
SA25C1024 Data Sheet
SAIFUN
8
AC Test Conditions
0.7Vcc
0.2Vcc
0.8Vcc
0.3Vcc
Input Levels
Input and Output
Timing Reference Levels
Figure 3. AC Measurements I/O Waveform
Table 3. AC Measurements
Symbol
Parameter
Min
Max
Unit
C
L
Load Capacitance
30
PF
Input Rise and Fall Times
5
NS
Input Pulse Voltage
0.2 V
CC
to 0.8 V
CC
V
Input and Output Timing
Reference Voltages
0.3 V
CC
to 0.7 V
CC
V
Table 4. AC Characteristics
10 MHz
Symbol
Parameter
Min
Typ
Max
Unit
F
SCK
t
WH
t
WL
t
CS
t
CSS
t
CSH
t
HD
t
CD
t
V
t
HO
t
HD:DAT
t
SU:DAT
t
R
t
F
t
LZ
t
HZ
t
DIS
t
WC
*
Endurance
SCK Clock Frequency
10
MHz
SCK High Time
40
ns
SCK Low Time
40
ns
CSb High Time
50
ns
CSb Setup Time
50
ns
CSb HOLD Time
50
ns
HOLD Time
25
ns
HOLDB HOLD Time
25
ns
Output Valid
0
40
ns
Output HOLD Time
0
ns
Data in HOLD Time
15
ns
Data in Setup Time
12
ns
Input Rise Time
2
ns
Input Fall Time
2
ns
HOLDb to Output Low Z
100
ns
HOLDb to Output High Z
100
ns
Output Disable Time
100
ns
128-byte Page
8
ms
100K
Write cycles
* 128 bytes in the checkerboard programming formation; a maximum of 50% of the array is
programmed.