Overview
The M27C4001-15F1, 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 512K x 8 bits, making it ideal 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 to meet environmental requirements.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Memory Size | 4 Mbit | |
| Organization | 512K x 8 | |
| Interface Type | Parallel | |
| Operating Supply Current | 30 mA at 5 MHz | |
| Standby Current | 100 µA | |
| Supply Voltage | 5 V ± 10% | |
| Access Time | 35 ns | |
| Programming Voltage | 12.75 V ± 0.25 V | |
| Programming Time | 100 µs/Word | |
| Ambient Operating Temperature | –40 to 125 °C |
Key Features
- Low Power Consumption: Active current of 30 mA at 5 MHz and standby current of 100 µA.
- Fast Access Time: Access time of 35 ns.
- Programming Flexibility: Supports both UV and OTP versions, with a programming time of 100 µs per word.
- Electronic Signature: Allows 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 to meet environmental requirements.
Applications
The M27C4001 is ideally suited for microprocessor systems that require large program storage. It is commonly used in various applications such as:
- Embedded systems requiring significant program storage.
- 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 512K x 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 supply voltage for the M27C4001 in read mode?
The supply voltage is 5 V ± 10% in read mode.
- How long does it take to program one word in the M27C4001?
The programming time is 100 µs per word.
- What is the access time of the M27C4001?
The access time is 35 ns.
- What is the standby current of the M27C4001?
The standby current is 100 µA.
- How does the two-line output control function work?
The two-line control function uses Chip Enable (E) and Output Enable (G) to minimize power dissipation and prevent output bus contention.
- What is the Electronic Signature mode used for?
The Electronic Signature mode allows reading of a binary code to identify the manufacturer and device type.
- Is the M27C4001 environmentally friendly?
Yes, the M27C4001 is available in ECOPACK® compliant, lead-free packages.
- What are the operating temperature ranges for the M27C4001?
The ambient operating temperature range is –40 to 125 °C.
