Microchip Technology 25LC320/SN Memory IC SOIC-8 25LC320/SN Data Sheet
Product codes
25LC320/SN
© 2008 Microchip Technology Inc.
DS21227F-page 3
25AA320/25LC320/25C320
TABLE 1-2:
AC CHARACTERISTICS
AC CHARACTERISTICS
Industrial (I):
T
A
= -40°C to +85°C
V
CC
= 1.8V to 5.5V
Automotive (E):
T
A
= -40°C to +125°C
V
CC
= 2.5V to 5.5V
Param.
No.
Sym.
Characteristic
Min.
Max.
Units
Conditions
1
F
CLK
Clock Frequency
—
—
—
—
—
3
2
1
2
1
MHz
MHz
MHz
MHz
MHz
V
CC
= 4.5V to 5.5V
V
CC
= 2.5V to 5.5V
V
CC
= 1.8V to 5.5V
2
T
CSS
CS Setup Time
100
250
500
250
500
—
—
—
—
—
ns
ns
ns
ns
ns
V
CC
= 4.5V to 5.5V
V
CC
= 2.5V to 5.5V
V
CC
= 1.8V to 5.5V
3
T
CSH
CS Hold Time
150
250
475
250
475
—
—
—
—
—
ns
ns
ns
ns
ns
V
CC
= 4.5V to 5.5V
V
CC
= 2.5V to 5.5V
V
CC
= 1.8V to 5.5V
4
T
CSD
CS Disable Time
500
—
ns
—
5
T
SU
Data Setup Time
30
50
50
50
50
—
—
—
—
—
ns
ns
ns
ns
ns
V
CC
= 4.5V to 5.5V
V
CC
= 2.5V to 5.5V
V
CC
= 1.8V to 5.5V
6
T
HD
Data Hold Time
50
100
100
100
—
—
—
—
—
ns
ns
ns
ns
ns
V
CC
= 4.5V to 5.5V
V
CC
= 2.5V to 5.5V
V
CC
= 1.8V to 5.5V
7
T
R
CLK Rise Time
—
2
μ
s
8
T
F
CLK Fall Time
—
2
μ
s
9
T
HI
Clock High Time
150
230
475
230
475
—
—
—
—
—
ns
ns
ns
ns
ns
V
CC
= 4.5V to 5.5V
V
CC
= 2.5V to 5.5V
V
CC
= 1.8V to 5.5V
10
T
LO
Clock Low Time
150
230
475
230
475
—
—
—
—
—
ns
ns
ns
ns
ns
V
CC
= 4.5V to 5.5V
V
CC
= 2.5V to 5.5V
V
CC
= 1.8V to 5.5V
11
T
CLD
Clock Delay Time
50
—
ns
—
12
T
CLE
Clock Enable Time
50
—
ns
—
13
T
V
Output Valid from
Clock Low
Clock Low
—
—
—
—
—
150
230
230
—
ns
ns
ns
ns
ns
V
CC
= 4.5V to 5.5V
V
CC
= 2.5V to 5.5V
V
CC
= 1.8V to 5.5V
14
T
HO
Output Hold Time
0
—
ns
15
T
DIS
Output Disable Time
—
—
—
—
—
200
250
250
—
ns
ns
ns
ns
ns
V
CC
= 4.5V to 5.5V (Note 1)
V
CC
= 2.5V to 5.5V (Note 1)
V
CC
= 1.8V to 5.5V
16
T
HS
HOLD Setup Time
100
100
200
100
200
—
—
—
—
—
ns
ns
ns
ns
ns
V
CC
= 4.5V to 5.5V
V
CC
= 2.5V to 5.5V
V
CC
= 1.8V to 5.5V
17
T
HH
HOLD Hold Time
100
100
200
100
200
—
—
—
—
—
ns
ns
ns
ns
ns
V
CC
= 4.5V to 5.5V
V
CC
= 2.5V to 5.5V
V
CC
= 1.8V to 5.5V
18
T
HZ
HOLD Low to Output
High-Z
High-Z
100
150
200
150
200
—
—
—
—
—
ns
ns
ns
ns
ns
V
CC
= 4.5V to 5.5V (Note 1)
V
CC
= 2.5V to 5.5V (Note 1)
V
CC
= 1.8V to 5.5V
19
T
HV
HOLD High to Output
Valid
Valid
100
150
200
150
200
—
—
—
—
—
ns
ns
ns
ns
ns
V
CC
= 4.5V to 5.5V
V
CC
= 2.5V to 5.5V
V
CC
= 1.8V to 5.5V
20
T
WC
Internal Write Cycle
Time
Time
—
5
ms
—
21
—
Endurance
1M
—
E/W
Cycles
Note
1: This parameter is periodically sampled and not 100% tested.
2: This parameter is not tested but established by characterization. For endurance estimates in a specific application,
please consult the Total Endurance™ Model which can be obtained from Microchip’s web site at: www.microchip.com.