Datasheet
1997-2012 Microchip Technology Inc. DS21231E-page 3
25AA160/25LC160/25C160
1.2 AC Characteristics
AC CHARACTERISTICS
Industrial (I): T
A = -40°C to +85°C VCC = 1.8V to 5.5V
Automotive (E): T
A = -40°C to +125°C VCC = 4.5V to 5.5V (25C160 only)
Param.
No.
Sym. Characteristic Min. Max. Units Conditions
1F
CLK Clock Frequency —
—
—
3
2
1
MHz
MHz
MHz
VCC = 4.5V to 5.5V
V
CC = 2.5V to 4.5V
V
CC = 1.8V to 2.5V
2T
CSS CS Setup Time 100
250
500
—
—
—
ns
ns
ns
VCC = 4.5V to 5.5V
V
CC = 2.5V to 4.5V
V
CC = 1.8V to 2.5V
3T
CSH CS Hold Time 150
250
475
—
—
—
ns
ns
ns
VCC = 4.5V to 5.5V
V
CC = 2.5V to 4.5V
V
CC = 1.8V to 2.5V
4T
CSD CS Disable Time 500 — ns —
5T
SU Data Setup Time 30
50
50
—
—
—
ns
ns
ns
VCC = 4.5V to 5.5V
V
CC = 2.5V to 4.5V
V
CC = 1.8V to 2.5V
6T
HD Data Hold Time 50
100
100
—
—
—
ns
ns
ns
VCC = 4.5V to 5.5V
V
CC = 2.5V to 4.5V
V
CC = 1.8V to 2.5V
7T
R CLK Rise Time — 2 s (Note 1)
8T
F CLK Fall Time — 2 s (Note 1)
9T
HI Clock High Time 150
230
475
—
—
—
ns
ns
ns
VCC = 4.5V to 5.5V
V
CC = 2.5V to 4.5V
V
CC = 1.8V to 2.5V
10 T
LO Clock Low Time 150
230
475
—
—
—
ns
ns
ns
VCC = 4.5V to 5.5V
V
CC = 2.5V to 4.5V
V
CC = 1.8V to 2.5V
11 T
CLD Clock Delay Time 50 — ns —
12 T
CLE Clock Enable Time 50 — ns —
13 T
V Output Valid from Clock
Low
—
—
—
150
230
475
ns
ns
ns
VCC = 4.5V to 5.5V
V
CC = 2.5V to 4.5V
V
CC = 1.8V to 2.5V
14 T
HO Output Hold Time 0 — ns (Note 1)
15 T
DIS Output Disable Time —
—
—
200
250
500
ns
ns
ns
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)
16 T
HS HOLD Setup Time 100
100
200
—
—
—
ns
ns
ns
VCC = 4.5V to 5.5V
V
CC = 2.5V to 4.5V
V
CC = 1.8V to 2.5V
17 T
HH HOLD Hold Time 100
100
200
—
—
—
ns
ns
ns
VCC = 4.5V to 5.5V
V
CC = 2.5V to 4.5V
V
CC = 1.8V to 2.5V
18 T
HZ HOLD Low to Output High-
Z
100
150
200
—
—
—
ns
ns
ns
VCC = 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)
19 T
HV HOLD High to Output Valid 100
150
200
—
—
—
ns
ns
ns
VCC = 4.5V to 5.5V
V
CC = 2.5V to 4.5V
V
CC = 1.8V to 2.5V
20 T
WC Internal Write Cycle Time — 5 ms —
21 — Endurance 1 M — E/W
Cycles
(Note 2)
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 Microchip’s web site at: www.microchip.com.