HY29F800 Hynix Semiconductor, HY29F800 Datasheet - Page 4
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HY29F800
Manufacturer Part Number
HY29F800
Description
8 Megabit (1Mx8/512Kx16), 5 Volt-only, Flash Memory
Manufacturer
Hynix Semiconductor
Datasheet
1.HY29F800.pdf
(40 pages)
Available stocks
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HY29F800
SIGNAL DESCRIPTIONS
MEMORY ARRAY ORGANIZATION
The 1 Mbyte Flash memory array is organized into
nineteen blocks called sectors (S0, S1, . . . , S18).
A sector is the smallest unit that can be erased
and which can be protected to prevent accidental
or unauthorized erasure. See the ‘Bus Operations’
and ‘Command Definitions’ sections of this docu-
ment for additional information on these functions.
In the HY29F800, four of the sectors, which com-
prise the boot block, vary in size from 8 to 32
4
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Kbytes (4 to 16 Kwords), while the remaining fif-
teen sectors are uniformly sized at 64 Kbytes (32
Kwords). The boot block can be located at the
bottom of the address range (HY29F800B) or at
the top of the address range (HY29F800T).
Table 1 defines the sector addresses and corre-
sponding address ranges for the top and bottom
boot block versions of the HY29F800.
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