Model:AT45DB321D-SU
Model:AT45DB321D-SU
Manufacturer：Microchip
Stocks：1000
Describe：
AT45DB321D-SU is a 32Mbit (4MB) SPI serial flash memory chip produced by Microchip (formerly Atmel), with an SOIC-8/SOP-8 package. It belongs to the NOR Flash memory category and is suitable for firmware storage in embedded systems.
Core features
Storage capacity: 32Mbit (528 bytes × 8192 pages), supports 2.7V - 3.6V single power supply.
Interface type: SPI compatible, maximum clock frequency 66MHz, supports RapidS serial protocol.
Durability: Typical write endurance 100,000 times, data retention time 20 years.
Application fields: Industrial control, medical electronics, IoT terminals and consumer electronics.
Packaging and supply
Package form: SOIC-8 (7.7 × 5.13 × 1.7mm) or SOP-8 (5.30mm wide).
Market status: As of September 2025, the spot price of some channels is 0.61 - 58.20 yuan, but some models have been discontinued.
