LH28F640BFHE-PTTL80 Sharp Electronics, LH28F640BFHE-PTTL80 Datasheet - Page 18

• 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

PCR.15-11 = RESERVED FOR FUTURE
PCR.10-8 = PARTITION CONFIGURATION (PC2-0)
PC2 PC1PC0
0 0 0
0 0 1
0 1 0
1 0 0
000 = No partitioning. Dual Work is not allowed.
001 = Plane1-3 are merged into one partition.
010 = Plane 0-1 and Plane2-3 are merged into one
100 = Plane 0-2 are merged into one partition.
011 = Plane 2-3 are merged into one partition. There are
110 = Plane 0-1 are merged into one partition. There are
101 = Plane 1-2 are merged into one partition. There are
15
R
R
7
(default in a bottom parameter device)
partition respectively.
(default in a top parameter device)
three partitions in this configuration. Dual work
operation is available between any two partitions.
three partitions in this configuration. Dual work
operation is available between any two partitions.
three partitions in this configuration. Dual work
operation is available between any two partitions.
PARTITION1
ENHANCEMENTS (R)
PARTITIONING FOR DUAL WORK
PARTITION1
14
R
R
6
PARTITION1
PARTITION0
Table 12. Partition Configuration Register Definition
PARTITION0
13
R
R
5
PARTITION0
Figure 4. Partition Configuration
PARTITION0
12
R
R
4
LHF64FA2
PCR.7-0 = RESERVED FOR FUTURE
After power-up or device reset, PCR10-8 (PC2-0) is set to
"001" in a bottom parameter device and "100" in a top
parameter device.
See Figure 4 for the detail on partition configuration.
PCR.15-11 and PCR.7-0 are reserved for future use and
should be masked out when checking the partition
configuration register.
PC2 PC1PC0
0 1 1
1 1 0
1 0 1
1 1 1
111 = There are four partitions in this configuration.
11
R
R
3
Each plane corresponds to each partition respec-
tively. Dual work operation is available between any
two partitions.
ENHANCEMENTS (R)
PARTITION2
PARTITION3
PARTITION2
PARTITIONING FOR DUAL WORK
PARTITION2
PC2
10
R
2
PARTITION2
NOTES:
PARTITION1
PARTITION1
PARTITION1
PC1
R
PARTITION1
9
1
PARTITION0
PARTITION0
PARTITION0
PARTITION0
Rev. 2.44
PC0
R
8
0
16