lh28f640 Sharp Microelectronics of the Americas, lh28f640 Datasheet - Page 23

• Manufacturer Part Number: lh28f640
• Description: 64m X16 Flash Memory
• Manufacturer: Sharp Microelectronics of the Americas

DQ
NOTES:
1. V
2. Write each first cycle command.
3. Write each second cycle command or valid address and data.
4. Automated erase or program delay.
5. Read status register data.
6. For read operation, OE# and CE# must be driven active, and WE# de-asserted.
SR.7
A
WE#
RST#
A
OE#
15-0
CE#
21-0
CC
20-0
power-up and standby.
(D/Q)
(A)
(R)
(W)
(A)
(G)
(E)
(P)
V
V
V
V
V
V
V
V
V
V
"1"
"0"
V
V
IH
IH
IH
IH
IH
IH
IL
IL
IL
IL
IL
IL
NOTE 1
t
PHWL
t
ELWL
(t
PHEL
(t
WLEL
ADDRESS
NOTE 2
)
VALID
)
t
Figure 8. AC Waveform for Write Operations
AVAV
t
(t
WLWH
ELEH
DATA IN
)
t
WHDX
t
WHEH
t
WHWL
LHF64FZ2
(t
EHDX
(t
EHWH
(t
EHEL
t
)
AVWH
)
)
ADDRESS
NOTE 3
(t
VALID
AVEH
t
DVWH
)
DATA IN
(t
DVEH
)
t
t
WHQV1,2,3
(t
WHGL
t
WHAX
EHAX
t
WHR0
(t
NOTE 4
)
EHGL
NOTES 5, 6
(t
(t
EHQV1,2,3
ADDRESS
EHR0
)
VALID
)
NOTES 5, 6
)
VALID
SRD
NOTE 5
Rev. 2.41
21