M25PE40 参数 Datasheet PDF下载

DC and AC parameters

M25PE40

8. When using PP and PW instructions to update consecutive bytes, optimized timings are obtained with one sequence

including all the bytes versus several sequences of only a few bytes (1

≤

n

≤

256).

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

tSHSL

S

tCHSL

C

tDVCH

tCHDX

D

MSB IN

tCLCH

LSB IN

tCHCL

tSLCH

tCHSH

tSHCH

Q

High Impedance

AI01447C

Figure 27. Top Sector Lock (T7X process) or Write Protect (T9HX process) setup and hold

timing

TSL

or

W

tTHSL

tWHSL

S

tSHTL

tSHWL

C

D

High Impedance

Q

AI3559

1. For the differences between devices produced in the two processes, see

52/62