SST39SF040-70-4I-NHE
5V industrial-grade 4Mbit flash memory with 70ns speed in PLCC32 format
Manufacturer： ['sst', 'microchip', 'silicon-storage-technology']
series introduction
# Introduction to the SST39SF040 - 70 - 4I - NHE Product Series
## 1. Overview
The SST39SF040 - 70 - 4I - NHE belongs to a family of high - performance flash memory products. Flash memory is a non - volatile storage solution, which means it retains data even when the power is turned off. This makes it an ideal choice for a wide range of applications where data persistence is crucial.
## 2. Key Features
### 2.1 Memory Capacity
The SST39SF040 - 70 - 4I - NHE offers a storage capacity of 4 megabits (512 kilobytes). This amount of storage is sufficient for storing various types of data, such as firmware, configuration files, and small - scale application programs. It provides a balance between storage needs and cost - effectiveness, making it suitable for both consumer and industrial applications.
### 2.2 Speed
With a speed rating of 70 ns, this flash memory can perform read operations relatively quickly. The fast access time allows for rapid retrieval of data, which is essential for applications that require real - time data processing. For example, in embedded systems where quick response times are necessary, the 70 - ns access time ensures that the system can access the stored data promptly and continue its operations without significant delays.
### 2.3 Interface
It features a standard parallel interface. The parallel interface enables high - speed data transfer between the flash memory and the host system. This is beneficial for applications that need to transfer large amounts of data in a short period. The simplicity of the parallel interface also makes it easy to integrate with a wide variety of microcontrollers, microprocessors, and other digital systems.
### 2.4 Low Power Consumption
The SST39SF040 - 70 - 4I - NHE is designed to consume low power. This is an important feature, especially for battery - powered devices such as portable electronics. By minimizing power consumption, the device can extend the battery life of the host system, reducing the frequency of battery replacements or recharging.
### 2.5 Endurance
The flash memory has a high endurance rating, which means it can withstand a large number of program/erase cycles. This makes it suitable for applications where data needs to be frequently updated, such as in automotive electronics where the firmware may need to be updated over the vehicle's lifetime.
## 3. Package and Physical Characteristics
### 3.1 Package Type
The product comes in a 4 - I package. The specific details of the 4 - I package are designed to ensure easy handling and mounting on printed circuit boards (PCBs). The package provides mechanical protection to the internal components of the flash memory and also facilitates electrical connections to the rest of the system.
### 3.2 Operating Temperature Range
The SST39SF040 - 70 - 4I - NHE is designed to operate within a wide temperature range. This makes it suitable for use in various environmental conditions, from consumer electronics that are typically used at room temperature to industrial and automotive applications that may be exposed to extreme temperatures.
## 4. Applications
### 4.1 Embedded Systems
In embedded systems, the SST39SF040 - 70 - 4I - NHE can be used to store the system's firmware. The fast access time ensures that the system can boot up quickly, and the non - volatile nature of the memory ensures that the firmware is retained even during power outages. It can also be used to store configuration data for the embedded system, allowing for easy customization and reconfiguration.
### 4.2 Consumer Electronics
In consumer electronics such as digital
Images for reference
32-PLCC
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