W28V400B Datasheet, PDF (36/48 Pages) Winbond – 4M(512K x 8/256K x 16) SMARTVOLTAGE FLASH MEMORY

W28V400B/T
VIH
Address(A)
VIL
#CE(E) ^VIH
VIL
VIH
#OE(G) _VIL
VIH
#WE(W)
VIL
VIH
DATA(D/Q) _VIL
1
2
A _IN
t _AVAV
3
A _IN
t AVWH
4
t WHAX
t_ELWL
t_WHEH
t _WHGL
t _WHWL
t WHQV1,2
HIGH Z
t PHWL
t WLWH
t DV_tWWHHDX
D _IN
D _IN
t _FVWH
t _WHFV
V _IH
#BYTE(F)
V _IL
RY/#BY(R)
VOH
VOL
t _WHRL
t
#WP(S) ^VIH
V _IL
VHH
t _SHWH
t _PHHWH
#RESET(P) ^VIH
V _IL
VPP
(V)VPPH3,2,1
VPPLK
V _IL
t _VPWH
5
6
Valid
SRD
D _IN
t _QVSL
t _QVPH
t _QVVL
Figure 15. AC Waveform for #WE-Controlled Write Operations
Notes:
1. V_DD power-up and standby.
2. Write block erase or word/byte write setup.
3. Write block erase confirm or valid address and data.
4. Automated erase or program delay.
5. Read status register data.
6. Write Read Array command.
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