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See Technical Specifications

AT89LS51-16PU

8-bit Microcontrollers - MCU LOW VOLTAGE 4K ISP FLASH-16MHZ 4-5.5V

Manufacturer:

Microchip
Mfr.Part #:

AT89LS51-16PU
Datasheet:

AT89LS51-16PU Datasheet (PDF)
Core:

8051
Program Memory Size:

4 kB
Data RAM Size:

128 B
Maximum Clock Frequency:

16 MHz
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AT89LS51-16PU General Description

Low-voltage, high-performance CMOS 8-bit microcontroller with 4KB of ISP flash memory. The device uses Microchip high-density, nonvolatile memory technology and is compatible with the industry-standard 80C51 instruction set and pinout. On-chip flash allows the program memory to be reprogrammed in-system or by a conventional nonvolatile memory programmer.

This is a powerful microcontroller suitable for many embedded control applications.

Specifications

Product Category	8-bit Microcontrollers - MCU	Core	8051
Program Memory Size	4 kB	Data RAM Size	128 B
Maximum Clock Frequency	16 MHz	ADC Resolution	No ADC
Number of I/Os	32 I/O	Supply Voltage - Min	2.7 V
Supply Voltage - Max	4 V	Mounting Style	Through Hole
Data Bus Width	8 bit	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 85 C	Series	89LS
Height	4.45 mm	Interface Type	UART
Length	52.58 mm	Number of Timers/Counters	2 Timer
Processor Series	AT89x	Product	MCUs
Product Type	8-bit Microcontrollers - MCU	Program Memory Type	Flash
Factory Pack Quantity	10	Subcategory	Microcontrollers - MCU
Width	13.97 mm	Unit Weight	0.210004 oz