bit MCU | 32 | 32 | No | 0 | 0 | 32 | 44 | 24 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 0 | 0 | 0 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 0 | 0 | 0 | None | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 4 | 6 | No | 44/TQFP, 44/PLCC, 40/PDIP | ||
AT89C51RC2 | In Production | $4.33 | 8-bit 8051 MCU | 8 | 8-bit MCU | 32 | 32 | API | 1 | 0 | 32 | 44 | 60 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 0 | 0 | 0 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 1 | 0 | 0 | None | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 2.7 | 5.5 | No | 44/LQFP, 44/PLCC, 40/PDIP | ||
AT89C51RD2 | In Production | $4.54 | 8-bit 8051 MCU | 8 | 8-bit MCU | 64 | 64 | API | 2 | 0 | 32 | 44 | 60 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 0 | 0 | 0 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 1 | 0 | 0 | None | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 2.7 | 5.5 | No | 44/LQFP, 64/LQFP, 44/PLCC | ||
AT89C55WD | In Production | $1.53 | 8-bit 8051 MCU | 8 | 8-bit MCU | 20 | 20 | No | 0 | 0 | 32 | 44 | 24 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 0 | 0 | 0 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 0 | 0 | 0 | None | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 4 | 6 | No | 44/TQFP, 44/PLCC, 40/PDIP | ||
AT89LP2052 | In Production | $1.04 | 8-bit 8051 MCU | 8 | 8-bit MCU | 2 | 2 | No | 0 | 0 | 15 | 20 | 20 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 0 | 0 | 0 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 1 | 0 | 0 | None | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 2.4 | 5.5 | No | 20/TSSOP, 20/SOIC, 20/PDIP | ||
AT89LP213 | In Production | $1.06 | 8-bit 8051 MCU | 8 | 8-bit MCU | 2 | 2 | No | 0 | 0 | 14 | 14 | 20 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 0 | 0 | 0 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 0 | 1 | 0 | 0 | None | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 2.4 | 5.5 | No | 14/TSSOP, 14/PDIP | ||
AT89LP214 | In Production | $1.06 | 8-bit 8051 MCU | 8 | 8-bit MCU | 2 | 2 | No | 0 | 0 | 12 | 14 | 20 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 0 | 0 | 0 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 1 | 0 | 0 | None | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 2.4 | 5 | No | 14/TSSOP, 14/PDIP | ||
AT89LP216 | In Production | $1.02 | 8-bit 8051 MCU | 8 | 8-bit MCU | 2 | 2 | No | 0 | 0 | 14 | 16 | 20 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 0 | 0 | 0 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 1 | 0 | 0 | None | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 2.4 | 5.5 | No | 16/SOIC | ||
AT89LP4052 | In Production | $1.22 | 8-bit 8051 MCU | 8 | 8-bit MCU | 4 | 4 | No | 0 | 0 | 15 | 20 | 20 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 0 | 0 | 0 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 1 | 0 | 0 | None | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 2.4 | 5.5 | No | 20/TSSOP, 20/SOIC, 20/PDIP | ||
AT89LP51IC2 | In Production | $2.50 | 8-bit 8051 MCU | 8 | 8-bit MCU | 32 | 32 | API | 1 | 0 | 42 | 44 | 20 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 7 | 10 | 153 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 1 | 1 | 0 | None | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 2.4 | 5.5 | No | 44/LQFP, 44/VQFN, 44/PLCC | ||
AT89LP51RB2 | In Production | $2.04 | 8-bit 8051 MCU | 8 | 8-bit MCU | 0 | 0 | API | 1 | 0 | 42 | 44 | 20 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 7 | 10 | 153 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 1 | 1 | 0 | None | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 2.4 | 5.5 | No | 44/LQFP, 44/TQFP, 44/VQFN, 44/PLCC | ||
AT89LP51RC2 | In Production | $2.25 | 8-bit 8051 MCU | 8 | 8-bit MCU | 32 | 32 | API | 1 | 0 | 42 | 44 | 20 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 7 | 10 | 153 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 1 | 1 | 0 | None | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 2.4 | 5.5 | No | 44/LQFP, 44/TQFP, 44/VQFN, 44/PLCC | ||
AT89LP51RD2 | In Production | $2.70 | 8-bit 8051 MCU | 8 | 8-bit MCU | 64 | 64 | API | 2 | 0 | 42 | 44 | 20 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 7 | 10 | 153 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 1 | 1 | 0 | None | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 2.4 | 5.5 | No | 44/LQFP, 44/TQFP, 44/VQFN, 44/PLCC, 40/PDIP | ||
AT89LS51 | In Production | $1.13 | 8-bit 8051 MCU | 8 | 8-bit MCU | 4 | 4 | No | 0 | 0 | 32 | 44 | 16 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 0 | 0 | 0 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 0 | 0 | 0 | None | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 2.7 | 4 | No | 44/TQFP, 44/PLCC, 40/PDIP | ||
AT89LS52 | In Production | $1.23 | 8-bit 8051 MCU | 8 | 8-bit MCU | 8 | 8 | No | 0 | 0 | 32 | 44 | 16 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 0 | 0 | 0 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 0 | 0 | 0 | None | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 2.7 | 4 | No | 44/TQFP, 44/PLCC, 40/PDIP | ||
