25C256 CatalystSemiconductor, 25C256 Datasheet - Page 4

• Manufacturer Part Number: 25C256
• Description: 128K/256K-BitSPISerialCMOSE2PROM
• Manufacturer: CatalystSemiconductor

Doc. No. 25088-00 1/01
A.C. CHARACTERISTICS (CAT25C256)
SYMBOL PARAMETER
t
t
t
t
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
NOTE:
(1) This parameter is tested initially and after a design or process change that affects the parameter.
SU
H
WH
WL
SCK
LZ
RI
FI
HD
CD
WC
V
HO
DIS
HZ
CS
CSS
CSH
WPS
WPH
(1)
(1)
Data Setup Time
Data Hold Time
SCK High Time
SCK Low Time
Clock Frequency
HOLD to Output Low Z
Input Rise Time
Input Fall Time
HOLD Setup Time
HOLD Hold Time
Write Cycle Time
Output Valid from Clock Low
Output Hold Time
Output Disable Time
HOLD to Output High Z
CS High Time
CS Setup Time
CS Hold Time
WP Setup Time
WP Hold Time
100
100
100
250
250
Min. Max. Min.
2500
500
500
2500
DC
50
50
0
1.8V-6.0V
Vcc=
100
250
250
150
0.2
10
2
2
100
100
100
100
250
100
100
100
250
DC
2.5V-6.0V
4
0
50
50
V
CC
=
200
100
Limits
Max. Min. Max. Min. Max. UNITS
200
10
2.0
50
2
2
200
200
100
100
100
100
100
2.7V-6.0V
DC
70
70
50
50
0
V
CC
200
200
100
=
2.5
10
50
2
2
100
100
100
DC
50
4.5V-5.5V
35
35
80
80
40
40
50
0
V
CC
=
100
50
50
80
5
2
2
5
MHz
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s
s
Conditions
C
L
Test
= 50pF