M27W401-80XN6TR
STMicroelectronics
4 Mbit 512Kb x 8 Low Voltage UV EPROM and OTP EPROMM27W402
4 Mbit (256Kb x16) Low Voltage UV EPROM and OTP EPROM
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2.7V to 3.6V SUPPLY VOLTAGE in READ OPERATION ACCESS TIME: – 80ns at VCC = 3.0V to 3.6V – 100ns at VCC = 2.7V to 3.6V
40 40
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PIN COMPATIBLE with M27C4002 LOW POWER CONSUMPTION: – 15