HY29F040A Datasheet, PDF (28/40 Pages) Hynix Semiconductor – 512K x 8-bit CMOS 5.0 volt-only, Sector Erase Flash Memory

SWITCHING WAVEFORMS
CE
OE
WE
Data
5.0V
V_CC
GND
t_{C H}
DQ7
DQ 0-DQ 6
t_{O E}
t_DF
t_{O E H}
t_CE
t_{WHW H 1 or 2}
t_{O H}
H igh
Z
DQ7
DQ 7= Valid Data
D Q 0-D Q 6= Invalid
t_{O E}
DQ 0-DQ 7
Valid Data
Notes:
1. DQ7 = Valid Data (The device has completed the internal program or erase operation.)
Figure 11. AC Waveforms for /Data Polling during Internal Algorithm Operations
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HY29F040A