lh28f640sp Sharp Microelectronics of the Americas, lh28f640sp Datasheet - Page 28

• Manufacturer Part Number: lh28f640sp
• Description: Flash Memory 64mbit 4mbitx16
• Manufacturer: Sharp Microelectronics of the Americas

DQ
V
BYTE#
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. This waveform illustrates the case when STS is in level mode (RY/BY#).
5. Read status register data.
6. For read operation, OE# and CE
(SR.7)
PEN
CE
STS
WE#
A
OE#
15-0
RP#
CC
Disabled (V
22-0
Enabled (V
X
(V)
power-up and standby.
(D/Q)
(E)
(W)
(R)
(A)
(G)
(F)
(P)
V
V
PENLK
High Z
("1")
("0")
PENH
V
V
V
V
V
V
V
V
V
V
V
V
V
IH
V
IL
IH
IH
IH
IH
IH
IH
IL
IL
IL
IL
IL
IL
OL
)
)
IL
NOTE 1
t
PHWL
t
ELWL
X
(t
must be driven active, and WE# de-asserted.
PHEL
(t
WLEL
ADDRESS
NOTE 2
)
VALID
)
Figure 9. AC Waveform for Write Operations
t
AVAV
t
(t
WLWH
ELEH
DATA IN
)
t
WHDX
t
WHEH
LHF64PZ8
t
WHWL
(t
EHDX
(t
EHWH
(t
EHEL
t
AVWH
)
)
)
ADDRESS
NOTE 3
t
(t
(t
FLWH
VALID
FLEH
AVEH
t
t
VVWH
DVWH
/t
/t
)
FHWH
FHEH
DATA IN
(t
(t
VVEH
DVEH
)
)
)
t
(t
WHFL
t
EHFL
(t
WHGL
t
WHAX
EHAX
(t
t
(t
WHQV1,2,3,4,5,6
t
EHQV1,2,3,4,5,6
WHRL
/t
WHR0
/t
WHFH
EHFH
(t
)
EHGL
NOTE 4
NOTES 5, 6
(t
(t
)
ADDRESS
EHRL
EHR0
)
VALID
))
)
)
NOTES 5, 6
VALID
t
QVVL
SRD
Rev. 0.06
25