DS1258AB-70IND# Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)
Use: Data Storage
Characteristics: High-speed, non-volatile memory
Package: DIP (Dual In-line Package)
Essence: Non-volatile data storage solution
Packaging/Quantity: Individually packaged; quantity varies based on supplier

Specifications

• Model: DS1258AB-70IND#
• Operating Temperature: -40°C to +85°C
• Supply Voltage: 4.5V to 5.5V
• Memory Size: 1 Megabit (128K x 8)
• Access Time: 70ns
• Interface: Parallel
• Data Retention: Minimum 10 years
• Endurance: Minimum 100,000 write cycles

Detailed Pin Configuration

The DS1258AB-70IND# IC has a total of 28 pins. The pin configuration is as follows:

Pin 1: Chip Enable (CE) Pin 2: Output Enable (OE) Pin 3: Write Enable (WE) Pin 4-11: Address Inputs (A0-A7) Pin 12-19: Data Inputs/Outputs (DQ0-DQ7) Pin 20: Ground (GND) Pin 21: No Connection (NC) Pin 22: Supply Voltage (+5V) Pin 23-26: Address Inputs (A8-A11) Pin 27: No Connection (NC) Pin 28: Chip Enable 2 (CE2)

Functional Features

• High-speed access time for quick data retrieval
• Non-volatile memory retains data even when power is disconnected
• Low power consumption for energy efficiency
• Easy integration into existing circuitry due to parallel interface
• Durable design with high endurance for frequent write cycles

Advantages and Disadvantages

Advantages: - Fast access time allows for efficient data retrieval - Non-volatile memory ensures data retention during power loss - Low power consumption reduces energy usage - Parallel interface simplifies integration into existing systems - High endurance enables frequent write operations

Disadvantages: - Limited storage capacity compared to newer memory technologies - Larger physical size due to DIP package - Slower access time compared to modern memory solutions

Working Principles

The DS1258AB-70IND# is based on Flash memory technology. It utilizes a combination of floating-gate transistors and charge storage to store data in non-volatile memory cells. The IC's internal circuitry allows for parallel reading and writing of data, enabling fast access times. When the chip enable (CE) and output enable (OE) pins are activated, the stored data can be accessed by the connected system.

Detailed Application Field Plans

The DS1258AB-70IND# IC finds applications in various fields, including: 1. Embedded Systems: Used as non-volatile storage in microcontrollers and other embedded devices. 2. Industrial Automation: Enables data logging and storage in industrial control systems. 3. Automotive Electronics: Provides reliable storage for vehicle diagnostics and firmware updates. 4. Consumer Electronics: Used in devices such as set-top boxes, gaming consoles, and digital cameras for data storage purposes.

Detailed Alternative Models

1. DS1258AB-70IND: Similar model with the same specifications but without the "#" suffix.
2. DS1258AB-85IND#: Model with an extended operating temperature range (-40°C to +85°C).
3. DS1258AB-120IND#: Model with a faster access time of 120ns.

These alternative models offer different temperature ranges and access times to suit specific application requirements.

In conclusion, the DS1258AB-70IND# is a high-speed, non-volatile memory IC used for data storage. Its parallel interface, low power consumption, and durability make it suitable for various applications in embedded systems, industrial automation, automotive electronics, and consumer electronics. While it has limitations in terms of storage capacity and access time compared to newer memory technologies, it remains a reliable solution for many data storage needs.