This document describes the features and characteristics of M27W512 512 Kbit (64K x8) Low Voltage UV EPROM and OTP EPROM, including supply voltage, access time, low power consumption, programming time, and high reliability.
The document describes the M27W512, a 512 Kbit (64K x8) Low Voltage UV EPROM and One-Time Programmable (OTP) EPROM available in FDIP28W, PDIP28, PLCC32, and TSOP28 packages. It is designed for microprocessor systems with an operating supply voltage as low as 2.7V.
| Capacity | 512 Kbit (64K x8) |
|---|---|
| Supply Voltage Range | 2.7 to 3.6V |
| Access Time (3.0-3.6V) | 70ns |
| Access Time (2.7-3.6V) | 80ns |
| Standby Current | 15uA max |
| Active Current (5MHz) | 15mA max |
| Programming Time | 100us/byte |
The manufacturer code is 20h and the device code is 3Dh.
Yes, it is pin compatible with the M27C512.