21281DB

21281DB

$18.11
  • Description:RISC 32-BIT, STRONG-ARM, 166MHZ
  • Series:SA-110
  • Mfr:Altera
  • Package:Bulk

SKU:9dc37adc1fc1 Category: Brand:

  
  • Quantity
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Product Detailed Parameters

  • Description:RISC 32-BIT, STRONG-ARM, 166MHZ
  • Series:SA-110
  • Mfr:Altera
  • Package:Bulk
  • Core Processor:-
  • Number of Cores/Bus Width:-
  • Speed:166MHz
  • Co-Processors/DSP:-
  • RAM Controllers:-
  • Graphics Acceleration:No
  • Display & Interface Controllers:-
  • Ethernet:-
  • SATA:-
  • USB:-
  • Voltage - I/O:-
  • Operating Temperature:0°C ~ 100°C (TJ)
  • Security Features:-
  • Mounting Type:Surface Mount
  • Package / Case:144-TQFP
  • Supplier Device Package:144-TQFP (20x20)
  • Additional Interfaces:-

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21281DB

Buying Guide
Summary

Altera 21281DB is selected in Microprocessors category when firmware headroom and I/O planning must remain stable across revisions. Key specs include Description (RISC 32-BIT, STRONG-ARM, 166MHZ), Speed (166MHz), Temperature (0°C ~ 100°C (TJ)), Package/case (144-TQFP), and Mounting (Surface Mount).

Selection Notes
  • For 21281DB, verify the operating temperature range (0°C ~ 100°C (TJ)) and derate as needed in your application.
  • Confirm Graphics Acceleration (No) and ensure it matches your integration requirements.
  • Double-check the mounting type (Surface Mount) for your intended installation method.
  • Verify the mounting type (Surface Mount) fits your manufacturing and inspection workflow.
Alternates & Substitutions
  • In Microprocessors, confirm that alternates preserve startup states and fault behavior so system behavior does not change quietly.
  • Keep the assembly and footprint constraints consistent (package/case 144-TQFP, supplier package 144-TQFP (20x20), mounting Surface Mount) to avoid a late PCB change.
  • Then confirm the operating envelope (temperature 0°C ~ 100°C (TJ)) with margin for transients and derating.
  • For digital parts, align speed 166MHz and validate firmware/boot and signal integrity assumptions before production.
FAQ

What are common selection points for a microcontroller like 21281DB?
Check flash/RAM headroom, peripheral set, connectivity options, package constraints, and availability for your production horizon.

Can you confirm the package/case for 21281DB?
144-TQFP

Which Graphics Acceleration is listed for 21281DB?
No

Which packaging option is listed for 21281DB?
Bulk

Application Scenarios

For many Microprocessors designs, Altera 21281DB is vetted against electrical margins, thermal headroom, and mechanical integration before the BOM is frozen. In real deployments, they execute firmware or algorithms and coordinate peripherals, communications, and security features that define product capabilities. Selection is driven by compute headroom, peripheral mix, toolchain maturity, lifecycle availability, and secure boot/update strategy. Within building automation, local compute keeps systems functional even when cloud connectivity is intermittent. In consumer products, compute and peripheral integration reduces BOM and speeds product iterations while maintaining stable user experience. In smart factories, they run real-time control and protocol stacks in cabinets with dust and vibration, where remote diagnostics and OTA updates reduce downtime.

Compatibility Advice
  • For compatibility, validate that alternate parts preserve boot modes, memory interfaces, and critical timing assumptions rather than only pinout. This helps field behavior stay predictable across lots.
Project Fit
  • A strong fit when you can validate Altera 21281DB for Microprocessors integration under realistic load and noise, when you need deterministic boot and recovery behavior and can validate it across power sequencing and resets. On the other hand, a weaker fit when integrating Altera 21281DB for Microprocessors, boot and recovery behavior depends on sequencing and strapping that cannot be controlled across builds, because it becomes difficult to prove margin across production variance.
21281DB21281DB
$18.11
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