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ATMEGA644-20AU

Manufacturer

Microchip Technology
Manufacturer's Part Number

ATMEGA644-20AU
Description

MICROCONTROLLER, RISC; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 44; Package Code: TQFP; Package Shape: SQUARE;
Datasheet

Datasheet

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ATMEGA644-20AU Technical Details

TYPE	DESCRIPTION
Minimum Supply Voltage:	4.5 V
Package Body Material:	PLASTIC/EPOXY
Integrated Cache:	NO
Maximum Time At Peak Reflow Temperature (s):	40
Sub-Category:	Microcontrollers
Surface Mount:	YES
On Chip Data RAM Width:	8
Address Bus Width:	0
Technology:	CMOS
Maximum Clock Frequency:	16 MHz
Package Shape:	SQUARE
Terminal Form:	GULL WING
Package Code:	TQFP
Moisture Sensitivity Level (MSL):	3
No. of External Interrupts:	35
Bit Size:	8
DAC Channels:	NO
Qualification:	Not Qualified
Package Equivalence Code:	TQFP44,.39SQ,31
PWM Channels:	YES
Additional Features:	ALSO OPERATES AT 2.7V SUPPLY AT 10 MHZ
Connectivity:	SPI, UART, USART
Peak Reflow Temperature (C):	260
ROM Programmability:	FLASH
Terminal Pitch:	.8 mm
CPU Family:	AVR RISC
Nominal Supply Voltage:	5 V
Maximum Seated Height:	1.2 mm
Maximum Supply Current:	9 mA
Terminal Finish:	MATTE TIN
ADC Channels:	YES
No. of Terminals:	44
No. of Timers:	3
No. of Serial I/Os:	1
DMA Channels:	NO
Terminal Position:	QUAD
Format:	FIXED POINT
Package Style (Meter):	FLATPACK, THIN PROFILE
No. of I/O Lines:	32
JESD-30 Code:	S-PQFP-G44
ROM Words:	32768
Maximum Operating Temperature:	85 Cel
Width:	10 mm
Data EEPROM Size:	2048
Speed:	20 rpm
Peripheral IC Type:	MICROCONTROLLER, RISC
Maximum Supply Voltage:	5.5 V
RAM Bytes:	4096
Low Power Mode:	YES
Boundary Scan:	YES
External Data Bus Width:	0
Peripherals:	BOD, BOR, COMPARATOR, PWM(6), POR, RTC, TIMER(3), WDT
JESD-609 Code:	e3
Minimum Operating Temperature:	-40 Cel
Length:	10 mm
On Chip Program ROM Width:	16
Temperature Grade:	INDUSTRIAL
Power Supplies (V):	3/5

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