lh28f400su-nc Sharp Microelectronics of the Americas, lh28f400su-nc Datasheet - Page 28

• Manufacturer Part Number: lh28f400su-nc
• Description: 512k 256k Flash Memory
• Manufacturer: Sharp Microelectronics of the Americas

LH28F400SU-NC
28
ADDRESSES (A)
ADDRESSES (A)
NOTES:
1. This address string depicts Data-Write/Erase cycles with corresponding verification via ESRD.
2. This address string depicts Data-Write/Erase cycles with corresponding verification via CSRD.
3. This cycle is invalid when using CSRD for verification during Data-Write/Erase operations.
4. RP low transition is only to show t
(NOTE 1)
(NOTE 2)
DATA (D/Q)
RY/BY (R)
V
WE (W)
OE (G)
CE (E)
RP (P)
PP
(V)
POWER-DOWN
V
V
V
V
PPH
V
V
V
V
V
DEEP
V
V
PPL
V
V
V
V
V
V
V
OH
OL
IH
IH
IH
IH
IH
IH
IH
IL
IL
IL
IL
IL
IL
IL
HIGH-Z
t
WLWH
t
t
PHWL
ELWL
Figure 22. AC Waveforms for Command Write Operations
SETUP COMMAND
DATA-WRITE
OR ERASE
WRITE
t
t
t
AVAV
RHPL
WHEH
AVAV
D
IN
; not valid for above Read and Write cycles.
t
WHDX
t
WHWL
t
DVWH
ADDRESS AND DATA
(DATA-WRITE) OR
ERASE CONFIRM
t
WRITE VALID
AVWH
t
t
COMMAND
AVWH
VPWH
A
A
D
IN
IN
IN
t
WHAX
t
t
WHAX
WHRL
AUTOMATED
DATA-WRITE
OR ERASE
DELAY
t
WHQV 1, 2
(NOTE 3)
4M (512K × 8, 256K × 16) Flash Memory
D
IN
t
WHGL
REGISTER DATA
COMPATIBLE
STATUS
READ
D
t
t
RHPL
QVVL
OUT
(NOTE 4)
t
GHWL
28F400SUT-NC60-20
D
IN