Overview
The M27C512-90C1TR is a 512 Kbit EPROM (Erasable Programmable Read-Only Memory) produced by STMicroelectronics. This device is available in both UV (ultra violet erase) and OTP (one time programmable) versions, making it suitable for applications requiring fast turn-around and pattern experimentation. The M27C512 is organized as 64K x 8 bits and is offered in various packages, including PLCC32, which is the case for the M27C512-90C1TR model.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Device Type | M27C512 | - |
| Memory Size | 512 Kbit (64K x 8) | - |
| Supply Voltage | 5V ± 10% | V |
| Access Time | 90 ns | ns |
| Active Current | 30 mA | mA |
| Standby Current | 100 µA | µA |
| Programming Voltage | 12.75 V ± 0.25 V | V |
| Programming Time | Around 6 seconds | s |
| Package | PLCC32 | - |
| Temperature Range | –40 to 125 °C | °C |
Key Features
- Low Power Consumption: Active current of 30 mA and standby current of 100 µA, making it energy-efficient.
- Fast Access Time: Access times ranging from 45 ns to 150 ns depending on the model variant.
- Programming Flexibility: Supports both UV erase and OTP versions, with a programming voltage of 12.75 V ± 0.25 V.
- Electronic Signature: Includes manufacturer and device codes for identification.
- ECOPACK® Versions: Available in lead-free packages to meet environmental requirements.
- Multiple Packages: Offered in FDIP28W, PDIP28, and PLCC32 packages.
Applications
The M27C512 is ideally suited for applications where fast turn-around and pattern experimentation are crucial. These include:
- Embedded Systems: Used in various embedded systems requiring non-volatile memory.
- Industrial Control Systems: Suitable for industrial control systems that need reliable and programmable memory.
- Aerospace and Automotive: Can be used in aerospace and automotive applications due to its robustness and reliability.
- Development and Prototyping: Useful for development and prototyping phases where frequent programming and erasure are necessary.
Q & A
- What is the memory size of the M27C512?
The M27C512 has a memory size of 512 Kbit, organized as 64K x 8 bits.
- What are the different package options available for the M27C512?
The M27C512 is available in FDIP28W, PDIP28, and PLCC32 packages.
- What is the access time for the M27C512-90C1TR model?
The access time for the M27C512-90C1TR model is 90 ns.
- How is the M27C512 programmed?
The M27C512 is programmed by applying a programming voltage of 12.75 V ± 0.25 V and pulsing the chip enable (E) input.
- What is the standby current of the M27C512?
The standby current of the M27C512 is 100 µA.
- Does the M27C512 support UV erasure?
- What are the temperature ranges for the M27C512?
The temperature range for the M27C512 is –40 to 125 °C.
- Is the M27C512 available in lead-free packages?
- How long does it take to program the M27C512?
The programming time for the M27C512 is around 6 seconds.
- What are the electronic signature codes for the M27C512?
The manufacturer code is 20h and the device code is 3Dh.
