M25PE40 Numonyx, B.V., M25PE40 Datasheet - Page 52

• Manufacturer Part Number: M25PE40
• Description: 4 Mbit, page-erasable serial Flash memory with byte alterability, 75 MHz SPI bus, standard pinout
• Manufacturer: Numonyx, B.V.

DC and AC parameters
8. When using PP and PW instructions to update consecutive bytes, optimized timings are obtained with one sequence
9. int(A) corresponds to the upper integer part of A. For instance, int(12/8) = 2, int(32/8) = 4 int(15.3) =16.
Figure 26. Serial input timing
Figure 27. Top Sector Lock (T7X process) or Write Protect (T9HX process) setup and hold
1. For the differences between devices produced in the two processes, see
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TSL
including all the bytes versus several sequences of only a few bytes (1 ≤ n ≤ 256).
W
Q
C
D
S
or
S
C
D
Q
timing
tCHSL
tTHSL
tWHSL
tDVCH
High Impedance
High Impedance
MSB IN
tSLCH
tCHDX
tCLCH
tCHSH
Important note on page
LSB IN
tCHCL
tSHSL
tSHCH
6.
tSHWL
tSHTL
AI01447C
M25PE40
AI3559