M27C400-70F6TR
STMicroelectronics
4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROMM27C400
4 Mbit (512Kb x8 or 256Kb x16) UV EPROM and OTP EPROM
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5V ± 10% SUPPLY VOLTAGE in READ OPERATION ACCESS TIME: 55ns BYTE-WIDE or WORD-WIDE CONFIGURABLE 4 Mbit MASK ROM REPLACEMENT LOW POWER CONSUMPTION – Active Current 70mA at 8MHz – Stand-by Cur