X25642
EQUIVALENT A.C. LOAD CIRCUIT
5V
1.44KΩ
OUTPUT
1.95KΩ
100pF
1.64KΩ
OUTPUT
4.63KΩ
100pF
3V
A.C. CONDITIONS OF TEST
Input Pulse Levels
Input Rise and Fall Times
Input and OutputTiming Levels
V
CC
x 0.1 to V
CC
x 0.9
10ns
V
CC
X 0.5
7037 FRM T11
3132 ILL F09.2
A.C. OPERATING CHARACTERISTICS
Data Input Timing
Symbol
f
SCK
t
CYC
t
LEAD
t
LAG
t
WH
t
WL
t
SU
t
H
t
RI(4)
t
FI(4)
t
HD
t
CD
t
CS
t
WC(5)
Parameter
Clock Frequency
Cycle Time
CS Lead Time
CS Lag Time
Clock HIGH Time
Clock LOW Time
Data Setup Time
Data Hold Time
Data In Rise Time
Data In Fall Time
Min.
0
500
250
250
200
200
50
50
Max.
2
Units
MHz
ns
ns
ns
ns
ns
ns
ns
2
2
100
100
2.0
10
µs
µs
ns
ns
µs
ms
7037 FRM T12
HOLD
Setup Time
HOLD
Hold Time
CS
Deselect Time
Write Cycle Time
Data Output Timing
Symbol
f
SCK
t
DIS
t
V
t
HO
t
RO(4)
t
FO(4)
t
LZ(4)
t
HZ(4)
Parameter
Clock Frequency
Output Disable Time
Output Valid from Clock LOW
Output Hold Time
Output Rise Time
Output Fall Time
Min.
0
Max.
2
250
200
Units
MHz
ns
ns
ns
ns
ns
ns
ns
7037 FRM T13
0
100
100
100
100
HOLD
HIGH to Output in Low Z
HOLD
LOW to Output in High Z
Notes:
(4) This parameter is periodically sampled and not 100% tested.
(5) t
WC
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 nonvolatile
write cycle.
9
ICMIC [ IC MICROSYSTEMS ]
