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See Technical Specifications

AT89C51AC2-RLTUM +BOM

The ATCACRLTUM is an eight-bit microcontroller that combines the benefits of flash memory with the convenience of ADC capabilities in a single chip

Manufacturer:

MICROCHIP TECHNOLOGY INC
Mfr.Part #:

AT89C51AC2-RLTUM
Datasheet:

AT89C51AC2-RLTUM Datasheet (PDF)
Pbfree Code:

Yes
Part Life Cycle Code:

Obsolete
Reach Compliance Code:

compliant
Has ADC:

YES

AT89C51AC2-RLTUM General Description

Operating at a maximum frequency of 33MHz, the AT89C51AC2-RLTUM boasts a wide voltage range of 2.7V to 5.5V, making it suitable for a diverse set of projects. Whether you're working on industrial automation or IoT applications, this microcontroller has the capabilities to meet your requirements

Key Features

80C51 Core Architecture
256 Bytes of On-chip RAM
1 KB of On-chip XRAM
32 KB of On-chip Flash Memory
– Data Retention: 10 Years at 85°C Read/Write Cycle: 10K
2 KB of On-chip Flash for Bootloader
2 KB of On-chip EEPROM Read/Write Cycle: 100K
14-sources 4-level Interrupts
Three 16-bit Timers/Counters
Full Duplex UART Compatible 80C51
Maximum Crystal Frequency 40 MHz, in X2 Mode, 20 MHz (CPU Core, 20 MHz)
Five Ports: 32 + 2 Digital I/O Lines
Five-channel 16-bit PCA with:
– PWM (8-bit)
– High-speed Output
– Timer and Edge Capture
Double Data Pointer
21-bit Watchdog Timer (7 Programmable Bits)
10-bit Resolution Analog to Digital Converter (ADC) with 8 Multiplexed Inputs
On-chip Emulation Logic (Enhanced Hook System)
Power Saving Modes:
– Idle Mode
– Power-down Mode
Power Supply: 3V to 5.5V
Temperature Range: Industrial (-40° to +85°C)
Packages: VQFP44, PLCC44

Specifications

Source Content uid	AT89C51AC2-RLTUM	Pbfree Code	Yes
Part Life Cycle Code	Obsolete	Reach Compliance Code	compliant
Has ADC	YES	Address Bus Width	16
Bit Size	8	CPU Family	8051
Clock Frequency-Max	40 MHz	DAC Channels	NO
DMA Channels	NO	External Data Bus Width	8
JESD-30 Code	S-PQFP-G44	JESD-609 Code	e3
Length	10 mm	Moisture Sensitivity Level	3
Number of I/O Lines	34	Number of Terminals	44
Operating Temperature-Max	85 °C	Operating Temperature-Min	-40 °C
PWM Channels	YES	Power Supplies	3.3/5 V
Qualification Status	Not Qualified	RAM (bytes)	256
ROM (words)	32768	ROM Programmability	FLASH
Seated Height-Max	1.6 mm	Speed	40 MHz
Supply Current-Max	31 mA	Supply Voltage-Max	5.5 V
Supply Voltage-Min	3 V	Supply Voltage-Nom	5 V
Surface Mount	YES	Technology	CMOS
Temperature Grade	INDUSTRIAL	Terminal Finish	MATTE TIN
Terminal Form	GULL WING	Terminal Pitch	0.8 mm
Terminal Position	QUAD	Width	10 mm
uPs/uCs/Peripheral ICs Type	MICROCONTROLLER