AT45DB321E-SHF-BAlternatives & Equivalent Parts
About AT45DB321E-SHF-B
AT45DB321E-SHF-B is a Integrated Circuit component manufactured by Adesto Technologies. 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 | AT45DB321E-SHF-BSource | LM4120AIM5-4.1/NOPB | STM32F401VBT6 | GSOT03C-E3-08 | AD8066ARZ |
|---|---|---|---|---|---|
| Manufacturer | Adesto Technologies | Texas Instruments | STMicroelectronics | Vishay | Analog Devices |
| Package Type | Small Outline Packages | SOT23 (5-Pin) | Quad Flat Packages | Other | Small Outline Packages |
| Pin Count | 8 | 5 | 100 | 3 | 8 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -55.0°C ~ 150.0°C | -40.0°C ~ 85.0°C |
| Price | $2.0250 | $2.0000 | $3.5200 | $0.1010 | $2.9001 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | TRANSFERRED | OBSOLETE | ACTIVE | OBSOLETE | ACTIVE |
| Electrical Parameters | |||||
| Pbfree Code | Yes | — | — | — | No |
| Clock Frequency-Max (fCLK) | 85 MHz | — | — | — | — |
| JESD-30 Code | R-PDSO-G8 | R-PDSO-G5 | S-PQFP-G100 | R-PDSO-G3 | R-PDSO-G8 |
| JESD-609 Code | e4 | e3 | — | e3 | e3 |
| Memory Density | 33554432 bit | — | — | — | — |
| Memory IC Type | FLASH | — | — | — | — |
| Memory Width | 1 | — | — | — | — |
| Number of Functions | 1 | 1 | — | — | 2 |
| Number of Words | 33554432 words | — | — | — | — |
| Number of Words Code | 32000000 | — | — | — | — |
| Operating Mode | SYNCHRONOUS | — | — | — | — |
| Organization | 32MX1 | — | — | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | RECTANGULAR | SQUARE | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | FLATPACK, LOW PROFILE, FINE PITCH | SMALL OUTLINE | SMALL OUTLINE |
| Parallel/Serial | SERIAL | — | — | — | — |
| Programming Voltage | 3 V | — | — | — | — |
| Supply Voltage-Max (Vsup) | 3.6 V | 12 V | — | — | — |
| Supply Voltage-Min (Vsup) | 2.3 V | 2 V | — | — | — |
| Supply Voltage-Nom (Vsup) | 3 V | 5.1 V | — | — | 5 V |
| Surface Mount | YES | YES | YES | YES | YES |
| Technology | CMOS | BIPOLAR | CMOS | AVALANCHE | BIPOLAR |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | — | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD | Matte Tin (Sn) | — | MATTE TIN | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 0.95 mm | 0.5 mm | — | 1.27 mm |
| Terminal Position | DUAL | DUAL | QUAD | DUAL | DUAL |
| YTEOL | — | 0 | 9 | 0 | 10 |
| Analog IC - Other Type | — | THREE TERMINAL VOLTAGE REFERENCE | — | — | — |
| Input Voltage-Max | — | 12 V | — | — | — |
| Input Voltage-Min | — | 2 V | — | — | — |
| Number of Outputs | — | 1 | — | — | — |
| Output Voltage-Max | — | 4.104 V | — | — | — |
| Output Voltage-Min | — | 4.088 V | — | — | — |
| Output Voltage-Nom | — | 4.048 V | — | — | — |
| Package Equivalence Code | — | TSOP5/6,.11,37 | QFP100,.63SQ,20 | — | SOP8,0.236 |
| Peak Reflow Temperature (Cel) | — | 260 | NOT SPECIFIED | 260 | 260 |
| Qualification Status | — | Not Qualified | Not Qualified | — | Not Qualified |
| Supply Current-Max (Isup) | — | 0.275 mA | — | — | — |
| Temp Coef of Voltage-Max | — | 50 ppm/°C | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | 30 | NOT SPECIFIED | — | 30 |
| Trim/Adjustable Output | — | NO | — | — | — |
| Voltage Tolerance-Max | — | 0.2% | — | — | — |
| ## LM4120AIM5-4.1/NOPB Alternates Showing results | — | Image | — | — | — |
