M25PE20 Numonyx, B.V., M25PE20 Datasheet - Page 20

• Manufacturer Part Number: M25PE20
• Description: 1 and 2 Mbit, page-erasable serial Flash memories with byte alterability, 75 MHz SPI bus, standard pinout
• Manufacturer: Numonyx, B.V.

Memory organization
20/64
Figure 7.
1. These features (in gray) are only available in the T7X process.
TSL or W
Reset
Q
C
D
S
M25PE10 block diagram
Address Register
Control Logic
and Counter
FFFFh
1FF00h
00000h
I/O Shift Register
256 bytes (page size)
High Voltage
Generator
X Decoder
Data Buffer
256 byte
1FFFFh
000FFh
M25PE20, M25PE10
The whole memory array
Top 256 pages can
be made read-only
by using the TSL pin
can be made read-only
on a 64-Kbyte basis
through the Lock
Register
Registers
Status
AI13295b
(1)