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| Part Number | PIC18C452-I/PT | PIC18C452T-I/PT | PIC18C442-I/PT | PIC18C452-E/PT | PIC18C452-I/P |
|---|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Status | Obsolete | Obsolete | Active | Obsolete | Active |
| Core Processor | PIC | PIC | PIC | PIC | PIC |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| Speed | 40MHz | 40MHz | 40MHz | 40MHz | 40MHz |
| Connectivity | I²C, SPI, UART/USART | I²C, SPI, UART/USART | I²C, SPI, UART/USART | I²C, SPI, UART/USART | I²C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, LVD, POR, PWM, WDT | Brown-out Detect/Reset, LVD, POR, PWM, WDT | Brown-out Detect/Reset, LVD, POR, PWM, WDT | Brown-out Detect/Reset, LVD, POR, PWM, WDT | Brown-out Detect/Reset, LVD, POR, PWM, WDT |
| Number of I/O | 33 | 33 | 33 | 33 | 33 |
| Program Memory Size | 32KB (16K x 16) | 32KB (16K x 16) | 16KB (8K x 16) | 32KB (16K x 16) | 32KB (16K x 16) |
| Program Memory Type | OTP | OTP | OTP | OTP | OTP |
| EEPROM Size | - | - | - | - | - |
| RAM Size | 1.5K x 8 | 1.5K x 8 | 512 x 8 | 1.5K x 8 | 1.5K x 8 |
| Voltage - Supply (Vcc/Vdd) | 4.2V ~ 5.5V | 4.2V ~ 5.5V | 4.2V ~ 5.5V | 4.2V ~ 5.5V | 4.2V ~ 5.5V |
| Data Converters | A/D 8x10b | A/D 8x10b | A/D 8x10b | A/D 8x10b | A/D 8x10b |
| Oscillator Type | External | External | External | External | External |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Through Hole |
| Package / Case | 44-TQFP | 44-TQFP | 44-TQFP | 44-TQFP | 40-DIP (0.600", 15.24mm) |
| Supplier Device Package | 44-TQFP (10x10) | 44-TQFP (10x10) | 44-TQFP (10x10) | 44-TQFP (10x10) | 40-PDIP |
