SST39WF400A-90-4I-ZKE

Product Overview

Category

The SST39WF400A-90-4I-ZKE belongs to the category of Flash Memory.

Use

This product is primarily used for data storage in various electronic devices such as computers, smartphones, tablets, and other digital devices.

Characteristics

• Non-volatile memory: The SST39WF400A-90-4I-ZKE retains data even when power is turned off.
• High storage capacity: This flash memory chip has a capacity of 4 gigabits (512 megabytes).
• Fast data transfer rate: It operates at a speed of 90 nanoseconds, allowing for quick read and write operations.
• Low power consumption: The SST39WF400A-90-4I-ZKE is designed to consume minimal power during operation.
• Wide temperature range: It can operate reliably in temperatures ranging from -40°C to 85°C.

Package

The SST39WF400A-90-4I-ZKE comes in a compact surface-mount package, making it suitable for integration into small electronic devices.

Essence

The essence of this product lies in its ability to provide reliable and high-capacity data storage in a compact form factor.

Packaging/Quantity

The SST39WF400A-90-4I-ZKE is typically packaged in reels or trays, with each reel or tray containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory Type: Flash
• Capacity: 4 gigabits (512 megabytes)
• Access Time: 90 nanoseconds
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to 85°C
• Interface: SPI (Serial Peripheral Interface)

Detailed Pin Configuration

The SST39WF400A-90-4I-ZKE has a total of 48 pins. The pin configuration is as follows:

1. VCC - Power supply voltage
2. GND - Ground
3. HOLD - Hold input for suspending operations
4. WP - Write protect input for protecting data
5. SIO0 - Serial data input/output
6. SIO1 - Serial data input/output
7. SIO2 - Serial data input/output
8. SIO3 - Serial data input/output
9. CE# - Chip enable input
10. RESET# - Reset input 11-48. Address and data pins

Functional Features

• Erase and Program Operations: The SST39WF400A-90-4I-ZKE supports both sector erase and byte program operations, allowing for flexible data manipulation.
• Protection Mechanisms: It includes hardware and software protection mechanisms to prevent accidental data modification or erasure.
• High Reliability: This flash memory chip offers high endurance and data retention, ensuring the integrity of stored information over an extended period.

Advantages and Disadvantages

Advantages

• Large storage capacity
• Fast data transfer rate
• Low power consumption
• Wide temperature range operation
• Compact form factor

Disadvantages

• Limited write endurance compared to other types of memory
• Higher cost per unit compared to traditional hard drives

Working Principles

The SST39WF400A-90-4I-ZKE utilizes the principles of floating-gate transistors to store and retrieve data. It employs a combination of electrical charges to represent binary values (0s and 1s), which can be read, written, and erased using specific voltage levels and control signals.

Detailed Application Field Plans

The SST39WF400A-90-4I-ZKE finds applications in various fields, including: - Consumer electronics - Automotive systems - Industrial automation - Medical devices - Communication equipment

Detailed and Complete Alternative Models

1. SST39VF400A-70-4I-EKE: Similar to the SST39WF400A-90-4I-ZKE, but with a slower access time of 70 nanoseconds.
2. AT45DB041D-SU: A comparable flash memory chip with a capacity of 4 megabits (512 kilobytes) and SPI interface.
3. MX25L4006E: Another alternative with a capacity of 4 megabits (512 kilobytes) and similar characteristics.

These alternative models offer similar functionality and can be considered as substitutes for the SST39WF400A-90-4I-ZKE in various applications.

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