Microchip Technology PIC18F4321-I/P Microcontrollers
IC MCU 8BIT 8KB FLASH 40DIP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
PIC18F4321-I/P
Base Model
Detailed Description
IC MCU 8BIT 8KB FLASH 40DIP
Package
40-DIP (0.600", 15.24mm)
Lifecycle Status
Active
Datasheet
PIC18F4321-I/P Datasheet
Quick Jump:
Technical Specifications
Microchip Technology PIC18F4321-I/P Microcontrollers technical specifications.
General
RAM Size
512 x 8
RoHS
Yes
Number of Pins
40
Package / Case
40-DIP
Mounting Type
Through Hole
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
4.2V ~ 5.5V
Lifecycle Status
Active
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number of I/O
36
Alternate Parts Comparison (PIC18F4321-I/P vs PIC18F27Q84 vs PIC18F67K90 vs PIC18F47K42)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 40-DIP | -- | -- | -- |
| Mounting Type | Through Hole | -- | -- | -- |
| Operating Temperature | -40°C ~ 85°C (TA) | -- | -- | -- |
| Supply Voltage | 4.2V ~ 5.5V | -- | -- | -- |
| Core Processor | PIC | -- | -- | -- |
| Core Size | 8-Bit | -- | -- | -- |
| RAM Size | 512 x 8 | -- | -- | -- |
| Connectivity | I²C, SPI, UART/USART | -- | -- | -- |
| Data Converters | A/D 13x10b | -- | -- | -- |
| EEPROM Size | 256 x 8 | -- | -- | -- |
| Number of I/O | 36 | -- | -- | -- |
| Oscillator Type | Internal | -- | -- | -- |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
MC9S08QE16CLDNXP SemiconductorsNXP
IC MCU 8BIT 16KB FLASH 44LQFP
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