N25Q128 Numonyx, N25Q128 Datasheet - Page 52

• Manufacturer Part Number: N25Q128
• Description: 128-mbit 3 V, Multiple I/o, 4-kbyte Subsector Erase On Boot Sectors, Xip Enabled, Serial Flash Memory With 108 Mhz Spi Bus Interface
• Manufacturer: Numonyx

8
52/180
HOLD
W/V
DQ0
DQ2
DQ1
DQ3
PP
C
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, Subsector
Erase is allowed on the 8 boot sectors (for devices with bottom or top architecture).
Figure 9.
16,777,216 bytes (8 bits each)
256 sectors (64 Kbytes each)
In Bottom and Top versions: 8 bottom (top) 64 Kbytes boot sectors with 16 subsectors
(4 Kbytes) and 248 standard 64 KB sectors
65,536 pages (256 bytes each)
64 OTP bytes located outside the main memory array
Address Register
Control Logic
and Counter
Block diagram
00000h
I/O Shift Register
256 bytes (page size)
High Voltage
Generator
X Decoder
Data Buffer
256 Byte
FFFFFFh
000FFh
64 OTP bytes
Register
Status
AI13722a