AT25DQ161-SH-B Microchip Integrated Circuit (Small Outline Packages) In Stock
AT25DQ161-SH-B is a 16Mbit serial SPI Flash memory from Microchip in an 8-pin SOIC package. It operates from 2.7V to 3.6V, supports 100MHz clock, and offers 100,000 write/erase cycles with 20-year data retention. From $0.80, available in stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- AT25DQ161-SH-B Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of AT25DQ161-SH-B?
- 16Mbit (2MB) SPI Flash with 100MHz clock frequency for high-speed code and data storage
- 100,000 write/erase cycle endurance with minimum 20-year data retention for reliable non-volatile storage
- 2.7V to 3.6V operation in a compact 8-pin SOIC package ideal for space-constrained embedded designs
What is AT25DQ161-SH-B used for?
The AT25DQ161-SH-B is ideal for storing firmware, configuration data, and boot code in embedded systems such as IoT devices, industrial controllers, and consumer electronics. Its high-speed 100MHz SPI interface enables fast read operations critical for XIP (execute in place) and rapid boot scenarios. The compact 8-pin SOIC package and wide supply voltage range make it a versatile choice for low-power portable and wearable applications.
What are the specifications of AT25DQ161-SH-B?
| YTEOL | 3 |
| Clock Frequency-Max (fCLK) | 100MHz |
| Data Retention Time-Min | 20 |
| Endurance | 100000 Write/Erase Cycles |
| JESD-30 Code | R-PDSO-G8 |
| Memory Density | 16777216bit |
| Memory IC Type | FLASH |
| Memory Width | 8 |
| Number of Functions | 1 |
| Number of Words | 2097152words |
| Number of Words Code | 2000000 |
| Operating Mode | SYNCHRONOUS |
| Organization | 2MX8 |
| Output Characteristics | 3-STATE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Parallel/Serial | SERIAL |
| Programming Voltage | 3V |
| Serial Bus Type | QSPI |
| Standby Current-Max | 0.00005A |
| Supply Current-Max | 0.019mA |
| Supply Voltage-Max (Vsup) | 3.6V |
| Supply Voltage-Min (Vsup) | 2.7V |
| Supply Voltage-Nom (Vsup) | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Type | NOR TYPE |
| Write Protection | HARDWARE/SOFTWARE |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.32.00.51 |
Where can I find the AT25DQ161-SH-B datasheet?
AT25DQ161-SH-B Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for AT25DQ161-SH-B?
Compatible alternatives and drop-in replacements for AT25DQ161-SH-B:
Frequently Asked Questions
What is the storage capacity and interface of the AT25DQ161-SH-B?
The AT25DQ161-SH-B provides 16Mbit (2MB) of Flash storage with an 8-bit wide SPI serial interface. It supports clock frequencies up to 100MHz, enabling fast data read and write operations for embedded systems requiring high-performance non-volatile memory.
What is the endurance and data retention of the AT25DQ161-SH-B?
The AT25DQ161-SH-B supports 100,000 write/erase cycles and offers a minimum data retention time of 20 years. These specifications make it reliable for applications requiring frequent firmware updates or long-term data storage in harsh environments.
What supply voltage does the AT25DQ161-SH-B require?
The AT25DQ161-SH-B operates over a supply voltage range of 2.7V to 3.6V, making it compatible with standard 3.3V systems. This range also enables use in slightly under-voltage conditions typical in battery-powered embedded applications.
What package does the AT25DQ161-SH-B use and what are its dimensions?
The AT25DQ161-SH-B is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) format with JESD-30 code R-PDSO-G8. This standard surface-mount package is widely supported by PCB assembly processes and is available for automated pick-and-place manufacturing.
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