Overview
The M27C4002-70C1 is a 4 Mbit EPROM (Erasable Programmable Read-Only Memory) produced by STMicroelectronics. It is available in both UV (ultra violet erase) and OTP (one time programmable) versions. This device is organized as 262,144 words of 16 bits, making it suitable for microprocessor systems that require large programs. The M27C4002-70C1 is offered in various packages, including FDIP40W (window ceramic frit-seal package), PDIP40, PLCC44, and TSOP40 (10 x 20 mm), with ECOPACK® options available for environmental compliance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Memory Type | OTP EPROM / UV EPROM | |
| Memory Size | 4 Mbit (256K x 16) | |
| Access Time | 70ns | ns |
| Supply Voltage for Read Operations | 5V ± 10% | V |
| Programming Voltage | 12.75V ± 0.25V | V |
| Programming Time | 100µs/word | µs |
| Active Current | 70mA at 10MHz | mA |
| Standby Current | 100µA | µA |
| Ambient Operating Temperature | –40 to 125 °C | °C |
| Storage Temperature | –65 to 150 °C | °C |
Key Features
- Low Power Consumption: Active current of 70mA at 10MHz and standby current of 100µA.
- Two-Line Output Control: Features chip enable (E) and output enable (G) for efficient memory array management.
- Electronic Signature: Provides manufacturer and device codes for identification.
- ECOPACK® Packages: Available in lead-free packages to meet environmental requirements.
- Programming and Erase Capabilities: Supports UV erase and one-time programmable options.
Applications
The M27C4002-70C1 is ideally suited for microprocessor systems that require large programs. 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 M27C4002-70C1? The memory size is 4 Mbit, organized as 262,144 words of 16 bits.
- What are the available package types for the M27C4002-70C1? The device is available in FDIP40W, PDIP40, PLCC44, and TSOP40 packages.
- What is the access time of the M27C4002-70C1? The access time is 70ns.
- What is the supply voltage for read operations? The supply voltage for read operations is 5V ± 10%.
- How long does it take to program one word? The programming time is 100µs per word.
- What is the standby current of the M27C4002-70C1? The standby current is 100µA.
- Does the M27C4002-70C1 support UV erase? Yes, it supports UV erase in the FDIP40W package.
- What is the electronic signature feature? The electronic signature feature provides manufacturer and device codes for identification.
- Are ECOPACK® packages available for the M27C4002-70C1? Yes, ECOPACK® packages are available for environmental compliance.
- What is the operating temperature range for the M27C4002-70C1? The ambient operating temperature range is –40 to 125 °C).
