Renesas AT25DF321A-SH-B
Serial Flash Memory





Brands: Quantum Integration
Mfr.Part #: AT25DF321A-SH-B
Datasheet: AT25DF321A-SH-B Datasheet (PDF)
Package/Case: SOIC-WIDE-8
Product Type: Memory
RoHS Status:
Stock Condition: 3,329 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
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AT25DF321A-SH-B General Description
In terms of security, this flash memory device excels with its robust hardware and software protection features, safeguarding against unauthorized access and data manipulation. Moreover, its deep power-down mode facilitates energy conservation when the device is idle, aligning with modern sustainability objectives

Specifications
Parameter | Value | Parameter | Value |
---|---|---|---|
Manufacturer: | Adesto Technologies | Mounting Style: | SMD/SMT |
Series: | AT25DF321A | Memory Size: | 32 Mbit |
Maximum Clock Frequency: | 85 MHz | Interface Type: | SPI |
Organization: | 4 M x 8 | Timing Type: | Synchronous |
Data Bus Width: | 8 bit | Supply Voltage - Min: | 2.7 V |
Supply Voltage - Max: | 3.6 V | Supply Current - Max: | 20 mA |
Minimum Operating Temperature: | - 40 C | Maximum Operating Temperature: | + 85 C |
Packaging: | Tube | Memory Type: | NOR |
Speed: | 85 MHz | Architecture: | Block Erase |
Brand: | Adesto Technologies | Factory Pack Quantity: | 90 |
Unit Weight: | 0.019048 oz | Tags | AT25DF321A-S, AT25DF321A, AT25DF3, AT25DF, AT25D, AT25, AT2 |
Source Content uid | AT25DF321A-SH-B | Pbfree Code | Yes |
Part Life Cycle Code | Active | Ihs Manufacturer | RENESAS ELECTRONICS CORP |
Reach Compliance Code | compliant | Samacsys Manufacturer | Renesas Electronics |
Data Retention Time-Min | 20 | JESD-30 Code | R-PDSO-G8 |
Memory IC Type | FLASH | Memory Organization | 4MX8 |
Memory Width | 8 | Moisture Sensitivity Level | 1 |
Number of Functions | 1 | Number of Terminals | 8 |
Number of Words Code | 4000000 | Operating Mode | SYNCHRONOUS |
Parallel/Serial | SERIAL | Serial Bus Type | SPI |
Surface Mount | YES | Technology | CMOS |
Temperature Grade | INDUSTRIAL | Terminal Finish | NICKEL PALLADIUM GOLD |
Terminal Form | GULL WING | Terminal Position | DUAL |
Type | NOR TYPE | Write Protection | HARDWARE/SOFTWARE |
Product Status | Active | Programmabe | Verified |
Memory Type | Non-Volatile | Memory Format | FLASH |
Memory Size | 32Mbit | Memory Interface | SPI |
Clock Frequency | 100 MHz | Write Cycle Time - Word, Page | 7µs, 3ms |
Voltage - Supply | 2.7V ~ 3.6V | Operating Temperature | -40°C ~ 85°C (TC) |
Mounting Type | Surface Mount | Base Product Number | AT25DF321 |
Shipping
Shipping Type | Ship Fee | Lead Time | |
---|---|---|---|
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DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
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Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
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UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
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EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time:Shipping fee depend on different zone and country.
Payment
Terms of payment | Hand Fee | |
---|---|---|
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Wire Transfer | charge US$30.00 banking fee. |
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Paypal | charge 4.5% service fee. |
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Credit Card | charge 3.5% service fee. |
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Western Union | charge US.00 banking fee. |
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Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
Packing
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Step1 :Product Inventory
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Step2 :Pressure Relief Packaging
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Step3 :Anti Static Packaging
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Step4 :Protective Packaging
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Step5 :Sealed Packaging
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Step6 :Preparation for shipment
We will inspect and count all goods before shipping to ensure that all products are intact and in accurate quantity, and will fully package them to ensure that they will not be damaged during transportation.
Q: How can I order the AT25DF321A-SH-B?
A: To place an order for the AT25DF321A-SH-B, select the "Add to Cart" button associated with the product listing on our website. Once selected, you can finalize your purchase by proceeding to the checkout page, where you can enter your payment and shipping information.
Q: What is the warranty period for the AT25DF321A-SH-B?
A: We offer a 1-year warranty on the AT25DF321A-SH-B. This warranty covers any defects in materials and artistry under normal use. During the warranty period, if the product is found to be defective, it will be repaired or replaced at no charge. For further details, please refer to our warranty policy.
Q: How does Ovaga ensure the authenticity of AT25DF321A-SH-B from Quantum Integration?
A: Ovaga has a dedicated business development team that rigorously tests and verifies the credentials of original Quantum Integration manufacturers and authorized agents. All Quantum Integration suppliers must pass a qualification review before they can list their AT25DF321A-SH-B products on our platform. We emphasize sourcing from reliable channels and maintaining high product quality standards, ensuring you can make your purchase with confidence.
Q: How can I find detailed information about the AT25DF321A-SH-B chips, such as application notes, factory information, and images?
A: You can utilize Ovaga's intelligent search engine, filter by the Ethernet PHY Products category, or visit the Quantum Integration information page to find comprehensive details about the AT25DF321A-SH-B.
Q: Are the price and stock information for AT25DF321A-SH-B on Ovaga's platform accurate?
A: Inventory levels for Quantum Integration products can fluctuate and may not be updated in real time. The information is refreshed periodically within 24 hours. To confirm stock availability and final pricing, you must confirm your order with an Ovaga salesperson or customer service representative before proceeding with payment.
Q: Can I place orders offline with Ovaga?
