NM93C56M

Product Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Memory
• Characteristics: Small form factor, low power consumption
• Package: SOP-8 (Small Outline Package)
• Essence: Serial Electrically Erasable Programmable Read-Only Memory (EEPROM)
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Memory Size: 2K bits (256 x 8)
• Operating Voltage: 1.8V - 5.5V
• Operating Temperature: -40°C to +85°C
• Write Time: 5ms (typical)
• Data Retention: 200 years (minimum)

Detailed Pin Configuration

The NM93C56M IC has a total of 8 pins arranged as follows:

┌───┬───┐ │ 1 │ 8 │ │ │ │ └───┴───┘

1. Pin 1: Chip Select (CS)
2. Pin 2: Serial Clock (SCK)
3. Pin 3: Serial Data Input (SI)
4. Pin 4: Ground (GND)
5. Pin 5: Serial Data Output (SO)
6. Pin 6: Write Protect (WP)
7. Pin 7: VCC (Power Supply)
8. Pin 8: Not Connected (NC)

Functional Features

• Serial interface for easy integration with microcontrollers
• Low power consumption for battery-powered applications
• High-speed data transfer with SPI (Serial Peripheral Interface) protocol
• Built-in write protection mechanism for data security
• Compact size suitable for space-constrained designs

Advantages and Disadvantages

Advantages: - Small form factor allows for integration in compact devices - Low power consumption extends battery life - High-speed data transfer enables quick access to memory - Write protection feature enhances data security

Disadvantages: - Limited memory size may not be sufficient for certain applications - Requires external microcontroller for data manipulation - Vulnerable to electrical noise due to its small package size

Working Principles

The NM93C56M is a serial EEPROM that stores data using electrically isolated memory cells. It utilizes the Serial Peripheral Interface (SPI) protocol to communicate with an external microcontroller. The microcontroller sends commands and data to the NM93C56M through the CS, SCK, and SI pins. The data can be read from or written to the memory using the SO pin.

Detailed Application Field Plans

The NM93C56M is commonly used in various electronic devices and systems, including:

1. Automotive: Used for storing vehicle configuration settings, mileage data, and user preferences.
2. Consumer Electronics: Integrated into smart TVs, set-top boxes, and audio equipment for storing user profiles and system settings.
3. Industrial Control Systems: Employed in programmable logic controllers (PLCs), motor control units, and industrial automation systems for storing calibration data and program parameters.
4. Medical Devices: Utilized in medical equipment such as patient monitors and diagnostic devices for storing patient data and device configurations.
5. IoT (Internet of Things): Incorporated into IoT devices for storing sensor data, network configurations, and firmware updates.

Detailed and Complete Alternative Models

1. AT93C56 - Atmel Corporation
2. CAT93C56 - ON Semiconductor
3. ST93C56 - STMicroelectronics
4. M93C56 - Microchip Technology Inc.
5. 25AA256 - Microchip Technology Inc.

These alternative models offer similar functionality and memory capacity as the NM93C56M, providing options for different design requirements.

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