Overview
The M27C4001-12F6, produced by STMicroelectronics, is a 4 Mbit EPROM (Erasable Programmable Read-Only Memory) available in both UV (ultra violet erase) and OTP (one time programmable) versions. This device is organized as 524,288 by 8 bits, making it suitable for microprocessor systems that require large program storage. The M27C4001 is offered in various packages, including FDIP32W, PDIP32, PLCC32, and TSOP32, with ECOPACK® compliant versions that are lead-free and environmentally friendly.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Memory Size | 4 Mbit (512Kb x 8) | |
| Supply Voltage in Read Mode | 5V ± 10% | V |
| Access Time | 35ns | ns |
| Active Current at 5MHz | 30mA | mA |
| Standby Current | 100µA | µA |
| Programming Voltage | 12.75V ± 0.25V | V |
| Programming Time per Word | 100µs | µs |
| Manufacturer Code | 20h | |
| Device Code | 41h | |
| Packages | FDIP32W, PDIP32, PLCC32, TSOP32 | |
| Ambient Operating Temperature | –40 to 125 °C | °C |
Key Features
- Low Power Consumption: Active current of 30mA at 5MHz and standby current of 100µA.
- Fast Access Time: 35ns access time for quick data retrieval.
- Programming Efficiency: Programming time of 100µs per word with a programming voltage of 12.75V ± 0.25V.
- Electronic Signature: Allows for the reading of a binary code to identify the manufacturer and device type.
- Two-Line Output Control: Features a two-line control function to minimize memory power dissipation and prevent output bus contention.
- ECOPACK Compliant: Available in lead-free packages that meet environmental requirements.
Applications
The M27C4001 is ideally suited for microprocessor systems that require large program storage. It is commonly used in:
- Embedded systems requiring significant program memory.
- Industrial control systems.
- Automotive electronics.
- Consumer electronics where program storage is critical.
Q & A
- What is the memory size of the M27C4001?
The M27C4001 has a memory size of 4 Mbit, organized as 524,288 by 8 bits.
- What are the different package options available for the M27C4001?
The M27C4001 is available in FDIP32W, PDIP32, PLCC32, and TSOP32 packages.
- What is the access time of the M27C4001?
The access time of the M27C4001 is 35ns.
- How much current does the M27C4001 consume in active and standby modes?
The M27C4001 consumes 30mA in active mode at 5MHz and 100µA in standby mode.
- What is the programming voltage and time for the M27C4001?
The programming voltage is 12.75V ± 0.25V, and the programming time per word is 100µs.
- What is the electronic signature feature of the M27C4001?
The electronic signature feature allows the reading of a binary code to identify the manufacturer and device type.
- What are the operating temperature ranges for the M27C4001?
The ambient operating temperature range is –40 to 125 °C.
- Is the M27C4001 lead-free and environmentally friendly?
- How does the two-line output control function work?
The two-line output control function uses Chip Enable (E) and Output Enable (G) to minimize memory power dissipation and prevent output bus contention.
- What are some common applications of the M27C4001?
The M27C4001 is commonly used in embedded systems, industrial control systems, automotive electronics, and consumer electronics where program storage is critical.