AT89S2051 | In Production | $1.39 | 8-bit 8051 MCU | 8 | 8-bit MCU | 2 | 2 | No | 0 | 0 | 15 | 20 | 24 | No | No | No | No | N/A | No | 0 | 0 | 0 | 0 | 0 | 0 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 0 | 0 | 0 | None | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 2.7 | 5.5 | No | 20/SOIC, 20/PDIP | ||
AT89S4051 | In Production | $1.19 | 8-bit 8051 MCU | 8 | 8-bit MCU | 4 | 4 | No | 0 | 0 | 15 | 20 | 24 | No | No | No | No | N/A | No | 0 | 0 | 0 | 0 | 0 | 0 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 0 | 0 | 0 | None | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 2.7 | 5.5 | No | 20/SOIC, 20/PDIP | ||
AT89S51 | In Production | $1.13 | 8-bit 8051 MCU | 8 | 8-bit MCU | 4 | 4 | No | 0 | 0 | 32 | 44 | 24 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 0 | 0 | 0 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 0 | 0 | 0 | None | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 4 | 5.5 | No | 44/TQFP, 44/PLCC, 40/PDIP | ||
AT89S52 | In Production | $1.22 | 8-bit 8051 MCU | 8 | 8-bit MCU | 8 | 8 | No | 0 | 0 | 32 | 44 | 24 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 0 | 0 | 0 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 0 | 0 | 0 | None | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 4 | 5.5 | No | 44/TQFP, 44/PLCC, 40/PDIP | ||
AT89C5130A-M | In Production | $3.24 | 8-bit 8051 MCU | 8 | 8-bit MCU | 16 | 16 | API | 1 | 1024 | 34 | 64 | 48 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 0 | 0 | 0 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 1 | 1 | 1 | Full Speed | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 2.7 | 5.5 | No | 52/PLCC, 32/VQFN, 64/LQFP | ||
AT89C5131A-L | In Production | $4.11 | 8-bit 8051 MCU | 8 | 8-bit MCU | 32 | 32 | API | 1 | 1024 | 34 | 64 | 48 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 0 | 0 | 0 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 1 | 1 | 1 | Full Speed | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 3 | 3.6 | No | 52/PLCC, 64/LQFP, 28/SOIC | ||
AT89C5131A-M | In Production | $4.00 | 8-bit 8051 MCU | 8 | 8-bit MCU | 32 | 32 | API | 1 | 1024 | 34 | 64 | 48 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 0 | 0 | 0 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 1 | 1 | 1 | Full Speed | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 2.7 | 5.5 | No | 52/PLCC, 32/VQFN, 64/LQFP | ||
AT89LP828 | In Production | $1.57 | 8-bit 8051 MCU | 8 | 8-bit MCU | 8 | 8 | IAP | 0 | 1024 | 30 | 32 | 25 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 0 | 0 | 0 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 1 | 0 | 0 | None | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 2.4 | 5.5 | No | 32/TQFP, 28/SPDIP | ||
AT89C5115 | In Production | $4.86 | 8-bit 8051 MCU | 8 | 8-bit MCU | 16 | 16 | API | 0 | 2048 | 20 | 32 | 40 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 8 | 10 | 62 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 0 | 0 | 0 | None | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 3 | 5.5 | No | 32/LQFP, 28/PLCC, 28/SOIC | ||
AT89C51AC2 | In Production | $5.19 | 8-bit 8051 MCU | 8 | 8-bit MCU | 32 | 32 | API | 1 | 2048 | 34 | 44 | 40 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 8 | 10 | 62 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 0 | 0 | 0 | None | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 3 | 5.5 | No | 44/LQFP, 44/PLCC | ||
AT89C51AC3 | In Production | $5.41 | 8-bit 8051 MCU | 8 | 8-bit MCU | 64 | 64 | API | 2 | 2048 | 32 | 64 | 60 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 8 | 10 | 62 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 1 | 0 | 0 | None | No | 0 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 3 | 5.5 | No | 44/LQFP, 52/PLCC, 64/LQFP, 44/PLCC | ||
AT89C51CC01 | In Production | $4.81 | 8-bit 8051 MCU | 8 | 8-bit MCU | 32 | 32 | API | 1 | 2048 | 34 | 44 | 40 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 8 | 10 | 62 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 0 | 0 | 0 | None | No | 1 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 3 | 5.5 | No | 44/LQFP, 44/PLCC | ||
AT89C51CC02 | In Production | $4.33 | 8-bit 8051 MCU | 8 | 8-bit MCU | 16 | 16 | API | 0 | 2048 | 20 | 32 | 40 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 8 | 10 | 62 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 0 | 0 | 0 | None | No | 1 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | -40 | 85 | 3 | 5.5 | No | 32/LQFP, 28/PLCC, 28/SOIC | ||
AT89C51CC03 | In Production | $5.66 | 8-bit 8051 MCU | 8 | 8-bit MCU | 64 | 64 | API | 2 | 2048 | 37 | 64 | 40 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 8 | 10 | 62 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 | 1 | 0 | 0 | None | No | 1 | 0 | 0 | None | No | No | No | No | No | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | None | 0 | 0 | 3 | 5.5 | No | 44/LQFP, 52/PLCC, 64/LQFP, 44/PLCC | ||
AT89C51ED2 | In Production | $5.19 | 8-bit 8051 MCU | 8 | 8-bit MCU | 64 | 64 | API | 2 | 2048 | 32 | 44 | 60 | No | No | No | No | N/A | Yes | 0 | 0 | 0 | 0 | 0 | 0 | No | 0 | 0 | 0 | No | No | 0 | 0 | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | 1 |