PIC18LF2420-I/SP Microchip Technology, PIC18LF2420-I/SP Datasheet - Page 347

• Manufacturer Part Number: PIC18LF2420-I/SP
• Description: IC MCU FLASH 8KX16 28-DIP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18LF2420-I/SP

• 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, HLVD, POR, PWM, WDT
• Number Of I /o: 25
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 10x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-DIP (0.300", 7.62mm)
• Controller Family/series: PIC18
• No. Of I/o's: 25
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 768Byte
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Package: 28SPDIP
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Operating Supply Voltage: 2.5|3.3|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
• Core: PIC
• Processor Series: PIC18LF
• Maximum Clock Frequency: 40 MHz
• Data Ram Size: 768 B
• Data Rom Size: 256 B
• Mounting Style: Through Hole
• Height: 3.3 mm
• Length: 34.67 mm
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2 V
• Width: 7.24 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

FIGURE 26-8:
FIGURE 26-9:
TABLE 26-10: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER
© 2008 Microchip Technology Inc.
Param.
30
31
32
33
34
35
36
37
38
39
No.
Watchdog
Note:
Time-out
Time-out
I/O pins
Internal
Internal
PWRT
MCLR
Reset
Timer
Reset
Internal Reference
Reference Voltage
TmcL
T
T
T
T
T
T
T
T
T
POR
OSC
Symbol
V
OST
CSD
WDT
PWRT
IOZ
BOR
IRVST
LVD
IOBST
DD
Enable Internal
Voltage Stable
Refer to Figure 26-5 for load conditions.
AND BROWN-OUT RESET REQUIREMENTS
MCLR Pulse Width (low)
Watchdog Timer Time-out Period
(no postscaler)
Oscillation Start-up Timer Period
Power-up Timer Period
I/O High-Impedance from MCLR
Low or Watchdog Timer Reset
Brown-out Reset Pulse Width
Time for Internal Reference
Voltage to become Stable
High/Low-Voltage Detect Pulse Width
CPU Start-up Time
Time for INTOSC to Stabilize
V
IRVST
V
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND
POWER-UP TIMER TIMING
BROWN-OUT RESET TIMING
DD
33
Characteristic
32
PIC18F2420/2520/4420/4520
36
BV
1024 T
DD
55.6
Min
200
200
3.4
—
—
—
—
2
OSC
34
65.5
30
Typ
4.1
20
10
—
—
—
—
2
1
1024 T
35
Max
4.71
75.4
50
—
—
—
—
—
—
OSC
31
Units
ms
ms
μs
—
μs
μs
μs
μs
μs
μs
T
V
V
OSC
DD
DD
DS39631E-page 345
34
≤ B
≤ V
= OSC1 period
Conditions
VDD
LVD
(see D005)