X25F064/032/016/008
EQUIVALENT A.C. LOAD CIRCUIT
A.C. TEST CONDITIONS
InputPulseLevels
V
CC
x0.1toV x0.9
CC
2.7V
5V
InputRiseandFallTimes
InputandOutputTimingLevel
10ns
1.64KΩ
OUTPUT
4.63KΩ
1.44KΩ
OUTPUT
1.95KΩ
V
CC
x0.5
6685 PGM T11
100pF
100pF
6685 ILL F09.3
A.C. CHARACTERISTICS (Over recommended operating conditions, unless otherwise specified)
Data Input Timing
Symbol
Parameter
Clock Frequency
Cycle Time
Min.
0
Max.
Units
MHz
ns
f
t
t
t
t
t
t
t
t
t
t
t
t
t
1
SCK
CYC
LEAD
LAG
WH
WL
1000
500
500
400
400
100
100
CS Lead Time
CS Lag Time
ns
ns
Clock HIGH Time
Clock LOW Time
Data Setup Time
Data Hold Time
Data In Rise Time
Data In Fall Time
HOLD Setup Time
HOLD Hold Time
CS Deselect Time
Program Cycle Time
ns
ns
ns
SU
ns
H
(4)
2
2
µs
RI
(4)
FI
µs
200
200
2
ns
HD
CD
CS
ns
µs
(5)
10
ms
6685 PGM T12.3
PC
Data Output Timing
Symbol
Parameter
Min.
Max.
Units
f
t
t
t
t
t
t
t
Clock Frequency
0
1
MHz
ns
SCK
DIS
V
Output Disable Time
500
400
Output Valid from Clock LOW
Output Hold Time
ns
0
ns
HO
(4)
Output Rise Time
300
300
ns
RO
(4)
Output Fall Time
ns
FO
(4)
HOLD HIGH to Output in Low Z
HOLD LOW to Output in High Z
100
100
ns
LZ
(4)
ns
HZ
6685 PGM T13.2
Notes: (4) This parameter is periodically sampled and not 100% tested.
(5) 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 program cycle.
9
XICOR [ XICOR INC. ]
