AT45DB021D-SH-BAlternatives & Equivalent Parts
About AT45DB021D-SH-B
AT45DB021D-SH-B is a Integrated Circuit component manufactured by Microchip. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | AT45DB021D-SH-BSource | AT32UC3A0512-ALUT | LM1117SX-3.3/NOPB | PIC24FJ512GU405-I/PT |
|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Texas Instruments | Microchip |
| Package Type | Small Outline Packages | Quad Flat Packages | Other | Quad Flat Packages |
| Pin Count | 8 | 144 | 4 | 48 |
| Temperature Range | — | -40.0°C ~ 85.0°C | ~ 125.0°C | -40.0°C ~ 85.0°C |
| Price | $1.3000 | $10.5800 | $2.9105 | $2.8800 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | — | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| Pbfree Code | — | Yes | Yes | — |
| Manufacturer Package Code | — | LQFP-144 | — | TQFP-48 |
| Factory Lead Time | — | 8 Weeks | — | 6 Weeks |
| YTEOL | — | 14 | 15 | 18 |
| Has ADC | — | YES | — | YES |
| Additional Feature | — | IT ALSO OPERATES AT 3.3 V | — | ITS ALSO AVAILABLE WITH 12-CH 10-BIT ADC |
| Address Bus Width | — | 24 | — | — |
| Bit Size | — | 32 | — | 16 |
| Boundary Scan | — | YES | — | NO |
| CPU Family | — | AVR RISC | — | PIC24 |
| Clock Frequency-Max | — | 16 MHz | — | 48 MHz |
| DAC Channels | — | YES | — | NO |
| DMA Channels | — | YES | — | YES |
| External Data Bus Width | — | 16 | — | — |
| Format | — | FIXED POINT | — | FIXED POINT |
| Integrated Cache | — | NO | — | NO |
| JESD-30 Code | — | S-PQFP-G144 | R-PSSO-G3 | S-PQFP-G48 |
| JESD-609 Code | — | e3 | e3 | e3 |
| Low Power Mode | — | YES | — | YES |
| Number of DMA Channels | — | 15 | — | 6 |
| Number of I/O Lines | — | 109 | — | 38 |
| Number of Serial I/Os | — | 4 | — | — |
| Number of Timers | — | 1 | — | 5 |
| On Chip Data RAM Width | — | 8 | — | 8 |
| On Chip Program ROM Width | — | 8 | — | 24 |
| PWM Channels | — | YES | — | YES |
| Package Body Material | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | — | QFP144,.87SQ,20 | SMSIP3H,.55TB | — |
| Package Shape | — | SQUARE | RECTANGULAR | SQUARE |
| Package Style | — | FLATPACK, LOW PROFILE, FINE PITCH | SMALL OUTLINE | FLATPACK, THIN PROFILE, FINE PITCH |
| Qualification Status | — | Not Qualified | Not Qualified | — |
| RAM (bytes) | — | 65536 | — | 32768 |
| ROM (words) | — | 524288 | — | 524288 |
| ROM Programmability | — | FLASH | — | FLASH |
| Speed | — | 66 MHz | — | 32 MHz |
| Supply Voltage-Max | — | 1.95 V | — | 3.6 V |
| Supply Voltage-Min | — | 1.8 V | — | 3.3 V |
| Supply Voltage-Nom | — | 1.8 V | — | 3.3 V |
| Surface Mount | — | YES | YES | YES |
| Technology | — | CMOS | BIPOLAR | CMOS |
| Temperature Grade | — | INDUSTRIAL | — | INDUSTRIAL |
| Terminal Finish | — | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | — | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | — | 0.5 mm | 2.54 mm | 0.5 mm |
| Terminal Position | — | QUAD | SINGLE | QUAD |
| uPs/uCs/Peripheral ICs Type | — | MICROCONTROLLER, RISC | — | MICROCONTROLLER, RISC |
| ## AT32UC3A0512-ALUT Alternates Showing results | — | Image | — | — |
| Reach Compliance Code | — | — | Not Compliant | — |
| Adjustability | — | — | FIXED | — |
| Dropout Voltage1-Max | — | — | 1.3 V | — |
| Dropout Voltage1-Nom | — | — | 1.2 V | — |
| Input Voltage Absolute-Max | — | — | 20 V | — |
| Input Voltage-Max | — | — | 15 V | — |
| Input Voltage-Min | — | — | 4.75 V | — |
| Line Regulation-Max | — | — | 0.006% | — |
| Load Regulation-Max | — | — | 0.01% | — |
| Number of Functions | — | — | 1 | — |
| Number of Outputs | — | — | 1 | — |
| Operating Temperature TJ-Max | — | — | 125 °C | — |
| Output Current1-Max | — | — | 0.8 A | — |
| Output Voltage1-Max | — | — | 3.365 V | — |
| Output Voltage1-Min | — | — | 3.235 V | — |
| Output Voltage1-Nom | — | — | 3.3 V | — |
| Packing Method | — | — | TR | — |
| Peak Reflow Temperature (Cel) | — | — | 245 | — |
| Regulator Type | — | — | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | 30 | — |
| Voltage Tolerance-Max | — | — | 2% | — |
| ## LM1117SX-3.3/NOPB Alternates Showing results | — | — | Image | — |
| Date Of Intro | — | — | — | 2020-06-02 |
| Number of External Interrupts | — | — | — | 4 |
| RAM (words) | — | — | — | 32768 |
| ## PIC24FJ512GU405-I/PT Alternates Showing results | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 3 alternatives for AT45DB021D-SH-B — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for AT45DB021D-SH-B is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating AT45DB021D-SH-B replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to AT45DB021D-SH-B?
Known equivalents for AT45DB021D-SH-B include AT32UC3A0512-ALUT, LM1117SX-3.3/NOPB, PIC24FJ512GU405-I/PT. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of AT45DB021D-SH-B?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify AT45DB021D-SH-B alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.