ATMEGA325A-AU Atmel, ATMEGA325A-AU Datasheet - Page 30

• Manufacturer Part Number: ATMEGA325A-AU
• Description: IC MCU AVR 32K FLASH 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA325A-AU

• 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-TQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

9.4
8285BS–AVR–03/11
Notes:
100A
1. This package conforms to JEDEC reference MS-026, Variation AED.
2. Dimensions D1 and E1 do not include mold protrusion. Allowable
3. Lead coplanarity is 0.08 mm maximum.
protrusion is 0.25 mm per side. Dimensions D1 and E1 are maximum
plastic body size dimensions including mold mismatch.
R
2325 Orchard Parkway
San Jose, CA 95131
C
e
0°~7°
PIN 1
ATmega165A/165PA/325A/325PA/3250A/3250PA/6
L
PIN 1 IDENTIFIER
TITLE
100A, 100-lead, 14 x 14 mm Body Size, 1.0 mm Body Thickness,
0.5 mm Lead Pitch, Thin Profile Plastic Quad Flat Package (TQFP)
D1
D
B
E1
A1
E
A2
SYMBOL
A
A
A1
A2
D
D1
E
E1
B
C
L
e
15.75
13.90
15.75
13.90
0.17
0.05
0.09
0.45
COMMON DIMENSIONS
0.95
MIN
(Unit of Measure = mm)
–
0.50 TYP
16.00
14.00
16.00
14.00
NOM
1.00
–
–
–
–
–
DRAWING NO.
16.25
14.10
16.25
14.10
MAX
1.20
0.15
1.05
0.27
0.20
0.75
100A
2010-10-20
Note 2
Note 2
NOTE
REV.
D
30