TC58FVB321FT-10 Toshiba, TC58FVB321FT-10 Datasheet - Page 13

• Manufacturer Part Number: TC58FVB321FT-10
• Manufacturer: Toshiba

Specifications of TC58FVB321FT-10

• Cell Type: NOR
• Density: 32Mb
• Access Time (max): 100ns
• Interface Type: Parallel
• Boot Type: Bottom
• Address Bus: 22/21Bit
• Operating Supply Voltage (typ): 3/3.3V
• Operating Temp Range: -40C to 85C
• Package Type: TSOP-I
• Sync/async: Asynchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 3.6V
• Word Size: 8/16Bit
• Number Of Words: 4M/2M
• Supply Current: 30mA
• Mounting: Surface Mount
• Pin Count: 48
• Lead Free Status / Rohs Status: Not Compliant

Hidden ROM Area
area consists of one block. Data Read, Write and Protect can be performed on this block. Because Protect cannot
be released, once the block is protected, data in the block cannot be overwritten.
TABLE. To access the Hidden ROM area, input a Hidden ROM Mode Entry command. The device now enters
Hidden ROM Mode, allowing Read, Write, Erase and Block Protect to be executed. Write and Erase operations
are the same as auto operations except that the device is in Hidden ROM Mode. However, regarding write
operation, Accelaration mode can not be performed during Hidden ROM Mode. To protect the hidden ROM area,
use the block protection function. The operation of Block Protect here is the same as a normal Block Protect
except that V
released, even using the temporary block unprotection function. Use Block Protect carefully. Note that in Hidden
ROM Mode, simultaneous operation cannot be performed. Therefore, do not attempt to access areas other than
the hidden ROM area.
Mode.
HIDDEN ROM AREA ADDRESS TABLE
TC58FVT321
TC58FVB321
The TC58FVT321/B321 features a 64-Kbyte hidden ROM area which is separate from the memory cells. The
The hidden ROM area is located in the address space indicated in the HIDDEN ROM AREA ADDRESS
To exit Hidden ROM Mode, use the Hidden ROM Mode Exit command. This will return the device to Read
TYPE
IH
BOTTOM BOOT BLOCK
rather than V
TOP BOOT BLOCK
ARCHITECTURE
BOOT BLOCK
ID
is input to RESET . Once the block has been protected, protection cannot be
3F0000H~3FFFFFH
000000H~00FFFFH
ADDRESS RANGE
BYTE MODE
TC58FVT321/B321FT/XB-70,-10
64 Kbytes
64 Kbytes
SIZE
1F8000H~1FFFFFH
000000H~007FFFH
ADDRESS RANGE
WORD MODE
2002-08-06 13/48
32 Kwords
32 Kwords
SIZE