PIC18F2431-E/SO Microchip Technology, PIC18F2431-E/SO Datasheet - Page 379

• Manufacturer Part Number: PIC18F2431-E/SO
• Description: IC MCU FLASH 8KX16 28SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2431-E/SO

• Core Size: 8-Bit
• Program Memory Size: 16KB (8K x 16)
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, Power Control PWM, QEI, POR, PWM, WDT
• Number Of I /o: 24
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-SOIC (7.5mm Width)
• Controller Family/series: PIC18
• No. Of I/o's: 24
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 768Byte
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: I3-DB18F4431 - BOARD DAUGHTER ICEPIC3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

© 2007 Microchip Technology Inc.
28-Lead Plastic Quad Flat, No Lead Package (ML) – 6x6 mm Body [QFN]
with 0.55 mm Contact Length
Notes:
1. Pin 1 visual index feature may vary, but must be located within the hatched area.
2. Package is saw singulated.
3. Dimensioning and tolerancing per ASME Y14.5M.
Note:
BSC: Basic Dimension. Theoretically exact value shown without tolerances.
REF: Reference Dimension, usually without tolerance, for information purposes only.
A3
For the most current package drawings, please see the Microchip Packaging Specification located at
http://www.microchip.com/packaging
Number of Pins
Pitch
Overall Height
Standoff
Contact Thickness
Overall Width
Exposed Pad Width
Overall Length
Exposed Pad Length
Contact Width
Contact Length
Contact-to-Exposed Pad
TOP VIEW
D
N
PIC18F2331/2431/4331/4431
Dimension Limits
1
2
A1
EXPOSED
E
Preliminary
A
NOTE 1
PAD
Units
D2
A1
A3
E2
N
A
E
D
K
e
b
L
E2
1
2
MIN
0.80
0.00
3.65
3.65
0.23
0.50
0.20
N
MILLIMETERS
BOTTOM VIEW
0.65 BSC
6.00 BSC
6.00 BSC
0.20 REF
NOM
0.90
0.02
3.70
3.70
0.30
0.55
28
D2
–
Microchip Technology Drawing C04-105B
MAX
1.00
0.05
4.20
4.20
0.35
0.70
–
L
DS39616C-page 377
b
K
e