X76F128 Datasheet, PDF (13/17 Pages) Xicor Inc. – Secure SerialFlash

X76F128
CS Timing Diagram (Selecting/Deselecting the Part)
SCL
CS
from
master
t_SU:CS
RST Timing Diagram – Response to a Synchronous Reset
t_SR
CS
RST
t_NOL
CLK
I/O
t_RST
1st
clk
pulse
t_RDV
t_NOL
t_SU:RST
t_{HIGH_RST}
2nd
clk
pulse
t_CDV
DATA BIT (1)
t_HD:CS
t_{LOW_RST}
3rd
clk
pulse
DATA BIT (2)
7052 FM 20
CS
RST
CLK
I/O
DATA BIT (N)
DATA BIT (N+1)
t_DHZ
(N+2)
GUIDELINES FOR CALCULATING TYPICAL VALUES OF BUS PULL UP RESISTORS
100
80
60
R_MAX
40
20 _RMIN
20 40 60 80 100
Bus capacitance in pF
RMIN = ^V---_I---OC----CL----MM-----IA-N---X--- = 1.8KΩ
RMAX = -_C----_B-^t---^R-_U-----_S--
t_R = maximum allowable SDA rise time
13
7052 FM 21
7052 FM 22