LH28F640BFHE-PTTL80 Sharp Electronics, LH28F640BFHE-PTTL80 Datasheet - Page 32

• Manufacturer Part Number: LH28F640BFHE-PTTL80
• Manufacturer: Sharp Electronics

Specifications of LH28F640BFHE-PTTL80

• Cell Type: NOR
• Density: 64Mb
• Access Time (max): 80ns
• Interface Type: Parallel
• Boot Type: Top
• Address Bus: 22b
• Operating Supply Voltage (typ): 3V
• Operating Temp Range: -40C to 85C
• Package Type: TSOP
• Sync/async: Asynchronous
• Operating Temperature Classification: Industrial
• 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