25LC040P Datasheet, PDF (3/22 Pages) Microchip Technology – 4K SPI Bus Serial EEPROM

25AA040/25LC040/25C040
TABLE 1-2: AC CHARACTERISTICS
AC CHARACTERISTICS
Industrial (I): TA = -40°C to +85°C
Automotive (E): TA = -40°C to +125°C
VCC = 1.8V to 5.5V
VCC = 4.5V to 5.5V (25C040 only)
Param
No.
Sym.
Characteristic
Min.
Max. Units
Test Conditions
1
FCLK Clock Frequency
—
3
MHz VCC = 4.5V to 5.5V
—
2
MHz VCC = 2.5V to 4.5V
—
1
MHz VCC = 1.8V to 2.5V
2
TCSS CS Setup Time
100
—
ns VCC = 4.5V to 5.5V
250
—
ns VCC = 2.5V to 4.5V
500
—
ns VCC = 1.8V to 2.5V
3
TCSH CS Hold Time
150
—
ns VCC = 4.5V to 5.5V
250
—
ns VCC = 2.5V to 4.5V
475
—
ns VCC = 1.8V to 2.5V
4
TCSD CS Disable Time
500
—
ns —
5
TSU
Data Setup Time
30
—
ns VCC = 4.5V to 5.5V
50
—
ns VCC = 2.5V to 4.5V
50
—
ns VCC = 1.8V to 2.5V
6
THD
Data Hold Time
50
—
ns VCC = 4.5V to 5.5V
100
—
ns VCC = 2.5V to 4.5V
100
—
ns VCC = 1.8V to 2.5V
7
TR
CLK Rise Time
—
2
μs (Note 1)
8
TF
CLK Fall Time
—
2
μs (Note 1)
9
THI
Clock High Time
150
—
ns VCC = 4.5V to 5.5V
230
—
ns VCC = 2.5V to 4.5V
475
—
ns VCC = 1.8V to 2.5V
10
TLO
Clock Low Time
150
—
ns VCC = 4.5V to 5.5V
230
—
ns VCC = 2.5V to 4.5V
475
—
ns VCC = 1.8V to 2.5V
11
TCLD Clock Delay Time
50
—
ns —
12
TCLE Clock Enable Time
50
—
ns —
13
TV
Output Valid from Clock Low
—
—
—
150
ns VCC = 4.5V to 5.5V
230
ns VCC = 2.5V to 4.5V
475
ns VCC = 1.8V to 2.5V
14
THO
Output Hold Time
0
—
ns (Note 1)
15
TDIS Output Disable Time
—
200
ns VCC = 4.5V to 5.5V (Note 1)
—
250
ns VCC = 2.5V to 4.5V (Note 1)
—
500
ns VCC = 1.8V to 2.5V (Note 1)
16
THS
HOLD Setup Time
100
—
ns VCC = 4.5V to 5.5V
100
—
ns VCC = 2.5V to 4.5V
200
—
ns VCC = 1.8V to 2.5V
17
THH
HOLD Hold Time
100
—
ns VCC = 4.5V to 5.5V
100
—
ns VCC = 2.5V to 4.5V
200
—
ns VCC = 1.8V to 2.5V
18
THZ
HOLD Low to Output High-Z
100
150
200
—
ns VCC = 4.5V to 5.5V (Note 1)
—
ns VCC = 2.5V to 4.5V (Note 1)
—
ns VCC = 1.8V to 2.5V (Note 1)
19
THV
HOLD High to Output Valid
100
150
200
—
ns VCC = 4.5V to 5.5V
—
ns VCC = 2.5V to 4.5V
—
ns VCC = 1.8V to 2.5V
20
TWC
Internal Write Cycle Time
—
5
ms —
21
—
Endurance
1M
—
E/W (Note 2)
Cycles
Note 1: This parameter is periodically sampled and not 100% tested.
2: This parameter is not tested but ensured by characterization. For endurance estimates in a specific application, please
consult the Total Endurance™ Model which can be obtained from our web site: www.microchip.com.
© 2006 Microchip Technology Inc.
DS21204E-page 3