Overview
The M27C4002-45XF1 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 organized as 262,144 words of 16 bits, making it suitable for microprocessor systems that require large programs.
The M27C4002-45XF1 features a single power supply for read operations, with a supply voltage of 5V ± 10%. It has an access time of 45ns and low power consumption, with an active current of 70mA at 10MHz and a standby current of 100µA.
Key Specifications
| Parameter | Description | Value | Unit |
|---|---|---|---|
| Capacity | 4 Mbit (256Kb x 16) | - | - |
| Access Time | Time to access data | 45ns | ns |
| Supply Voltage (Read) | Voltage for read operations | 5V ± 10% | V |
| Active Current | Current during active read at 10MHz | 70mA | mA |
| Standby Current | Current in standby mode | 100µA | µA |
| Programming Voltage | Voltage for programming | 12.75V ± 0.25V | V |
| Programming Time | Time to program one word | 100µs | µs |
| Ambient Operating Temperature | Temperature range for operation | –40 to 125°C | °C |
| Storage Temperature | Temperature range for storage | –65 to 150°C | °C |
Key Features
- Low Power Consumption: Active current of 70mA at 10MHz and standby current of 100µA.
- Fast Access Time: 45ns access time for quick data retrieval.
- Electronic Signature: Manufacturer code (20h) and device code (44h) for identification.
- Multiple Packages: Available in FDIP40W, PDIP40, PLCC44, and TSOP40 packages.
- ECOPACK® Packages: Lead-free packages compliant with JEDEC Standard JESD97.
- Two-Line Output Control: Chip Enable (E) and Output Enable (G) for efficient memory management.
Applications
The M27C4002-45XF1 is ideally suited for microprocessor systems that require large programs. It is commonly used in:
- Embedded systems requiring non-volatile memory.
- Industrial control systems.
- Automotive electronics.
- Consumer electronics where program storage is necessary.
Q & A
- What is the capacity of the M27C4002-45XF1?
The M27C4002-45XF1 has a capacity of 4 Mbit, organized as 262,144 words of 16 bits.
- What is the access time of the M27C4002-45XF1?
The access time is 45ns.
- What are the supply voltage requirements for read operations?
The supply voltage for read operations is 5V ± 10%.
- How much current does the device consume in active and standby modes?
The device consumes 70mA in active mode at 10MHz and 100µA in standby mode.
- What is the programming voltage and time for the M27C4002-45XF1?
The programming voltage is 12.75V ± 0.25V, and the programming time is 100µs per word.
- What are the available package types for the M27C4002-45XF1?
The device is available in FDIP40W, PDIP40, PLCC44, and TSOP40 packages.
- Does the M27C4002-45XF1 support electronic signature?
Yes, it supports electronic signature with a manufacturer code (20h) and device code (44h).
- What is the temperature range for operation and storage?
The ambient operating temperature range is –40 to 125°C, and the storage temperature range is –65 to 150°C.
- Is the M27C4002-45XF1 available in lead-free packages?
Yes, it is available in ECOPACK® packages which are lead-free and compliant with JEDEC Standard JESD97.
- How does the two-line output control function work?
The two-line output control uses Chip Enable (E) and Output Enable (G) to manage memory efficiently, ensuring low power dissipation and preventing output bus contention.
