Overview
The M27C4001-90C1 is a 4 Mbit EPROM (Erasable Programmable Read-Only Memory) produced by STMicroelectronics. It is available in two main types: UV (ultra violet erase) and OTP (one time programmable). This device is organized as 524,288 by 8 bits, making it suitable for microprocessor systems that require large program storage.
The M27C4001-90C1 is offered in various packages, including FDIP32W (window ceramic frit-seal package), PDIP32, PLCC32, and TSOP32 (8 x 20 mm). The ECOPACK® compliant versions are lead-free and meet environmental requirements.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Capacity | 4 Mbit (512Kb x 8) | |
| Supply Voltage (Read Operation) | 5V ± 10% | V |
| Access Time | 90ns | ns |
| Active Current | 30mA at 5MHz | mA |
| Standby Current | 100µA | µA |
| Programming Voltage | 12.75V ± 0.25V | V |
| Programming Time | 100µs/Word | µs |
| 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 Time: 90ns access time for efficient data retrieval.
- Programming and Erase Capabilities: Supports both UV erase and OTP options, with a programming voltage of 12.75V ± 0.25V and a programming time of 100µs/Word.
- 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: Lead-free packages that meet environmental requirements.
Applications
The M27C4001-90C1 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 memory.
- Industrial control systems.
- Automotive electronics.
- Consumer electronics where non-volatile memory is necessary.
Q & A
- What is the capacity of the M27C4001-90C1 EPROM?
The M27C4001-90C1 has a capacity of 4 Mbit, organized as 524,288 by 8 bits.
- What are the different package options available for the M27C4001-90C1?
The device is available in FDIP32W, PDIP32, PLCC32, and TSOP32 (8 x 20 mm) packages.
- What is the access time of the M27C4001-90C1?
The access time is 90ns.
- How much power does the M27C4001-90C1 consume in active and standby modes?
In active mode, it consumes 30mA at 5MHz, and in standby mode, it consumes 100µA.
- What is the programming voltage and time for the M27C4001-90C1?
The programming voltage is 12.75V ± 0.25V, and the programming time is 100µs/Word.
- Does the M27C4001-90C1 support electronic signature?
Yes, it supports electronic signature for identifying the manufacturer and device type.
- What is the purpose of the two-line output control in the M27C4001-90C1?
The two-line output control minimizes memory power dissipation and prevents output bus contention.
- Are the packages of the M27C4001-90C1 environmentally friendly?
Yes, the ECOPACK compliant versions are lead-free and meet environmental requirements.
- What are the typical applications of the M27C4001-90C1?
It is used in microprocessor systems, embedded systems, industrial control systems, automotive electronics, and consumer electronics.
- What are the maximum ratings for ambient operating and storage temperatures?
The ambient operating temperature range is –40 to 125 °C, and the storage temperature range is –65 to 150 °C.
