25AA1024/25LC1024
TABLE 1-2:
AC CHARACTERISTICS (CONTINUED)
Industrial (I):
Industrial (I):
Automotive (E):
Characteristic
HOLD low to output
High-Z
Min.
15
30
150
15
30
150
—
—
—
—
—
1M
T
A
= -0°C to +85°C
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
Max.
—
—
—
—
—
—
100
100
10
10
6
—
Units
ns
ns
ns
ns
ns
ns
μs
μs
ms
ms
ms
V
CC
= 1.8V to 5.5V
V
CC
= 2.0V to 5.5V
V
CC
= 2.5V to 5.5V
Conditions
4.5
≤
V
CC
≤
5.5
2.5
≤
V
CC
<
4.5
1.8
≤
V
CC
<
2.5
4.5
≤
V
CC
≤
5.5
2.5
≤
V
CC
<
4.5
1.8
≤
V
CC
<
2.5
V
CC
= 1.8V to 5.5V
V
CC
= 1.8V to 5.5V
V
CC
= 1.8V to 5.5V
V
CC
= 1.8V to 5.5V
Byte or Page mode and Page
Erase
AC CHARACTERISTICS
Param.
No.
18
Sym.
T
HZ
19
T
HV
HOLD high to output valid
20
21
22
23
24
25
T
REL
T
PD
T
CE
T
SE
T
WC
—
CS High to Standby mode
CS High to Deep power-
down
Chip erase cycle time
Sector erase cycle time
Internal write cycle time
Endurance
E/W
Per Page
Cycles
Note 1:
This parameter is periodically sampled and not 100% tested.
2:
This parameter is not tested but established by characterization and qualification. For endurance
estimates in a specific application, please consult the Total Endurance™ Model which can be obtained
from our web site at www.microchip.com.
3:
Includes T
HI
time.
TABLE 1-3:
AC Waveform:
V
LO
= 0.2V
AC TEST CONDITIONS
—
—
0.5 V
CC
0.5 V
CC
V
HI
= V
CC
- 0.2V
V
HI
= 4.0V
C
L
= 30 pF
Timing Measurement Reference Level
Input
Output
Note 1:
For V
CC
≤
4.0V
2:
For V
CC
> 4.0V
DS21836D-page 4
Preliminary
©
2007 Microchip Technology Inc.
MICROCHIP [ MICROCHIP TECHNOLOGY ]
