HD64F3437TF16 Datasheet, PDF (567/752 Pages) Hitachi Semiconductor – 12 V must not be applied to the S-mask model (single-power-supply specification), as this may permanently damage the device.

Address
CE
OE
WE
Data
t_ces
t_ceh t_nxtc t_ces
t_ceh
t_nxtc
t_f
t_wep
t_r
t_ds
t_dh
H'71
t_f
t_wep
t_r
t_ds
t_dh
H'71
t_ce
t_oe
t_nxtc
t_df
Note: FO2 and FO3 are undefined.
Figure 21.22 Status Read Mode Timing Waveforms
Table 21.19 Status Read Mode Return Codes
Pin
FO7
FO6
FO5
FO4
FO3 FO2 FO1
FO0
Attribute
Normal end Command Programming Erase
identification error
error
error
— — Programming Valid
or erase
address
count
error
exceeded
Initial value 0
0
0
0
0
0
0
0
Indications Normal end: Command Programming Erase
— — Count
Valid
0
error: 1 error: 1
error: 1
exceeded: 1 address
Abnormal Otherwise: Otherwise: 0 Otherwise:
Otherwise: 0 ^{error: 1}
end: 1
0
0
Otherwise:
0
Note: FO2 and FO3 are undefined.
Status Polling
1. In FO7 status polling, FO7 is a flag that indicates the operating status in auto-program or auto-
erase mode.
2. In FO6 status polling, FO6 is a flag that indicates a normal or abnormal end in auto-program or
auto-erase mode.
Table 21.20 Status Polling Output Truth Table
Pin
FO7
FO6
FO0–FO5
Internal Operation
in Progress
Abnormal End —
0
1
0
0
0
1
0
0
0
Normal End
1
1
0
538