圖片僅供參考

M27C512-12F1

Name: M27C512-12F1
Rating: 4.8 (15 reviews)

+物料清單

IC EPROM 512KBIT PARALLEL 28CDIP

製造商意法半導體
製造商部分 #M27C512-12F1
有存貨6964

365 天品質保證

7*24 小時服務保證

90-日售後保障

正品保證

規格

屬性	價值
Part Status	Obsolete
Base Product Number	M27C512
DigiKey Programmable	Not Verified
Memory Type	Non-Volatile
Memory Format	EPROM
Technology	EPROM - UV
Memory Size	512Kbit
Memory Organization	64K x 8
Memory Interface	Parallel
Voltage - Supply	4.5V ~ 5.5V
Operating Temperature	0°C ~ 70°C (TA)
Mounting Type	Through Hole
Package	28-CDIP (0.600", 15.24mm) Window
Supplier Device Package	28-CDIP Frit Seal with Window
Packaging	Tube
Access Time	120 ns

概述

Description

The M27C512-12F1 is a UV EPROM (Erasable Programmable Read-Only Memory) chip, commonly used in various electronic applications for storing non-volatile data. It has a storage capacity of 512 kilobits, which equals 64 kilobytes. The "12F1" in its designation typically refers to its access time, which is 120 nanoseconds, indicating how quickly it can retrieve data.
This chip features a 28-pin dual in-line package (DIP) and requires a power supply voltage of 5 volts for normal operation. To erase the stored data, it needs exposure to UV light, allowing it to be reprogrammed for new data storage. Its wide operating temperature range makes it suitable for both consumer and industrial applications.
The M27C512-12F1 is often used in situations where firmware or other important data must be reliably stored and occasionally updated, such as in embedded systems, microcontrollers, and older computing hardware. Its durability and reliable performance make it a favorable choice for long-term data retention needs.

Equivalent

The M27C512-12F1 is a 512Kb (64K x 8) UV EPROM chip. Equivalent products include:
1. AT27C512R from Atmel/Microchip
2. TMS27C512 from Texas Instruments
3. AM27C512 from AMD
4. MBM27C512 from Fujitsu
5. NMC27C512 from National Semiconductor
These chips offer similar storage capacity and functionality, but ensure compatibility with your specific application in terms of voltage, speed, and package type.

Features

The M27C512-12F1 is a 512 Kbit (64Kb x 8) UV EPROM (ultraviolet erasable programmable read-only memory) with the following features:
1. Capacity: 512 Kbits organized as 64 K x 8 bits.
2. Access Time: 120 ns, which denotes the speed at which data can be accessed from the memory.
3. Technology: Utilizes a CMOS process for low power consumption.
4. Programming: Erasable with ultraviolet light, allowing for reprogramming of data.
5. Voltage Supply: Operates with a single +5V power supply for read operations.
6. Package Options: Available in dual in-line packages (DIP) or surface-mount packages for flexible use in various designs.
7. Reliability: Non-volatile memory ensures data retention without power.
8. Operating Temperature: Typically ranges from 0°C to 70°C, suitable for commercial environments.
9. Compatibility: Can replace similar EPROMs in existing designs due to standard pin configurations.
These features make the M27C512-12F1 suitable for applications requiring non-volatile and erasable memory with moderate speed and capacity.

Pinout

The M27C512-12F1 is a 512 Kb (64KB x 8) UV EPROM (Erasable Programmable Read-Only Memory) chip. It has a 28-pin DIP (Dual In-line Package) configuration. The pin functions are as follows:
1. A0-A15 (Pins 10-23): Address inputs used to select one of the 64KB bytes of memory.
2. Q0-Q7 (Pins 11, 13, 15, 17-19, 21, 23): Data output pins, which provide the 8-bit data word.
3. CE\* (Pin 20): Chip Enable, active low. Enables the chip for data output.
4. OE\* (Pin 22): Output Enable, active low. Enables the output buffers of the memory.
5. PGM (Pin 27): Program pin used during the programming of the EPROM.
6. VPP (Pin 1): Program voltage, used during programming.
7. VCC (Pin 28): Power supply pin, typically +5V.
8. GND (Pin 14): Ground connection.
These pins support reading data from the memory and programming the chip using UV light to erase previous data, if necessary.

Manufacturer

The M27C512-12F1 is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a wide range of semiconductor products. It is known for its expertise in producing microelectronics and integrated circuits that are used in a variety of applications, including automotive, industrial, personal electronics, communications equipment, and more. The company focuses on delivering innovative solutions that address the needs of these diverse markets, with a strong emphasis on sustainable and environmentally responsible practices.

Application

The M27C512-12F1 is a 512Kb (64K x 8) UV EPROM. It is commonly used in applications that require non-volatile memory storage with the ability to be erased and reprogrammed. Typical application areas include:
1. Embedded Systems: Storing firmware or software that doesn't change frequently.
2. Industrial Control: Used in PLCs and other control systems for storing operation codes or lookup tables.
3. Telecommunications: Storing configuration data or software for communication devices.
4. Automotive: Used in older electronic control units (ECUs) for engine management.
5. Consumer Electronics: Used in legacy devices for storing operating software.
These applications benefit from the stability and reliability of the M27C512-12F1 for data storage.

Package

The M27C512-12F1 is a 512 Kbit (64Kb x 8) UV EPROM. It typically comes in a 28-pin Dual In-line Package (DIP), which is common for such memory components. The "12F1" part of the designation usually refers to speed and package variations.

Frequently Asked Questions

Q: What is the memory size and organization of this EPROM?
A: It is 512Kbit (64K x 8), offering 64K addresses with 8-bit data output, ideal for firmware storage.

Q: What is the access time of the M27C512-12F1?
A: The access time is 120 ns, suitable for moderate-speed parallel memory interfacing with legacy microcontrollers.

Q: Does this device require an ultraviolet (UV) eraser for reprogramming?
A: Yes, it uses EPROM - UV technology, requiring a UV light source through the window eraser for data erasure before reprogramming.

Q: What is the operating voltage range for this component?
A: The supply voltage range is 4.5V to 5.5V, typical for 5V logic systems.

Q: Is this part suitable for surface-mount assembly?
A: No, it is a Through Hole package (28-CDIP with window), designed for socketed or soldered insertion on PCBs.

Q: What is the operating temperature range?
A: It operates from 0°C to 70°C, suitable for commercial or industrial environment applications.

Q: Can this EPROM be used in new designs?
A: The part status is Obsolete, so it is not recommended for new designs; it is suitable for legacy system repairs or replacements.