Microchip Technology AT89LS
AT89LS variants from Microchip Technology
AT89LS Overview
What changes between part numbers, and what to check before you lock the BOM — Microcontrollers.
Key Features
- Footprint / package: 40-DIP (0.600", 15.24mm)Single package option across listed variants; still confirm reel vs tube suffix if you auto-insert.
- Lifecycle mix: ActiveConfirm lifecycle on the exact MPN, not just the base number prefix.
- 2 distinct suffix patternsExamples: 52-16JU, 52-16PU. Decode suffix meaning in the ordering notes under the variant table.
Target Applications
- Microcontrollers — design-in and field replacement
- BOM scrub where only the base prefix is known but suffix is TBD
- Second-source checks when the original MPN is constrained
Ordering Variants
Compare 2 AT89LS part numbers by package, electrical parameters, lifecycle, and availability. Use RFQ for stock and lead-time confirmation.
| Part Number | Description | Package Type | Manufacturer | Lifecycle | RoHS | Availability | Action |
|---|---|---|---|---|---|---|---|
| AT89LS52-16JU | IC MCU 8BIT 8KB FLASH 44PLCC | - | Microchip Technology | Active | Compliant | In Stock | |
| AT89LS52-16PU | Package: 40-DIP (0.600", 15.24mm) | Mounting Type: Through Hole | Operating Temperature: -40°C ~ 85°C (TA) | Supplier Device Package: 40-PDIP | Peripherals: WDT | Number of I O: 32 | 40-DIP (0.600", 15.24mm) | Microchip Technology | Active | Compliant | In Stock |
Ordering Code Differences
How suffixes on AT89LS map to package, grade, and reel options.
How to Choose the Right AT89LS Microcontrollers
Match the footprint first
Packages here: 40-DIP (0.600", 15.24mm). Open the land-pattern drawing before you substitute a different suffix.
Electrical headroom
Compare voltage and current columns in the variant table. For AT89LS, a suffix with lower voltage or current rating will not survive the same circuit without recalculation.
Temp grade letter matters
Commercial (0–70 °C) and industrial (−40–85 °C+) suffixes look similar in the prefix — confirm ambient + self-heating, not just the first page of the datasheet.
Copy the full MPN
Do not BOM only "AT89LS" — include the full suffix (e.g. 52-16JU, 52-16PU). RFQ with reel/tube preference and required date code.
Technical Specifications
Core parameters for AT89LS product family
Identity
Variant Parameters
Source AT89LS with Octatronics
Request stock confirmation, lead time, date code, and pricing for all 2 ordering variants from Microchip Technology. Our team supports active, EOL, and hard-to-find component sourcing.
- Original manufacturer parts with traceability options
- BOM upload and multi-line RFQ support
- Package, grade, and compliance verification
Frequently Asked Questions
Common technical questions about the AT89LS product family.