Microchip Technology AT89LS52-16JU Microcontrollers
IC MCU 8BIT 8KB FLASH 44PLCC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
AT89LS52-16JU
Base Model
Detailed Description
IC MCU 8BIT 8KB FLASH 44PLCC
Package
44-LCC (J-Lead)
Lifecycle Status
Active
Datasheet
AT89LS52-16JU Datasheet
Quick Jump:
Technical Specifications
Microchip Technology AT89LS52-16JU Microcontrollers technical specifications.
General
RAM Size
256 x 8
RoHS
Yes
Package / Case
44-LCC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.7V ~ 4V
Lifecycle Status
Active
Peripherals
WDT
Number of I/O
32
Speed
16MHz
Alternate Parts Comparison (AT89LS52-16JU vs AT89LS52-16PU vs AT89LS8252-12JC vs AT89LS8252-12AI)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 44-LCC | 40-DIP | 44-LCC | 44-TQFP |
| Mounting Type | Surface Mount | Through Hole | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 2.7V ~ 4V | 2.7V ~ 4V | 2.7V ~ 6V | 2.7V ~ 6V |
| Core Processor | 8051 | 8051 | 8051 | 8051 |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| RAM Size | 256 x 8 | 256 x 8 | 256 x 8 | 256 x 8 |
| Connectivity | UART/USART | UART/USART | SPI, UART/USART | SPI, UART/USART |
| Number of I/O | 32 | 32 | 32 | 32 |
| Oscillator Type | Internal | Internal | Internal | Internal |
| Peripherals | WDT | WDT | POR, WDT | POR, WDT |
| Program Memory Size | 8KB (8K x 8) | 8KB (8K x 8) | 8KB (8K x 8) | 8KB (8K x 8) |
| 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
MC9S08PA8VLDNXP SemiconductorsNXP
IC MCU 8BIT 8KB FLASH 44LQFP
MC9S08PL8CLCNXP SemiconductorsNXP
IC MCU 8BIT 8KB FLASH 32LQFP
MC9S08SE8CWLNXP SemiconductorsNXP
IC MCU 8BIT 8KB FLASH 28SOIC
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
