LH28F640BFE-PBTL80 Sharp Electronics, LH28F640BFE-PBTL80 Datasheet - Page 32
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LH28F640BFE-PBTL80
Manufacturer Part Number
LH28F640BFE-PBTL80
Description
Manufacturer
Sharp Electronics
Datasheet
1.LH28F640BFE-PBTL80.pdf
(36 pages)
Specifications of LH28F640BFE-PBTL80
Cell Type
NOR
Density
64Mb
Access Time (max)
80ns
Interface Type
Parallel
Boot Type
Bottom
Address Bus
22b
Operating Supply Voltage (typ)
3.3V
Operating Temp Range
0C to 70C
Package Type
TSOP
Sync/async
Asynchronous
Operating Temperature Classification
Commercial
Operating Supply Voltage (min)
2.7V
Operating Supply Voltage (max)
3.6V
Word Size
16b
Number Of Words
4M
Supply Current
25mA
Mounting
Surface Mount
Pin Count
48
Lead Free Status / Rohs Status
Not Compliant
A-1 RECOMMENDED OPERATING CONDITIONS
A-1.1 At Device Power-Up
If the timing in the figure is ignored, the device may not operate correctly.
described in specifications for the supply voltage range, the operating temperature and the AC specifications not shown in
the next page.
AC timing illustrated in Figure A-1 is recommended for the supply voltages and the control signals at device power-up.
For the AC specifications t
ADDRESS
*1 To prevent the unwanted writes, system designers should consider the design, which applies V
V
(V
DATA
(RST#)
CCW
to 0V during read operations and V
See the application note AP-007-SW-E for details.
WE#
WP#
RP#
PP
CE#
OE#
V
)
CC
*1
(W)
(D/Q)
(V)
(G)
(E)
(P)
(S)
(A)
V
V
(V
GND
CC
GND
CCWH1/2
V
V
V
V
V
V
V
V
V
V
V
V
V
V
PPH1/2
(min)
OH
OL
IH
IH
IH
IH
IH
IH
IL
IL
IL
IL
IL
IL
)
VR
, t
R
, t
t
VR
F
Figure A-1. AC Timing at Device Power-Up
in the figure, refer to the next page. See the “ELECTRICAL SPECIFICATIONS“
CCWH1/2
t
2VPH
(V
PPH1/2
) during write or erase operations.
High Z
t
R
or
t
F
t
PHQV
t
F
t
AVQV
Address
t
Valid
F
t
ELQV
t
GLQV
CCW
Output
Valid
(V
PP
)
t
t
t
Rev. 1.10
R
R
R
or
t
F
i