ATMEGA644V-10MU Atmel, ATMEGA644V-10MU Datasheet - Page 18

• Manufacturer Part Number: ATMEGA644V-10MU
• Description: IC AVR MCU FLASH 64K 44-QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA644V-10MU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 64KB (32K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-VQFN Exposed Pad
• Package: 44QFN EP
• Device Core: AVR
• Family Name: ATmega
• Maximum Speed: 10 MHz
• Operating Supply Voltage: 2.5|3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 32
• Interface Type: JTAG/SPI/TWI/USART
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 3
• Processor Series: ATMEGA64x
• Core: AVR8
• Data Ram Size: 4 KB
• Maximum Clock Frequency: 20 MHz
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• For Use With: ATSTK600-TQFP44 - STK600 SOCKET/ADAPTER 44-TQFPATSTK600 - DEV KIT FOR AVR/AVR32770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

7.3
2593NS–AVR–07/10
44M1
K
Package Drawing Contact:
[e-mail]
E2
L
Note: JEDEC Standard MO-220, Fig. 1 (SAW Singulation) VKKD-3.
Marked Pin# 1 ID
K
BOTTOM VIEW
b
TOP VIEW
D2
D
e
TITLE
44M1, 44-pad, 7 x 7 x 1.0 mm Body, Lead
Pitch 0.50 mm, 5.20 mm Exposed Pad, Thermally
Enhanced Plastic Very Thin Quad Flat No
Lead Package (VQFN)
1
2
3
E
Pin #1 Corner
Option B
Option C
Option A
Pin #1
Triangle
Pin #1
Chamfer
(C 0.30)
Pin #1
Notch
(0.20 R)
A
SYMBOL
SIDE VIEW
A
A1
A3
b
D
D2
E
E2
e
L
K
SEATING PLANE
A1
A3
0.80
0.18
6.90
5.00
6.90
5.00
0.59
0.20
COMMON DIMENSIONS
MIN
(Unit of Measure = mm)
–
GPC
ZWS
0.50 BSC
0.20 REF
NOM
0.90
0.02
0.23
7.00
5.20
7.00
5.20
0.64
0.26
DRAWING NO.
ATmega644
MAX
1.00
0.05
0.30
7.10
5.40
7.10
5.40
0.69
0.41
44M1
NOTE
9/26/08
REV.
H
18