ON Semiconductor
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NM93C46LN
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NM93C46LN

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Non-volatile memory
  • Characteristics: Low-power, serial EEPROM
  • Package: 8-pin DIP (Dual Inline Package)
  • Essence: Stores and retrieves digital information even when power is turned off
  • Packaging/Quantity: Available in reels of 2,500 units

Specifications

  • Memory Size: 1,024 bits (128 x 8)
  • Supply Voltage: 2.5V to 5.5V
  • Operating Temperature: -40°C to +85°C
  • Data Retention: 200 years
  • Write Cycles: 1,000,000

Detailed Pin Configuration

The NM93C46LN has the following pin configuration:

  1. Chip Select (/CS)
  2. Serial Clock (SCK)
  3. Serial Data Input (SI)
  4. Serial Data Output (SO)
  5. Write Enable (/W)
  6. VCC (Supply Voltage)
  7. Ground (GND)
  8. Not Connected (NC)

Functional Features

  • Low-power consumption
  • Serial communication interface
  • Self-timed write cycle
  • Automatic erase-before-write capability
  • Software and hardware write protection
  • Sequential read operation

Advantages

  • Small form factor
  • Low power requirements
  • High data retention
  • Wide operating temperature range
  • Easy integration into various electronic systems

Disadvantages

  • Limited storage capacity
  • Limited write cycles
  • Requires external microcontroller for interfacing

Working Principles

The NM93C46LN is based on Electrically Erasable Programmable Read-Only Memory (EEPROM) technology. It utilizes a floating gate structure to store charge, allowing it to retain data even when power is removed. The IC communicates serially with a microcontroller or other devices using a simple protocol.

Detailed Application Field Plans

The NM93C46LN is commonly used in various electronic systems, including:

  1. Automotive: Keyless entry systems, engine control units
  2. Consumer Electronics: Set-top boxes, remote controls
  3. Industrial: Data loggers, sensor calibration
  4. Medical: Patient monitoring devices, medical equipment
  5. Telecommunications: Network switches, routers

Alternative Models

  • AT93C46 (Atmel)
  • CAT93C46 (ON Semiconductor)
  • ST93C46 (STMicroelectronics)
  • X24C46 (Xicor)

These alternative models offer similar functionality and compatibility with the NM93C46LN.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de NM93C46LN en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of NM93C46LN in technical solutions:

  1. Q: What is NM93C46LN? A: NM93C46LN is a popular serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chip used for non-volatile data storage in various electronic devices.

  2. Q: What is the storage capacity of NM93C46LN? A: NM93C46LN has a storage capacity of 1 kilobit (128 bytes) organized into 64 words of 16 bits each.

  3. Q: How is NM93C46LN interfaced with microcontrollers or other devices? A: NM93C46LN uses a simple 3-wire serial interface, including a clock line (SCK), a data input/output line (SI/O), and a chip select line (CS).

  4. Q: Can NM93C46LN be reprogrammed multiple times? A: Yes, NM93C46LN is electrically erasable and programmable, allowing it to be reprogrammed multiple times during its lifespan.

  5. Q: What is the operating voltage range of NM93C46LN? A: NM93C46LN typically operates within a voltage range of 2.5V to 5.5V, making it compatible with a wide range of systems.

  6. Q: Is NM93C46LN suitable for automotive applications? A: Yes, NM93C46LN is commonly used in automotive applications due to its reliability, low power consumption, and small form factor.

  7. Q: Can NM93C46LN withstand harsh environmental conditions? A: NM93C46LN is designed to operate reliably in a wide temperature range (-40°C to +85°C) and can withstand vibration and shock commonly encountered in industrial and automotive environments.

  8. Q: How fast can NM93C46LN transfer data? A: NM93C46LN supports a maximum clock frequency of 2 MHz, allowing for relatively fast data transfer rates.

  9. Q: Can NM93C46LN be used in battery-powered devices? A: Yes, NM93C46LN has low power consumption characteristics, making it suitable for use in battery-powered devices where energy efficiency is crucial.

  10. Q: Are there any specific programming considerations for NM93C46LN? A: Yes, NM93C46LN requires specific timing and voltage levels during programming, which should be followed as per the datasheet provided by the manufacturer.

Please note that these answers are general and may vary depending on the specific application and requirements.