Overview
The M27C512-90B1 is a 512 Kbit 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 64K x 8 bits, making it suitable for applications requiring fast turn-around and pattern experimentation. The M27C512-90B1 is offered in various packages, including FDIP28W, PDIP28, and PLCC32, with the FDIP28W package featuring a transparent lid for UV erasure. The device is also available in ECOPACK® lead-free packages to meet environmental requirements.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| 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 s | s |
| Package | PDIP28 | - |
| Operating Temperature | -40°C to 85°C | °C |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant | - |
Key Features
- Low power CMOS consumption with active current of 30 mA and standby current of 100 µA.
- Fast access times ranging from 45 ns to 150 ns depending on the specific model.
- Programming voltage of 12.75 V ± 0.25 V and programming time around 6 seconds.
- Electronic Signature with manufacturer code 20h and device code 3Dh.
- Available in ECOPACK® lead-free packages to meet environmental requirements.
- Transparent lid in FDIP28W package for UV erasure.
Applications
The M27C512-90B1 is ideally suited for applications where fast turn-around and pattern experimentation are critical. These include:
- Development and testing of firmware and software.
- Prototyping and proof-of-concept projects.
- Embedded systems requiring non-volatile memory.
- Industrial control systems and automation.
- Consumer electronics and appliances.
Q & A
- What is the memory size of the M27C512-90B1?
The memory size is 512 Kbit, organized as 64K x 8 bits.
- What are the available package types for the M27C512-90B1?
The device is available in FDIP28W, PDIP28, and PLCC32 packages.
- What is the access time for the M27C512-90B1?
The access time for this specific model is 90 ns.
- How is the M27C512-90B1 programmed?
The device is programmed using a programming voltage of 12.75 V ± 0.25 V and takes around 6 seconds to program.
- Is the M27C512-90B1 lead-free and RoHS compliant?
- What is the operating temperature range for the M27C512-90B1?
The operating temperature range is -40°C to 85°C.
- How does the UV erasure work for the FDIP28W package?
The FDIP28W package has a transparent lid that allows the user to expose the chip to ultraviolet light to erase the bit pattern.
- What are the standby and active current consumption values?
The standby current is 100 µA, and the active current is 30 mA.
- What is the electronic signature of the M27C512-90B1?
The electronic signature includes a manufacturer code of 20h and a device code of 3Dh.
- What types of applications is the M27C512-90B1 suited for?
The device is suited for applications requiring fast turn-around and pattern experimentation, such as development, prototyping, embedded systems, industrial control, and consumer electronics.
