Microchip Technology AT89LP428-20MH Microcontroller, Microprocessor, FPGA Modules
IC MCU 8BIT 4KB FLASH 32VQFN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
AT89LP428-20MH
Detailed Description
IC MCU 8BIT 4KB FLASH 32VQFN
Package
32-VFQFN Exposed Pad
Key Features
Package / Case: 32-VFQFN Exposed Pad; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
AT89LP428-20MH Datasheet
Quick Jump:
Technical Specifications
Microchip Technology AT89LP428-20MH Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
Series
89LP
RAM Size
768 x 8
RoHS
Yes
Package / Case
32-VFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.4V ~ 5.5V
Lifecycle Status
Active
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O
30
Alternate Parts Comparison (AT89LP428-20MH vs ATSAMD21E17A-MFT vs ATSAMC21E18A-MNT vs ATMEGA48V-10MU)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 32-VFQFN Exposed Pad | 32-VFQFN Exposed Pad | 32-VFQFN Exposed Pad | 32-VFQFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 2.4V ~ 5.5V | 1.62V ~ 3.6V | 2.7V ~ 5.5V | 1.8V ~ 5.5V |
| Core Processor | 8051 | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ | AVR |
| Core Size | 8-Bit | 32-Bit Single-Core | 32-Bit Single-Core | 8-Bit |
| RAM Size | 768 x 8 | 16K x 8 | 32K x 8 | 512 x 8 |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active |
| Connectivity | SPI, UART/USART | I²C, LINbus, SPI, UART/USART, USB | CANbus, I²C, LINbus, SPI, UART/USART | I²C, SPI, UART/USART |
| Number of I/O | 30 | 26 | 26 | 23 |
| Oscillator Type | Internal | Internal | Internal | 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
MC9S08PA4VWJNXP SemiconductorsNXP
IC MCU 8BIT 4KB FLASH 20SOIC
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