AT45DB642D_14 Datasheet, PDF (38/57 Pages) List of Unclassifed Manufacturers – 64-megabit 2.7V Dual-interface DataFlash

21.2
Note:
Waveform 2 – SPI Mode 3 Compatible (for Frequencies up to 66MHz)
t_CS
CS
SCK/CLK
t_CSS
t_WL
t_WH
t_CSH
t_V
HIGH Z
SO
t_HO
VALID OUT
t_DIS
HIGH IMPEDANCE
t_SU
t_H
SI
VALID IN
To operate the device at 50MHz in SPI mode, the combined CPU setup time and rise/fall time should be less than 2ns
21.3 Waveform 3 – RapidS Mode 0 (F_MAX = 66MHz)
CS
SCK/CLK
SO
SI
t_CSS
t_WH
t_WL
t_V
HIGH IMPEDANCE
t_SU
t_H
VALID IN
t_CSH
t_HO
VALID OUT
21.4 Waveform 4 – RapidS Mode 3 (F_MAX = 66MHz)
CS
SCK/CLK
SO
SI
t_CSS
t_WL
t_WH
t_V
HIGH Z
t_SU
t_HO
VALID OUT
t_H
VALID IN
t_CSH
21.5 Waveform 5 – Rapid8 Mode 0 (F_MAX = 50MHz)
CS
SCK/CLK
t_CSS
t_WH
t_WL
t_CSH
I/O7 - I/O0
(OUTPUT)
I/O7 - I/O0
(INPUT)
t_V
HIGH IMPEDANCE
t_SU
t_H
VALID IN
t_HO
VALID OUT
38 AT45DB642D
t_CS
t_DIS
HIGH IMPEDANCE
t_CS
t_DIS
HIGH IMPEDANCE
t_CS
t_DIS
HIGH IMPEDANCE
3542N–DFLASH–2/2014