A: Yes, offline orders are accepted. You can navigate to the "My Orders" section and enter transaction management to place your order. Reviewing the "Order Details" and proceeding to place the order is straightforward. Additionally, you may benefit from coupons or selected gifts when ordering online.
Q: What payment methods are accepted by Ovaga?
A: Ovaga accepts various payment methods, including Wire Transfer, PayPal, Credit Cards, Western Union, and Money Gram.
Q: How is shipping arranged, and how can I track my package?
A: Customers can choose from industry-leading freight companies such as DHL, FedEx, UPS, TNT, EMS, and Registered Air Mail. Once your order is processed for shipment, you will receive an email with the shipping status and tracking number. Note that tracking information may take up to 24 hours to be displayed by carriers. Typically, express delivery takes 2-5 days.
Q: What is the return or replacement process for AT25DF321A-SH-B?
A: Ovaga conducts Pre-Shipment Inspections (PSI) on all orders to ensure quality before shipment. Suppose there are issues such as quantity discrepancies, incorrect items, or visible defects (e.g., breakage or rust), and they are acknowledged by us. In that case, returns or replacements will be accepted under the following conditions:
- ●The defect must be reported within 365 days after delivery.
- ●The product must be unused and in its original, unopened packaging.
- ●Requesting Return Authorizations must be obtained.
For the return process:
- ●Please inform us within 365 days of receiving the product.
- ●Obtain Return Authorization from our team.
- ●Please refer to our After-Sale Matters for more detailed instructions.
Q: How can I contact Ovaga for support, including obtaining datasheets or pin diagrams for the AT25DF321A-SH-B?
A: For any after-sales support or technical inquiries, including requests for datasheets or pin diagrams, please get in touch with us via email at [email protected].
Q: What can you tell me about Ovaga's quality assurance practices?
A: Ovaga is committed to maintaining the highest standards of quality. We are certified under ISO14001, ISO 9001, IATF16949, ISO13485, and DUNS standards by the Quality Systems Registrar. This certification signifies that our operational systems meet stringent international standards in quality management. Our compliance is regularly reviewed and tested to ensure ongoing adherence to these standards, affirming our commitment to quality and continuous improvement.
Q: What do the ISO, IATF, and DUNS certifications mean for customers of Ovaga?
A: Our ISO, IATF, and DUNS certifications assure customers that Ovaga operates systems that are both accurate and comprehensive, meeting the rigorous requirements of the ISO, IATF, and DUNS standards. This certification underscores our long-term commitment to continuous improvement across our operations. As a note to our customers, while we strive for accuracy in product data on our website, we recommend referring to the manufacturer's datasheet or catalog for confirmed product specifications before placing an order. If you identify any discrepancies, please get in touch with us immediately.
Part points
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The AT25DF321A-SH-B is a flash memory device designed by Atmel for various applications, including embedded systems, IoT devices, and automotive electronics. Key features of this Serial NOR (SPI) flash include:
A 32 Mbit capacity, organized as 4M x 8-bit arrays.
Support for High-Speed SPI interface with 8-pin SOIC package.
A serial command set enables efficient communication with the device.
Single-supply voltage range: 2.3V to 3.6V.
Deep power-down mode consuming only 2 µA (typical). The AT25DF321A-SH-B is widely used in systems requiring non-volatile storage, as it offers a balance of performance, capacity, and cost-effectiveness. -
Equivalent
The equivalent product of AT25DF321A-SH-B is likely other Atmel (now Microchip) serial NOR flash memories with similar capacities, such as AT25SF041 or AT25DF081A. Always check the specific parameters and applications to ensure compatibility. -
Features
The AT25DF321A-SH-B is a 32 Mbit Flash Memory with a serial NOR interface. Key features include:
**SPI Interface**: High-speed communication protocol, ideal for embedded systems.
**Command Set**: Serial command set allows efficient control and programming.
**Power Management**: Supports deep power-down mode (2 µA typ) for extended battery life.
**Temperature Range**: Operates from -40°C to +85°C, suitable for various industrial and automotive applications. These features make the AT25DF321A-SH-B an ideal choice for embedded systems, IoT devices, and other applications requiring non-volatile storage with efficient communication capabilities. -
Pinout
The AT25DF321A-SH-B is a 32 Mbit Flash Memory module with a serial NOR interface. It has an 8-pin SOIC-8 package. The pin count is 8, and the functions are as follows:
VCC (Power): Supply voltage between 2.3V and 3.6V.
GND (Ground): Connects to system ground.
SPI MOSI: Output for Master Out, Slave In data transfer.
SPI MISO: Input for Master In, Slave Out data transfer.
SPI SCK: Clock signal for the SPI interface.
CS (Chip Select): Active low signal to select the Flash memory chip.
WAKEUP (Wake-up pin): An optional pin that can be used in conjunction with power-on reset to wake up the device from a deep sleep mode. Please note that some pins may have additional functions or alternate modes depending on the specific application and system configuration. -
Manufacturer
The manufacturer of the AT25DF321A-SH-B is Atmel, which was later acquired by Microchip Technology Inc. Atmel was a semiconductor company known for its expertise in microcontrollers and memory solutions. Today, Microchip continues to develop and market Atmel products. -
Application Field
The AT25DF321A-SH-B is a versatile flash memory designed for various applications, including:
Embedded systems
IoT devices
Automotive electronics
Industrial controls
Consumer electronics
Communication equipment
Sensor fusion systems This memory offers high-speed communication and is suitable for projects demanding reliable storage in compact form. -
Package
The package type of AT25DF321A-SH-B is SOIC-8, a small, surface-mount package.
Assembly Advice
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Datasheet PDF
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