AT25SF321B-SSHB-T

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AT25SF321B-SSHB-T

8SOIC-N IND TEMP 2.7V

  • Manufacturer
  • Mfr. Part #AT25SF321B-SSHB-T
  • Package SOIC-8
  • Datasheet
  • In Stock4450

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Specifications

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
MemoryType Non-Volatile
MemoryFormat FLASH
Technology FLASH - NOR
MemorySize 32Mb (4M x 8)
MemoryInterface SPI - Quad I/O
ClockFrequency 108 MHz
WriteCycleTime-WordPage 50µs, 3ms
Voltage-Supply 2.7V ~ 3.6V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Overview

Description

The AT25SF321B-SSHB-T is a serial NOR flash memory chip manufactured by Microchip Technology. It features a density of 32 megabits (4 megabytes) and operates using a Quad SPI (Serial Peripheral Interface) to enable high-speed data transfer. This memory device is designed for applications requiring efficient storage, such as in embedded systems, consumer electronics, and automotive applications.
Key features include a wide operating voltage range (2.7V to 3.6V), fast read speeds of up to 104 MHz, and a power-efficient design that supports various power modes. The chip allows for flexible programming and erasing capabilities, with support for a range of sectors.
The AT25SF321B-SSHB-T is packaged in a compact 8-pin SOIC (Small Outline Integrated Circuit) or 16-pin WSON (Wafer Level Chip Scale Package), making it suitable for space-constrained environments. Its robust architecture ensures reliability and longevity in demanding applications, making it a popular choice for designers seeking a reliable flash memory solution.

Features

The AT25SF321B-SSHB-T is a serial NOR flash memory device from Microchip Technology, featuring the following key specifications:
- Memory Capacity: 32 Mbit (4 MB) of flash memory.
- Interface: SPI (Serial Peripheral Interface) with support for Dual and Quad modes for higher data transfer rates.
- Speed: Read speed up to 133 MHz in Quad mode.
- Voltage Range: Operates with a supply voltage of 2.7V to 3.6V, making it suitable for low-power applications.
- Endurance: Approximately 100,000 program/erase cycles per sector, ensuring longevity.
- Data Retention: Retains data for up to 20 years.
- Architecture: Supports a uniform 4KB sector and a 64KB block structure for flexible memory management.
- Security: Features a unique 64-bit serial number and supports the write protection of memory sectors.
- Package Type: Available in a 8-DFN package, facilitating compact designs.
This device is ideal for applications such as consumer electronics, automotive, and industrial systems where reliable non-volatile storage is essential.

Package

The AT25SF321B-SSHB-T is packaged in a 8-lead SOIC (Small Outline Integrated Circuit) package. This type of package is designed for surface mounting and is commonly used in various electronic applications.

Pinout

The AT25SF321B-SSHB-T is a serial NOR flash memory device with a pin count of 16. It features a 32-megabit (4MB) storage capacity and operates over a Serial Peripheral Interface (SPI).
Key functions of the AT25SF321B include:
1. Memory Organization: It provides a uniform 4KB sector structure, allowing for flexible data management.
2. Read and Write Operations: Supports various SPI modes for reading and writing data, with high-speed data transfer capabilities.
3. Erase Functions: Capable of bulk erase, sector erase, and byte/page erase operations.
4. Security Features: It includes features like a write protection mechanism and a unique ID for secure operations.
5. Low Power Consumption: Designed for energy-efficient applications, making it suitable for battery-operated devices.
This component is commonly used in applications such as embedded systems, consumer electronics, and automotive applications.

Manufacturer

The AT25SF321B-SSHB-T is manufactured by Microchip Technology Inc., a leading provider of microcontroller and analog semiconductors. Founded in 1989, Microchip is known for its innovative solutions in embedded control applications, offering a wide range of products, including microcontrollers, memory devices, and interface solutions. The company serves various industries, including automotive, industrial, consumer, and telecommunications, and is recognized for its commitment to quality and customer support. The AT25SF321B-SSHB-T specifically is a serial flash memory chip that provides high-speed memory storage, making it suitable for applications requiring reliable data retention and retrieval.

Application

The AT25SF321B-SSHB-T is a 32-Mbit serial NOR Flash memory used in various applications, including consumer electronics, automotive systems, industrial automation, and IoT devices. It serves for firmware storage, data logging, and system configuration due to its high density, fast read speeds, and support for dual and quad SPI interfaces. Its reliability makes it suitable for embedded systems and portable devices.

Equivalent

The AT25SF321B-SSHB-T is a 32Mb serial flash memory. Equivalent products include the Winbond W25Q32JV, Micron MT25QL032, andISSI IS25WP032. These chips offer similar specifications in terms of storage capacity, interface (SPI), and voltage requirements. Always verify specific features like speed, temperature range, and packaging to ensure compatibility for your application.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

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