S87C51-20
Microcontroller, 8-Bit, OTPROM, 8051 CPU, 20MHz, CMOS, PQFP44Manufacturer: Intel
Categories: Microcontrollers
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The Intel S87C51 series microcontroller, part number S87C51-20, is an 8-bit device featuring the 8051 CPU family. This CMOS component operates at a maximum clock frequency of 20MHz and includes 4KB of On-Time Programmable Read-Only Memory (OTPROM) for program storage and 128 bytes of on-chip data RAM. It supports an 8-bit external data bus and a 16-bit address bus, providing 32 general-purpose I/O lines. Additional features include a Boolean processor and on-circuit emulation capabilities. Designed for surface mounting in a 44-lead PQFP package, this microcontroller operates within a supply voltage range of 5V to 6V and is suitable for applications in industrial automation, consumer electronics, and telecommunications.
Additional Information
Series: S87C51RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Format | Fixed Point |
| Length | 10.0000 |
| Speed | 20.00000000 |
| Width | 10.0000 |
| Technology | CMOS |
| ADC_Channels | No |
| Additional_Feature | BOOLEAN PROCESSOR; ON-CIRCUIT EMULATION |
| Address_Bus_Width | 16 |
| Bit_Size | 8 |
| Boundary_Scan | No |
| Clock_Frequency_Max | 20.0000000000000000 |
| CPU_Family | 8051 |
| DAC_Channels | No |
| Data_RAM_Size | 128 |
| DMA_Channels | No |
| External_Data_Bus_Width | 8 |
| Integrated_Cache | No |
| JESD_30_Code | S-PQFP-G44 |
| Low_Power_Mode | Yes |
| Number_of_DMA_Channels | 0 |
| Number_of_External_Interrupts | 2 |
| Number_of_I_O_Lines | 32 |
| Number_of_Serial_I_Os | 1 |
| Number_of_Terminals | 44 |
| Number_of_Timers | 2 |
| On_Chip_Data_RAM_Width | 8 |
| Operating_Temperature_Max | 70.0000 |
| Operating_Temperature_Min | 0.0000 |
| Package_Body_Material | PLASTIC/EPOXY |
| Package_Code | QFP |
| Package_Equivalence_Code | QFP44,.5SQ,32 |
| Package_Shape | Square |
| Package_Style | FlatPack |
| Program_Memory_Size | 4096 |
| Program_Memory_Type | OTPROM |
| Program_Memory_Width | 8 |
| PWM_Channels | No |
| Seated_Height_Max | 2.3500 |
| Supply_Current_Max | 32.00000000 |
| Supply_Voltage_Max | 6.0000 |
| Supply_Voltage_Min | 5.0000 |
| Supply_Voltage_Nom | 5.0000 |
| Surface_Mount | Yes |
| Terminal_Form | Gull Wing |
| Terminal_Pitch | 0.800 |
| Terminal_Position | QUAD |
| uPs_uCs_Peripheral_ICs_Type | Microcontroller |
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