DESCRIPTION
The M27V401 is a low voltage, low power 4 Mega bit UV erasable and electrically programmable EPROM, ideally suited for handheld and portable microprocessor systems requiring large programs. It is organized as 524,288 by 8 bits.

■ LOW VOLTAGE READ OPERATION: 3V to 5.5V
■ FAST ACCESS TIME: 120ns
■ LOW POWER "CMOS" CONSUMPTION:
    – Active Current 15mA
    – Standby Current 20µA
■ PROGRAMMING VOLTAGE: 12.75V
■ PROGRAMMING TIMES of AROUND 48sec. (PRESTO II ALGORITHM)
■ M27V401 is PROGRAMMABLE as M27C4001 with IDENTICAL SIGNATURE