Overview
The STMicroelectronics M27C512-90B6 is a 512 Kbit EPROM (Erasable Programmable Read-Only Memory) device, available in both UV (ultra violet erase) and OTP (one time programmable) versions. This device is organized as 64K x 8 bits and is designed for applications requiring fast turn-around and pattern experimentation. The M27C512-90B6 is part of the M27C512 family, which offers various access times and package options, including PDIP28 and PLCC32 packages. The device is also available in ECOPACK® versions, which are lead-free and comply with environmental standards.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Device Type | 512 Kbit EPROM | - |
| Organization | 64K x 8 bits | - |
| Access Time | 90 ns | ns |
| Supply Voltage (Read) | 5V ± 10% | V |
| 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 | PDIP28, PLCC32 | - |
| Ambient Operating Temperature | –40 to 125 °C | °C |
Key Features
- Fast access times with options ranging from 45 ns to 150 ns.
- Low power consumption with active current of 30 mA and standby current of 100 µA.
- Programming voltage of 12.75 V ± 0.25 V and programming time around 6 seconds.
- Electronic Signature mode for device identification with manufacturer code (20h) and device code (3Dh).
- Available in UV and OTP versions, with UV versions featuring a transparent lid for UV erasure.
- ECOPACK® versions available, which are lead-free and environmentally compliant.
Applications
The M27C512-90B6 is ideally suited for applications where fast turn-around and pattern experimentation are crucial. These include:
- Development and prototyping of electronic systems requiring frequent changes in program data.
- Production environments where the need for rapid programming and erasure is essential.
- Embedded systems that require non-volatile memory with low power consumption.
- Industrial control systems, automotive electronics, and other applications requiring reliable and programmable memory solutions.
Q & A
- What is the M27C512-90B6?
The M27C512-90B6 is a 512 Kbit EPROM device from STMicroelectronics, available in UV and OTP versions.
- What are the access times available for the M27C512 family?
The access times range from 45 ns to 150 ns, depending on the specific model.
- What is the supply voltage for the M27C512-90B6 in read mode?
The supply voltage is 5V ± 10%.
- How much current does the M27C512-90B6 consume in active and standby modes?
The active current is 30 mA, and the standby current is 100 µA.
- What is the programming voltage and time for the M27C512-90B6?
The programming voltage is 12.75 V ± 0.25 V, and the programming time is around 6 seconds.
- What packages are available for the M27C512-90B6?
The device is available in PDIP28 and PLCC32 packages, including ECOPACK® versions.
- How does the Electronic Signature mode work?
The Electronic Signature mode allows for device identification using manufacturer and device codes, which can be read out by toggling address line A0.
- What are the environmental specifications for the M27C512-90B6?
The device operates within an ambient temperature range of –40 to 125 °C and is available in lead-free ECOPACK® versions.
- What are typical applications for the M27C512-90B6?
Typical applications include development and prototyping, production environments, embedded systems, and industrial control systems.
- How is the UV erasure process performed on the M27C512-90B6?
The UV erasure process involves exposing the chip to ultraviolet light through the transparent lid of the UV version package.