| Factory Lead Time | — | — | 15 Weeks | — | — |
| Has ADC | — | — | YES | — | — |
| Bit Size | — | — | 32 | — | — |
| Boundary Scan | — | — | YES | — | — |
| CPU Family | — | — | CORTEX-M4F | — | — |
| Clock Frequency-Max | — | — | 26 MHz | — | — |
| DAC Channels | — | — | NO | — | — |
| DMA Channels | — | — | YES | — | — |
| Number of I/O Lines | — | — | 81 | — | — |
| On Chip Program ROM Width | — | — | 8 | — | — |
| PWM Channels | — | — | YES | — | — |
| RAM (bytes) | — | — | 65536 | — | — |
| ROM (words) | — | — | 131072 | — | — |
| ROM Programmability | — | — | FLASH | — | — |
| Speed | — | — | 84 MHz | — | — |
| Supply Voltage-Max | — | — | 3.6 V | — | — |
| Supply Voltage-Min | — | — | 3.3 V | — | — |
| Supply Voltage-Nom | — | — | 3.3 V | — | — |
| uPs/uCs/Peripheral ICs Type | — | — | MICROCONTROLLER, RISC | — | — |
| ## STM32F401VBT6 Alternates Showing results | — | — | Image | — | — |
| Breakdown Voltage-Min | — | — | — | 4 V | — |
| Breakdown Voltage-Nom | — | — | — | 4.6 V | — |
| Clamping Voltage-Max | — | — | — | 10 V | — |
| Configuration | — | — | — | COMMON ANODE, 2 ELEMENTS | — |
| Diode Element Material | — | — | — | SILICON | — |
| Diode Type | — | — | — | TRANS VOLTAGE SUPPRESSOR DIODE | — |
| Non-rep Peak Rev Power Dis-Max | — | — | — | 369 W | — |
| Number of Elements | — | — | — | 2 | — |
| Polarity | — | — | — | UNIDIRECTIONAL | — |
| Reference Standard | — | — | — | IEC-61000-4-2, 4-5 | — |
| Rep Pk Reverse Voltage-Max | — | — | — | 3.3 V | — |
| Manufacturer Package Code | — | — | — | — | R-8 |
| Amplifier Type | — | — | — | — | OPERATIONAL AMPLIFIER |
| Architecture | — | — | — | — | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | — | — | — | — | 0.000006 µA |
| Bias Current-Max (IIB) @25C | — | — | — | — | 0.000006 µA |
| Common-mode Reject Ratio-Min | — | — | — | — | 85 dB |
| Common-mode Reject Ratio-Nom | — | — | — | — | 100 dB |
| Frequency Compensation | — | — | — | — | NO |
| Input Offset Current-Max (IIO) | — | — | — | — | 0.000125 µA |
| Input Offset Voltage-Max | — | — | — | — | 1500 µV |
| Low-Bias | — | — | — | — | YES |
| Low-Offset | — | — | — | — | NO |
| Micropower | — | — | — | — | NO |
| Neg Supply Voltage Limit-Max | — | — | — | — | -13.2 V |
| Neg Supply Voltage-Nom (Vsup) | — | — | — | — | -5 V |
| Packing Method | — | — | — | — | TR |
| Power | — | — | — | — | NO |
| Programmable Power | — | — | — | — | NO |
| Slew Rate-Min | — | — | — | — | 130 V/us |
| Slew Rate-Nom | — | — | — | — | 180 V/us |
| Supply Current-Max | — | — | — | — | 14.4 mA |
| Supply Voltage Limit-Max | — | — | — | — | 13.2 V |
| Voltage Gain-Min | — | — | — | — | 100000 |
| Wideband | — | — | — | — | YES |
| ## AD8066ARZ 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 4 alternatives for AT45DB321E-SHF-B — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for AT45DB321E-SHF-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 AT45DB321E-SHF-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 AT45DB321E-SHF-B?
Known equivalents for AT45DB321E-SHF-B include LM4120AIM5-4.1/NOPB, STM32F401VBT6, GSOT03C-E3-08. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of AT45DB321E-SHF-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 AT45DB321E-SHF-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.