Key facts
- Brand
- STMicroelectronics
- Model
- M27C512
- Industry
- Industrial
- Documents
- 3
- Languages
- EN
- Last added
- 2012-05-10
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ST M27C512 512 Kbit (64K x8) UV EPROM OTP EPROM handbook
This handbook describes the M27C512 512 Kbit EPROM offered in UV and OTP versions. It covers the device architecture, pin functions, electrical characteristics, and the available package types (FDIP28W, PDIP28, PLCC32, TSOP28).
Detailed sections explain read and standby operation, programming voltage and timing, electronic signature, erasure methods for UV EPROMs, and recommended decoupling and bulk capacitor practices for system designers.
STMicroelectronics M27C512 specifications
| Access time | 45 ns |
|---|---|
| Read supply voltage | 5 V ±10% |
| Active current | 30 mA |
| Standby current | 100 µA |
| Programming voltage | 12.75 V ±0.25 V |
| Typical programming time | ~6 seconds |
| Vcc (Voc) voltage | 6.25 V |
| UV erasure time (15 W‑sec/cm²) | 15–20 minutes |
Source: ST M27C512 512 Kbit (64K x8) UV EPROM OTP EPROM handbook
All STMicroelectronics M27C512 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the programming voltage for the M27C512?
The device requires a programming voltage of 12.75 V with a tolerance of ±0.25 V.
From: ST M27C512 512 Kbit (64K x8) UV EPROM OTP EPROM handbook
How long does UV erasure take for the M27C512?
Erasing the UV EPROM with the specified UV intensity takes about 15 to 20 minutes.
From: ST M27C512 512 Kbit (64K x8) UV EPROM OTP EPROM handbook
What supply voltage is required for read operation?
The M27C512 requires a 5 V supply with a tolerance of ±10 % for read operation.
How long does programming typically take?
Programming the device typically takes around 6 seconds.
What is the programming voltage for the M27C512?
The programming voltage is 12.75 V + 0.25 V.
How long does UV erasure take for the M27C512?
Erasure with a 253.7 Å UV lamp takes about 15 to 20 minutes.