R1EV58256BXXN Datasheet, PDF (15/25 Pages) Renesas Technology Corp – 256K EEPROM (32-Kword × 8-bit)

R1EV58256BxxN Series/R1EV58256BxxR Series
Toggle bit
This device provide another function to determine the internal programming cycle. If the EEPROM is set to read mode
during the internal programming cycle, I/O6 will charge from “1” to “0” (toggling) for each read. When the internal
programming cycle is finished, toggling of I/O6 will stop and the device can be accessible for next read or program.
Toggle bit Waveform
Notes: 1. I/O6 beginning state is “1”.
2. I/O6 ending state will vary.
3. See AC read characteristics.
4. Any address location can be used, but the address must be fixed.
Address
CE
t_CE ^*3
Next mode
*4
WE
OE
I/O6
t_OEH
Din
t_OE^*3
*1
Dout
Dout
t_WC
*2
Dout
t_OES
*2
Dout
t_DW
R10DS0208EJ0200 Rev.2.00
May 12, 2016
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