M25P20-VMN6PB NUMONYX, M25P20-VMN6PB Datasheet - Page 15

• Manufacturer Part Number: M25P20-VMN6PB
• Description: Flash Mem Serial-SPI 3.3V 2M-Bit 256K x 8 8ns 8-Pin SO N Tray
• Manufacturer: NUMONYX

Specifications of M25P20-VMN6PB

• Package: 8SO N
• Cell Type: NOR
• Density: 2 Mb
• Architecture: Sectored
• Block Organization: Symmetrical
• Typical Operating Supply Voltage: 3.3 V
• Sector Size: 64KByte x 4
• Timing Type: Synchronous
• Operating Temperature: -40 to 85 °C
• Interface Type: Serial-SPI

5
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.
Table 3.
Figure 6.
HOLD
W
S
C
D
Q
262,144 bytes (8 bits each)
4 sectors (512 Kbits, 65536 bytes each)
1024 pages (256 bytes each).
Sector
3
2
1
0
Memory Organization
Block Diagram
Address Register
Control Logic
and Counter
30000h
20000h
10000h
00000h
30000h
20000h
10000h
00000h
I/O Shift Register
256 Bytes (Page Size)
High Voltage
Generator
X Decoder
Data Buffer
Address Range
256 Byte
3FFFFh
000FFh
3FFFFh
2FFFFh
1FFFFh
0FFFFh
Register
Status
memory area
Size of the
read-only
AI04079
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