Overview
The M27C4001-80XF1 is a 4 Mbit EPROM (Erasable Programmable Read-Only Memory) produced by STMicroelectronics. This device is available in two main types: UV (ultra violet erase) and OTP (one time programmable). It is designed to meet the needs of microprocessor systems that require large program storage, organized as 512K x 8 bits.
The M27C4001 is offered in various packages, including FDIP32W, PDIP32, PLCC32, and TSOP32, with ECOPACK® compliant versions that are lead-free and meet environmental standards. The device features low power consumption, fast access times, and robust programming capabilities.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Memory Size | 4 Mbit | |
| Organization | 512K x 8 | |
| Interface Type | Parallel | |
| Operating Supply Voltage | 5V ± 10% | V |
| Access Time | 35ns, 45ns, 55ns | ns |
| Active Current | 30mA at 5MHz | mA |
| Standby Current | 100µA | µA |
| Programming Voltage | 12.75V ± 0.25V | V |
| Programming Time | 100µs/Word | µs/Word |
| Ambient Operating Temperature | –40 to 125 °C | °C |
| Storage Temperature | –65 to 150 °C | °C |
Key Features
- Low Power Consumption: Active current of 30mA at 5MHz and standby current of 100µA.
- Fast Access Times: Access times of 35ns, 45ns, and 55ns depending on the speed grade.
- Programming Capabilities: Programmable with a voltage of 12.75V ± 0.25V and a programming time of 100µs per word.
- Electronic Signature: Allows reading of a binary code to identify the manufacturer and device type.
- Multiple Packages: Available in FDIP32W, PDIP32, PLCC32, and TSOP32 packages, with ECOPACK® compliant versions.
- Two-Line Output Control: Features a two-line control function to minimize power dissipation and prevent output bus contention.
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 non-volatile memory is necessary.
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 operating supply voltage for the M27C4001?
The operating supply voltage is 5V ± 10%.
- What is the access time for the M27C4001?
The access times are 35ns, 45ns, and 55ns depending on the speed grade.
- 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 programming voltage and time for the M27C4001?
The programming voltage is 12.75V ± 0.25V, and the programming time is 100µs per word.
- What is the electronic signature feature used for?
The electronic signature feature allows reading of a binary code to identify the manufacturer and device type.
- What are the environmental specifications for the M27C4001?
The device operates in an ambient temperature range of –40 to 125 °C and can be stored in temperatures from –65 to 150 °C.
- Is the M27C4001 lead-free?
Yes, the M27C4001 is available in ECOPACK® compliant versions which are lead-free.
- What are some common applications of the M27C4001?
The M27C4001 is commonly used in embedded systems, industrial control systems, automotive electronics, and consumer electronics.
