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R1EV58256BXXN Datasheet, PDF (18/25 Pages) Renesas Technology Corp – 256K EEPROM (32-Kword × 8-bit)
R1EV58256BxxN Series/R1EV58256BxxR Series
Data Protection
To prevent this phenomenon, this device has a noise cancellation function that cuts noise if its width is 20 ns or less.
1. Data Protection against Noise on Control Pins (CE, OE, WE) during Operation
During readout or standby, noise on the control pins may act as a trigger and turn the EEPROM to programming
mode by mistake. Be careful not to allow noise of a width of more than 20 ns on the control pins.
WE
CE
VIH
0V
VIH
OE
0V
20 ns max
R10DS0208EJ0200 Rev.2.00
May 12, 2016
Page 18 of 23