ATMEGA48-20MI Atmel, ATMEGA48-20MI Datasheet - Page 353

• Manufacturer Part Number: ATMEGA48-20MI
• Description: IC AVR MCU 4K 5V 20MHZ 32-QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA48-20MI

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 23
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: ATMEGA48-24MI; ATMEGA48-24MI

33.2
2545S–AVR–07/10
28M1
Note:
0.4 Ref
(4x)
Package Drawing Contact:
[e-mail]
b
2
3
1
K
The terminal #1 ID is a Laser-marked Feature.
BOTTOM VIEW
Pin 1 ID
TOP VIEW
D2
D
R 0.20
TITLE
28M1, 28-pad, 4 x 4 x 1.0 mm Body, Lead Pitch 0.45 mm,
2.4 x 2.4 mm Exposed Pad, Thermally Enhanced
Plastic Very Thin Quad Flat No Lead Package (VQFN)
e
1
2
3
0.45
E2
E
L
A
SYMBOL
A
A1
b
C
D
D2
E
E2
e
L
y
K
GPC
ATmega48/88/168
COMMON DIMENSIONS
0.80
0.00
0.17
3.95
2.35
3.95
2.35
0.35
0.00
0.20
MIN
(Unit of Measure = mm)
SIDE VIEW
C
A1
ZBV
y
0.20 REF
NOM
0.90
0.02
0.22
4.00
2.40
4.00
2.40
0.45
0.40
–
–
DRAWING NO.
28M1
MAX
1.00
0.05
0.27
4.05
2.45
4.05
2.45
0.45
0.08
–
10/24/08
NOTE
REV.
B
353