M27C4001 is a 4 Mbit EPROM offered in the two ranges UV (ultra violet erase) and OTP (one time programmable).
The M27C4001 is a 4 Mbit EPROM organized as 524,288 by 8 bits. It is available in two ranges: UV (ultra violet erase) and OTP (one time programmable). The device is offered in FDIP32W, LCCC32W, PDIP32, PLCC32, and TSOP32 packages.
| Memory Capacity | 4 Mbit (512Kb x 8) |
|---|---|
| Organization | 524,288 by 8 bits |
| Access Time (Standard) | 35ns |
| Active Current | 30mA at SMHz |
| Standby Current (CMOS) | 100 pA |
| Programming Voltage | 12.75V + 0.25V |
| Programming Time | 100us/word |
| Operating Temperature Range | -40 to 125 °C |
The manufacturer code is 20h and the device code is 41h.
Data is introduced by selectively programming '0's into desired bit locations, as all bits start in the '1' state.
The Vpp input must be at 12.75V + 0.25V to enter the programming mode.