ATMEGA325A-MU Atmel, ATMEGA325A-MU Datasheet - Page 666

• 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

33. Packaging Information
33.1
666
Notes:
64A
2. Dimensions D1 and E1 do not include mold protrusion. Allowable
3. Lead coplanarity is 0.10 mm maximum.
1.This package conforms to JEDEC reference MS-026, Variation AEB.
ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/645
Notes:
R
protrusion is 0.25 mm per side. Dimensions D1 and E1 are maximum
plastic body size dimensions including mold mismatch.
2. Dimensions D1 and E1 do not include mold protrusion. Allowable
3. Lead coplanarity is 0.10 mm maximum.
1.This package conforms to JEDEC reference MS-026, Variation AEB.
2325 Orchard Parkway
San Jose, CA 95131
R
protrusion is 0.25 mm per side. Dimensions D1 and E1 are maximum
plastic body size dimensions including mold mismatch.
2325 Orchard Parkway
San Jose, CA 95131
C
C
e
0°~7°
PIN 1
e
0°~7°
PIN 1
TITLE
TITLE
64A, 64-lead, 14 x 14 mm Body Size, 1.0 mm Body Thickness,
0.8 mm Lead Pitch, Thin Profile Plastic Quad Flat Package (TQFP)
L
64A, 64-lead, 14 x 14 mm Body Size, 1.0 mm Body Thickness,
0.8 mm Lead Pitch, Thin Profile Plastic Quad Flat Package (TQFP)
L
PIN 1 IDENTIFIER
PIN 1 IDENTIFIER
D1
D
D1
D
B
B
E1
E1
A1
A1
E
E
A2
A2
SYMBOL
A
SYMBOL
A
A
A1
A2
D
D1
E
E1
B
C
L
e
A
A1
A2
D
D1
E
E1
B
C
L
e
15.75
13.90
15.75
13.90
0.30
0.05
0.09
0.45
COMMON DIMENSIONS
MIN
0.95
(Unit of Measure = mm)
15.75
13.90
15.75
13.90
0.30
–
0.05
0.09
0.45
COMMON DIMENSIONS
0.95
MIN
(Unit of Measure = mm)
–
0.80 TYP
16.00
14.00
16.00
14.00
NOM
1.00
0.80 TYP
–
–
–
–
–
16.00
14.00
16.00
14.00
NOM
1.00
DRAWING NO.
–
–
–
–
–
DRAWING NO.
16.25
14.10
16.25
14.10
MAX
1.20
0.15
1.05
0.45
0.20
64A
0.75
16.25
14.10
16.25
14.10
MAX
1.20
0.15
1.05
0.45
0.20
64A
0.75
2010-10-20
Note 2
Note 2
8285B–AVR–03/11
NOTE
2010-10-20
Note 2
Note 2
NOTE
REV.
C
REV.
C