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M27C322-100F1

Name: M27C322-100F1
Rating: 4.7 (12 reviews)

IC EPROM 32MBIT PARALLEL 42CDIP

Производитель
Мфр. Часть #M27C322-100F1
Пакет
Лист данных
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Спецификации

Part Status	Obsolete
DigiKey Programmable	Not Verified
Memory Type	Non-Volatile
Memory Format	EPROM
Technology	EPROM - UV
Memory Size	32Mbit
Memory Organization	2M x 16
Memory Interface	Parallel
Voltage - Supply	4.5V ~ 5.5V
Operating Temperature	0°C ~ 70°C (TA)
Mounting Type	Through Hole
Package / Case	42-CDIP (0.600", 15.24mm) Window
Supplier Device Package	42-CDIP Frit Seal with Window
Base Product Number	M27C322
Access Time	100 ns

Обзор

Description

The M27C322-100F1 is a 32-Megabit (2M x 16) UV EPROM memory chip developed by STMicroelectronics. It is designed for applications requiring high-density storage and is organized as 2,097,152 words of 16 bits each. This EPROM features a fast access time of 100 nanoseconds, making it suitable for a range of embedded systems and applications that need quick data retrieval.
The chip operates on a single 5V power supply and includes a dual-chip enable for improved performance and reduced power consumption. It is housed in a 42-pin plastic DIP package, which allows for easy integration into circuit boards.
Programming of the M27C322-100F1 typically requires a UV light to erase data, followed by electrical programming. Its robust design ensures data retention for up to 20 years and supports 100 erase/program cycles. The device is commonly used in applications like automotive control systems, industrial equipment, and other electronics requiring reliable, non-volatile memory solutions.

Package

The M27C322-100F1 is typically housed in a 42-pin Plastic Dual In-line Package (PDIP). This package type is common for EPROMs, providing a robust and straightforward means of accommodating the memory chip with necessary pins for connectivity.

Pinout

The M27C322-100F1 is a 32 Mbit (4M x 8 or 2M x 16) UV EPROM that is organized in a configuration that allows either byte or word access. It features a total of 42 pins. Here is a brief overview of its pin functions:
- Address Pins (A0–A20): These are used to address the memory locations within the EPROM.
- Data Pins (Q0–Q15): These pins are used to output the stored data from the memory.
- Chip Enable (E): This pin is used to activate the device. A low signal on this pin enables the chip.
- Output Enable (G): This pin controls the output buffer, enabling data outputs when active.
- Program (P): This pin is used for programming the EPROM.
- VCC: This pin supplies power to the device, typically +5V.
- VPP: This pin is the programming voltage input.
- VSS: Ground pin.
This EPROM is used in applications where high-density, reliable, non-volatile memory storage is required and is ideal for applications where reprogramming is less frequent due to its UV erase requirement.

Manufacturer

The M27C322-100F1 is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a wide range of semiconductor products. It serves various sectors, including automotive, industrial, personal electronics, communications equipment, and computers. The company focuses on creating innovative solutions for embedded processing, analog, power, and digital products, enabling smarter and more efficient electronic devices.

Application

The M27C322-100F1 is a 32 Mbit UV EPROM, commonly used in applications where non-volatile storage of firmware or software is required. Key application areas include embedded systems, industrial controllers, communication devices, and automotive electronics. It is well-suited for use in legacy systems needing long-term data retention and reliable performance. Additionally, it may be used in development settings for testing and prototyping where program updates are needed during the design phase.

Equivalent

The M27C322-100F1 is a 32Mbit (2M x 16) UV EPROM. Equivalent products might include other manufacturers' 32Mbit EPROMs with similar speed and pin configurations, such as Microchip's AT27C322 series or parts from Winbond and ISSI with the same specifications. Always verify the electrical and timing characteristics to ensure compatibility.

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