M25PE20 Numonyx, B.V., M25PE20 Datasheet - Page 19

• 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.

M25PE20, M25PE10
Figure 6.
1. These features (in gray) are only available in the T7X process.
TSL or W
Reset
Q
C
D
S
M25PE20 block diagram
Address Register
Control Logic
and Counter
2FFFFh
3FF00h
00000h
I/O Shift Register
256 bytes (page size)
High Voltage
Generator
X Decoder
Data Buffer
256 byte
3FFFFh
000FFh
Memory organization
The whole memory array
can be made read-only
Top 256 pages can
be made read-only
by using the TSL pin
on a 64-Kbyte basis
through the Lock
Register
Status
Registers
AI3294b
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