ATTINY44A-MU Atmel, ATTINY44A-MU Datasheet - Page 277

• Manufacturer Part Number: ATTINY44A-MU
• Description: IC MCU AVR 4K FLASH 20MHZ 20QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY44A-MU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 12
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 256 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: 20-MLF®, QFN
• Processor Series: ATTINY4x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: SPI/USI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 12
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 20-ch x 10-bit
• Data Rom Size: 256 B
• A/d Bit Size: 10 bit
• A/d Channels Available: 20
• Height: 0.74 mm
• Length: 4 mm
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 1.8 V
• Width: 4 mm
• For Use With: ATSTK600 - 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

25.5
8183C–AVR–03/11
20M2
E2
E
Package Drawing Contact:
[e-mail]
15
14
13
12
11
L
16
10
Pin 1 ID
BOTTOM VIEW
17
9
TOP VIEW
Pin #1 Chamfer
(C 0.3)
D2
18
D
8
19
7
TITLE
20M2, 20-pad, 3 x 3 x 0.85 mm Body, Lead Pitch 0.45 mm,
1.55 x 1.55 mm Exposed Pad, Thermally Enhanced
Plastic Very Thin Quad Flat No Lead Package (VQFN)
6
20
K
1
2
3
4
5
0.3 Ref (4x)
C0.18 (8X)
b
e
A
SYMBOL
A
A1
b
C
D
D2
E
E2
e
L
K
y
SIDE VIEW
ATtiny24A/44A/84A
A1
A1
C
0.75
0.00
0.17
2.90
1.40
2.90
1.40
0.35
0.20
0.00
COMMON DIMENSIONS
MIN
(Unit of Measure = mm)
–
GPC
ZFC
y
0.152
NOM
0.80
0.02
0.22
3.00
1.55
3.00
1.55
0.45
0.40
–
–
DRAWING NO.
MAX
0.85
0.05
0.27
3.10
1.70
3.10
1.70
0.45
0.08
20M2
–
–
NOTE
10/24/08
REV.
B
277