PIC18F2221-I/ML Microchip Technology, PIC18F2221-I/ML Datasheet - Page 377

• Manufacturer Part Number: PIC18F2221-I/ML
• Description: IC PIC MCU FLASH 2KX16 28QFN
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2221-I/ML

• Core Size: 8-Bit
• Program Memory Size: 4KB (2K x 16)
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 25
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 10x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Controller Family/series: PIC18
• No. Of I/o's: 25
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 512Byte
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Package: 28QFN EP
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Operating Supply Voltage: 5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 25
• Interface Type: I2C/SPI/USART
• On-chip Adc: 10-chx10-bit
• Number Of Timers: 4
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT28QFN4 - SOCKET TRANS ICE 28QFN W/CABLEAC164322 - MODULE SOCKET MPLAB PM3 28/44QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

© 2007 Microchip Technology Inc.
44-Lead Plastic Thin Quad Flatpack (PT) – 10x10x1 mm Body, 2.00 mm Footprint [TQFP]
Notes:
1. Pin 1 visual index feature may vary, but must be located within the hatched area.
2. Chamfers at corners are optional; size may vary.
Note:
For the most current package drawings, please see the Microchip Packaging Specification located at
http://www.microchip.com/packaging
c
NOTE 1
e
b
Number of Leads
Lead Pitch
Overall Height
Molded Package Thickness
Standoff
Foot Length
Footprint
Foot Angle
Overall Width
Overall Length
Molded Package Width
Molded Package Length
Lead Thickness
Lead Width
Mold Draft Angle Top
Mold Draft Angle Bottom
β
N
1 2 3
D
D1
Dimension Limits
Preliminary
φ
E1
Units
A2
A1
E1
D1
L
L1
N
A
E
D
α
NOTE 2
e
L
φ
c
b
β
E
A1
PIC18F4321 FAMILY
A
0.95
0.05
0.45
0.09
0.30
MIN
11°
11°
0°
–
MILLIMETERS
L1
12.00 BSC
12.00 BSC
10.00 BSC
10.00 BSC
0.80 BSC
1.00 REF
NOM
0.60
0.37
1.00
3.5°
12°
12°
44
–
–
–
α
MAX
1.20
1.05
0.15
0.75
0.20
0.45
13°
13°
7°
A2
DS39689E-page 375