Overview
The M27C512-15B1 is a 512 Kbit 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 64K x 8 bits, making it suitable for applications requiring fast turn-around and pattern experimentation.
The M27C512-15B1 is offered in various packages, including FDIP28W, PDIP28, and PLCC32, with the FDIP28W package featuring a transparent lid for UV erasure. The device also comes in ECOPACK® versions, which are lead-free and comply with environmental standards.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Capacity | 512 Kbit (64K x 8 bits) | - |
| Supply Voltage | In read operation | 5V ± 10% |
| Access Time | - | 150 ns (for M27C512-15B1) |
| Active Current | In read operation | 30 mA |
| Standby Current | - | 100 µA |
| Programming Voltage | - | 12.75 V ± 0.25 V |
| Programming Time | - | Around 6 seconds |
| Packages | - | FDIP28W, PDIP28, PLCC32 |
| Electronic Signature | Manufacturer Code / Device Code | 20h / 3Dh |
Key Features
- Low Power Consumption: Active current of 30 mA and standby current of 100 µA.
- Fast Access Time: Access times ranging from 45 ns to 150 ns depending on the specific model.
- Programming Efficiency: Uses PRESTO IIB Programming Algorithm to reduce programming time to less than 6 seconds.
- Environmental Compliance: Available in ECOPACK® lead-free packages.
- UV Erasable: The FDIP28W package allows for UV erasure of the device.
- Electronic Signature: Manufacturer code (20h) and device code (3Dh) for identification.
Applications
The M27C512-15B1 is ideally suited for applications where fast turn-around and pattern experimentation are crucial. These include:
- Embedded Systems: For storing firmware or configuration data in embedded systems.
- Development and Prototyping: For rapid development and testing of digital circuits.
- Industrial Control Systems: For storing control algorithms and data in industrial control systems.
- Aerospace and Defense: For applications requiring reliable and secure data storage.
Q & A
- What is the capacity of the M27C512-15B1?
The M27C512-15B1 has a capacity of 512 Kbit, organized as 64K x 8 bits.
- What are the different package options available for the M27C512-15B1?
The device is available in FDIP28W, PDIP28, and PLCC32 packages.
- What is the access time for the M27C512-15B1 model?
The access time for the M27C512-15B1 is 150 ns.
- How is the M27C512-15B1 programmed?
The device is programmed by applying 12.75 V ± 0.25 V to the VPP input and pulsing the E input to VIL. Data is applied in parallel to the data output pins.
- Can the M27C512-15B1 be erased and reprogrammed?
Yes, the UV EPROM version can be erased using ultraviolet light and then reprogrammed.
- What is the standby current of the M27C512-15B1?
The standby current is 100 µA.
- Is the M27C512-15B1 environmentally friendly?
Yes, it is available in ECOPACK® lead-free packages, complying with environmental standards.
- How do I identify the M27C512-15B1 using electronic signature?
The device can be identified using the manufacturer code (20h) and device code (3Dh) through the electronic signature mode.
- What programming algorithm can be used to reduce programming time?
The PRESTO IIB Programming Algorithm can be used to reduce the programming time to less than 6 seconds.
- What are the typical applications of the M27C512-15B1?
Typical applications include embedded systems, development and prototyping, industrial control systems, and aerospace and defense.
