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25LC040 Datasheet

  • 25LC040

  • 4K SPI Bus Serial EEPROM

  • 589.69KB

  • 22页

  • Microchip   Microchip

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25AA040/25LC040/25C040
TABLE 1-3:
AC CHARACTERISTICS
Commercial (C):
Industrial (I):
Automotive (E):
Symbol
F
CLK
Tamb = 0
掳
C to +70
掳
C
Tamb = -40
掳
C to +85
掳
C
Tamb = -40掳C to +125掳C
Min
鈥?/div>
鈥?/div>
鈥?/div>
100
250
500
150
250
475
500
30
50
50
50
100
100
鈥?/div>
鈥?/div>
150
250
475
150
250
475
50
50
鈥?/div>
鈥?/div>
鈥?/div>
0
鈥?/div>
鈥?/div>
鈥?/div>
100
100
200
100
100
200
100
150
200
100
150
200
鈥?/div>
10M
Max
3
2
1
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
2
2
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
150
250
475
鈥?/div>
200
250
500
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
5
鈥?/div>
V
CC
= 1.8V to 5.5V
V
CC
= 1.8V to 5.5V
V
CC
= 4.5V to 5.5V (25C040 only)
Units
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
碌s
碌s
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
E/W Cycles
(Note 2)
V
CC
= 4.5V to 5.5V
V
CC
= 2.5V to 4.5V
V
CC
= 1.8V to 2.5V
(Note 1)
V
CC
= 4.5V to 5.5V (Note 1)
V
CC
= 2.5V to 4.5V (Note 1)
V
CC
= 1.8V to 2.5V (Note 1)
V
CC
= 4.5V to 5.5V
V
CC
= 2.5V to 4.5V
V
CC
= 1.8V to 2.5V
V
CC
= 4.5V to 5.5V
V
CC
= 2.5V to 4.5V
V
CC
= 1.8V to 2.5V
V
CC
= 4.5V to 5.5V (Note 1)
V
CC
= 2.5V to 4.5V (Note 1)
V
CC
= 1.8V to 2.5V (Note 1)
V
CC
= 4.5V to 5.5V
V
CC
= 2.5V to 4.5V
V
CC
= 1.8V to 2.5V
V
CC
= 4.5V to 5.5V
V
CC
= 2.5V to 4.5V
V
CC
= 1.8V to 2.5V
V
CC
= 4.5V to 5.5V
V
CC
= 2.5V to 4.5V
V
CC
= 1.8V to 2.5V
(Note 1)
(Note 1)
V
CC
= 4.5V to 5.5V
V
CC
= 2.5V to 4.5V
V
CC
= 1.8V to 2.5V
V
CC
= 4.5V to 5.5V
V
CC
= 2.5V to 4.5V
V
CC
= 1.8V to 2.5V
Test Conditions
V
CC
= 4.5V to 5.5V
V
CC
= 2.5V to 4.5V
V
CC
= 1.8V to 2.5V
V
CC
= 4.5V to 5.5V
V
CC
= 2.5V to 4.5V
V
CC
= 1.8V to 2.5V
V
CC
= 4.5V to 5.5V
V
CC
= 2.5V to 4.5V
V
CC
= 1.8V to 2.5V
All parameters apply over the
speci铿乪d operating ranges
unless otherwise noted.
Parameter
Clock Frequency
CS Setup Time
T
CSS
CS Hold Time
T
CSH
CS Disable Time
Data Setup Time
T
CSD
T
SU
Data Hold Time
T
HD
CLK Rise Time
CLK Fall Time
Clock High Time
T
R
T
F
T
HI
Clock Low Time
T
LO
Clock Delay Time
Clock Enable Time
Output Valid from
Clock Low
Output Hold Time
Output Disable Time
T
CLD
T
CLE
T
V
T
HO
T
DIS
HOLD Setup Time
T
HS
HOLD Hold Time
T
HH
HOLD Low to Output High-Z
T
HZ
HOLD High to Output Valid
T
HV
Internal Write Cycle Time
Endurance
Note 1:
2:
T
WC
鈥?/div>
This parameter is periodically sampled and not 100% tested.
This parameter is not tested but guaranteed by characterization. For endurance estimates in a speci铿乧 application, please
consult the Total Endurance Model which can be obtained on Microchip鈥檚 BBS or website.
漏
1997 Microchip Technology Inc.
Preliminary
DS21204A-page 3

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