X5001
Figure 1. EQUIVALENT A.C. LOAD CIRCUIT
A.C.TEST CONDITIONS
3V
5V
V
x 0.1 to V x 0.9
Input Pulse Levels
CC
CC
Input Rise and Fall Times
Input and Output Timing Level
10ns
3.3KΩ
1.64KΩ
V
x0.5
CC
OUTPUT
1.64KΩ
RESET
30pF
100pF
A.C. CHARACTERISTICS (Over recommended operating conditions, unless otherwise specified)
Data InputTiming
1.8V–3.6V
2.7V–5.5V
Symbol
Parameter
Clock Frequency
Min.
Max.
Min.
0
Max.
Units
f
0
1
2
MHz
ns
SCK
t
Cycle Time
1000
400
400
400
400
100
100
500
200
200
200
200
50
CYC
t
CS Lead Time
CS Lag Time
ns
LEAD
t
ns
LAG
t
Clock HIGH Time
Clock LOW Time
Data Setup Time
Data Hold Time
Input Rise Time
Input Fall Time
CS Deselect Time
Write Cycle Time
ns
WH
t
ns
WL
t
ns
SU
t
50
ns
H
(3)
t
2
2
2
2
µs
RI
(3)
t
µs
ns
FI
t
250
150
CS
(4)
t
10
10
ms
WC
Data OutputTiming
Symbol
1.8V–3.6V
2.7V–5.5V
Parameter
Min.
Max.
1
Min.
Max.
Units
f
Clock Frequency
0
0
2
MHz
ns
SCK
t
Output Disable Time
Output Valid from Clock Low
Output Hold Time
400
400
200
200
DIS
t
ns
V
t
0
0
ns
HO
(3)
t
Output Rise Time
300
300
150
150
ns
RO
(3)
t
Output Fall Time
ns
FO
Notes: (3) This parameter is periodically sampled and not 100% tested.
(4) t is the time from the rising edge of CS after a valid write sequence has been sent to the end of the self-timed internal
WC
nonvolatile write cycle.
10
XICOR [ XICOR INC. ]
