LHF00L31 Sharp Microelectronics, LHF00L31 Datasheet - Page 15

• Manufacturer Part Number: LHF00L31
• Description: IC FLASH 16MBIT 70NS 48TSOP
• Manufacturer: Sharp Microelectronics

Specifications of LHF00L31

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 16M (1M x 16)
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-TSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 425-1888

Previous State
Other than
[110]
[110]
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
-
-
-
-
-
-
V
automatically locked.
previous, current and next state.
(2)
(2)
IL
.
Table 7. Block Locking State Transitions upon WP# Transition
[000]
[001]
[011]
[100]
[101]
[110]
[111]
State
Current State
WP#
0
0
0
1
1
1
1
IL
in [110] state, the state changes to [011] and the blocks are
DQ
LHF00L31
0
0
1
0
0
1
1
1
DQ
IH
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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