ATMEGA325A-MU Atmel, ATMEGA325A-MU Datasheet - Page 668
![IC MCU AVR 32K FLASH 64VQFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
ATMEGA325A-MU
Manufacturer Part Number
ATMEGA325A-MU
Description
IC MCU AVR 32K FLASH 64VQFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA325A-MU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
54
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K 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
64-VFQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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33.3
668
Note:
64MC
D
ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/645
D2
A25
A18
Package Drawing Contact:
packagedrawings@atmel.com
1. The terminal #1 ID is a Laser-marked Feature.
B22
B16
A26
A17
L
B23
B15
Pin 1 ID
eT/2
BOTTOM VIEW
TOP VIEW
E2
E
eT
R0.20
TITLE
64MC, 64QFN (2-Row Staggered),
7 x 7 x 1.00 mm Body, 4.0 x 4.0 mm Exposed Pad,
Quad Flat No Lead Package
0.40
B30
K
B8
A34
A9
B1
B7
A1
A8
(0.18) REF
L
b
(0.1) REF
eT
SYMBOL
A
A
A1
b
C
D
D2
E
E2
eT
eR
K
L
y
COMMON DIMENSIONS
0.80
0.00
0.18
6.90
3.95
6.90
3.95
0.20
0.35
0.00
MIN
(Unit of Measure = mm)
–
–
C
A1
GPC
SIDE VIEW
ZXC
0.20 REF
y
NOM
0.90
0.02
0.23
7.00
4.00
7.00
4.00
0.65
0.65
0.40
–
–
DRAWING NO.
MAX
0.075
1.00
0.05
0.28
7.10
4.05
7.10
4.05
0.45
64MC
–
–
–
8285B–AVR–03/11
NOTE
(REF)
10/3/07
REV.
A
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