PIC18LF4221-I/PT Microchip Technology, PIC18LF4221-I/PT Datasheet - Page 335

• Manufacturer Part Number: PIC18LF4221-I/PT
• Description: 4 KB Flash, 512 RAM 44 TQFP 10x10x1mm TRAY
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18LF4221-I/PT

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 13x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 27-3:
© 2009 Microchip Technology Inc.
F
Note: V
MAX
6.0V
5.5V
5.0V
4.5V
4.0V
3.5V
3.0V
2.5V
2.0V
= (9.54 MHz/V) (V
DDAPPMIN
PIC18LF2221/2321/4221/4321 VOLTAGE-FREQUENCY GRAPH (INDUSTRIAL)
PIC18F2221/2321/4221/4321 FAMILY
is the minimum voltage of the PIC
4 MHz
DDAPPMIN
– 2.0V) + 4 MHz
Frequency
®
device in the application.
25 MHz
40 MHz
DS39689F-page 335
4.2V