LH28F640BFHE-PBTL70A Sharp Microelectronics, LH28F640BFHE-PBTL70A Datasheet - Page 16

• Manufacturer Part Number: LH28F640BFHE-PBTL70A
• Description: Flash Mem Parallel 3V/3.3V 64M-Bit 4M x 16 70ns 48-Pin TSOP
• Manufacturer: Sharp Microelectronics

Specifications of LH28F640BFHE-PBTL70A

• Package: 48TSOP
• Cell Type: NOR
• Density: 64 Mb
• Architecture: Sectored
• Block Organization: Asymmetrical
• Location Of Boot Block: Bottom
• Typical Operating Supply Voltage: 3|3.3 V
• Sector Size: 8KByte x 8|64KByte x 127
• Timing Type: Asynchronous
• Operating Temperature: -40 to 85 °C
• Interface Type: Parallel

NOTES:
1. "WP#=0→1" means that WP# is driven to V
2. State transition from the current state [011] to the next state depends on the previous state.
3. When WP# is driven to V
4. In this state transitions table, assumes that lock configuration commands are not written in
Previous State
Other than
V
automatically locked.
previous, current and next state.
[110]
[110]
IL
.
-
-
-
-
-
-
(2)
(2)
Table 10. Block Locking State Transitions upon WP# Transition
[000]
[001]
[100]
[101]
[011]
[110]
[111]
State
Current State
IL
WP#
0
0
0
1
1
1
1
in [110] state, the state changes to [011] and the blocks are
DQ
LHF64FG8
0
0
1
0
0
1
1
1
IH
DQ
0
1
1
0
1
0
1
and "WP#=1→0" means that WP# is driven to
0
Result after WP# Transition (Next State)
WP#=0→1
[100]
[101]
[110]
[111]
-
-
-
-
(1)
(4)
WP#=1→0
[000]
[001]
[011]
[011]
-
-
-
-
(3)
(1)
Rev. 2.45
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