LH28F008SAT-85 Sharp Microelectronics, LH28F008SAT-85 Datasheet - Page 37

• Manufacturer Part Number: LH28F008SAT-85
• Description: IC FLASH 8MBIT 85NS 40TSOP
• Manufacturer: Sharp Microelectronics

Specifications of LH28F008SAT-85

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 8M (1M x 8)
• Speed: 85ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 40-TSOP
• Lead Free Status / RoHS Status: Contains lead / Request inventory verification
• Other names: 425-1836; LHF08S49

sharp
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.
*1 t
*2 To prevent the unwanted writes, system designers should consider the V
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
V
(V
DATA
See the application note AP-007-SW-E for details.
to GND during read operations and V
(RST#)
5VPH
CCW
WE#
WP#
PP
CE#
V
RP#
OE#
)
CC
*2
for the device in 5V operations.
(W)
(D/Q)
(V)
(E)
(G)
(P)
(S)
(A)
V
V
(V
GND
CC
GND
CCWH1/2
V
V
V
V
V
V
V
V
V
V
V
PPH1/2
V
V
V
(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
*1
PPH1/2
t
High Z
R
) during write or erase operations.
t
R
or
t
F
t
PHQV
CCW
t
F
t
AVQV
(V
PP
Address
t
Valid
) switch, which connects V
F
t
ELQV
t
GLQV
Output
Valid
t
t
t
Rev. 1.10
R
R
R
CCW
or
t
(V
F
i
PP
)