M25P128 Numonyx, B.V., M25P128 Datasheet - Page 16

• Manufacturer Part Number: M25P128
• Description: 128 Mbit (Multilevel), low-voltage, Serial Flash memory with 50-MHz SPI bus interface
• Manufacturer: Numonyx, B.V.

Memory organization
5
Figure 7.
16/45
HOLD
W/V
Q
PP
C
D
S
Memory organization
The memory is organized as:
●
●
●
Each page can be individually programmed (bits are programmed from 1 to 0). The device is
Sector or Bulk Erasable (bits are erased from 0 to 1) but not Page Erasable.
Block diagram
Address Register
16777216 bytes (8 bits each)
64 sectors (2 Mbits, 262144 bytes each)
65536 pages (256 bytes each).
Control Logic
and Counter
00000h
I/O Shift Register
256 Bytes (Page Size)
High Voltage
Generator
X Decoder
Data Buffer
256 Byte
FFFFFFh
000FFh
Register
Status
memory area
Size of the
read-only
AI11316b
M25P128