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| PartNumber | AT87C51RB2-SLSUL | AT87C51RB2-RLTUL | AT87C51RB2-3CSUM |
| Description | 8-bit Microcontrollers - MCU OTP RB/16K 40MHZ 3V | 8-bit Microcontrollers - MCU OTP RB/16K 40MHZ 3V | 8-bit Microcontrollers - MCU 32KB SCMOS 3/2 .5 OTP |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | Through Hole |
| Package / Case | PLCC-44 | VQFP-44 | PDIL-40 |
| Series | 87C | 87C | 87C |
| Core | 80C51 | 80C51 | 80C51 |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 60 MHz | 60 MHz | 60 MHz |
| Program Memory Size | 16 kB | 16 kB | 16 kB |
| Data RAM Size | 512 B | 512 B | 512 B |
| ADC Resolution | No ADC | No ADC | No ADC |
| Number of I/Os | 32 I/O | 32 I/O | 32 I/O |
| Operating Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | 0 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 70 C |
| Height | 3.48 mm | 1.45 mm | 4.95 mm |
| Length | 16.7 mm | 10.1 mm | 53.21 mm |
| Product | MCU | MCU | MCU |
| Program Memory Type | OTP | OTP | OTP |
| Width | 16.7 mm | 10.1 mm | 14.73 mm |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Interface Type | UART | UART | UART |
| Number of Timers/Counters | 3 Timer | 3 Timer | 3 Timer |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 972 | 800 | 216 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 2.7 V | 2.7 V | 4.5 V |
| Unit Weight | 0.084185 oz | - | - |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology / Atmel |
AT87C51RB2-SLSUL | 8-bit Microcontrollers - MCU OTP RB/16K 40MHZ 3V | |
| AT87C51RB2-RLTUL | 8-bit Microcontrollers - MCU OTP RB/16K 40MHZ 3V | ||
| AT87C51RB2-3CSUM | 8-bit Microcontrollers - MCU 32KB SCMOS 3/2 .5 OTP | ||
| AT87C51RB2-SLSUM | 8-bit Microcontrollers - MCU OTP RB/16K 40MHZ 3V | ||
| AT87C51RB2-3CSUL | IC MCU 8BIT 16KB OTP 40PDIL | ||
| AT87C51RB2-3CSUM | IC MCU 8BIT 16KB OTP 40PDIL | ||
| AT87C51RB2-RLTUL | IC MCU 8BIT 16KB OTP 44VQFP | ||
| AT87C51RB2-RLTUM | IC MCU 8BIT 16KB OTP 44VQFP | ||
| AT87C51RB2-SLRUM | IC MCU 8BIT 16KB OTP 44PLCC | ||
| AT87C51RB2-SLSUL | IC MCU 8BIT 16KB OTP 44PLCC | ||
| AT87C51RB2-SLSUM | IC MCU 8BIT 16KB OTP 44PLCC | ||
| AT87C51RB2-UM | New and Original | ||
| AT87C51RB2RLTUM | Microcontroller, 8-Bit, OTPROM, 8051 CPU, 40MHz, CMOS, PQFP44 | ||
| AT87C51RB2-RLRUM | IC MCU 8BIT 16KB OTP 44VQFP |