M25PX32
5
Memory organization
Memory organization
The memory is organized as:
● 4 194 304 bytes (8 bits each)
● 1024 subsectors (4 Kbytes each)
● 64 sectors (64 Kbytes each)
● 16384 pages (256 bytes each)
● 64 OTP bytes located outside the main memory array
Each page can be individually programmed (bits are programmed from 1 to 0). The device is
Subsector, Sector or Bulk Erasable (bits are erased from 0 to 1) but not Page Erasable.
Figure 7. Block diagram
HOLD
VPP
S
C
DQ0
DQ1
Control Logic
High Voltage
Generator
I/O Shift Register
64 OTP bytes
Address Register
and Counter
256 Byte
Data Buffer
Status
Register
3FFFFFh
Configurable OTP
area in main
memory array
00000h
000FFh
256 Bytes (Page Size)
X Decoder
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