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25A512
TABLE 1-2:
AC CHARACTERISTICS
AC CHARACTERISTICS
Industrial (I):
T A = -40°C to +85°C
V CC = 1.7V to 3.0V
Param.
No.
1
2
3
4
5
Sym.
F CLK
T CSS
T CSH
T CSD
Tsu
Characteristic
Clock frequency
CS setup time
CS hold time
CS disable time
Data setup time
Min.
—
—
50
250
100
500
50
10
Max.
10
2
—
—
—
—
—
—
Units
MHz
MHz
ns
ns
ns
ns
ns
ns
Conditions
2.0V ? V CC < 3.0V
1.7V ? V CC < 2.0V
2.0V ? V CC < 3.0V
1.7V ? V CC < 2.0V
2.0V ? V CC < 3.0V (Note 3)
1.7V ? V CC < 2.0V (Note 3)
—
2.0V ? V CC < 3.0V
50
—
ns
1.7V ? V CC < 2.0V
6
7
8
9
T HD
T R
T F
T HI
Data hold time
CLK rise time
CLK fall time
Clock high time
20
100
—
—
50
—
—
20
20
—
ns
ns
ns
ns
ns
2.0V ? V CC < 3.0V
1.7V ? V CC < 2.0V
(Note 1)
(Note 1)
2.0V ? V CC < 3.0V
250
—
ns
1.7V ? V CC < 2.0V
10
11
12
13
14
15
T LO
T CLD
T CLE
T V
T HO
T DIS
Clock low time
Clock delay time
Clock enable time
Output valid from clock
low
Output hold time
Output disable time
50
250
50
50
—
—
0
—
—
—
—
—
50
250
—
50
ns
ns
ns
ns
ns
ns
ns
ns
2.0V ? V CC < 3.0V
1.7V ? V CC < 2.0V
—
—
2.0V ? V CC < 3.0V
1.7V ? V CC < 2.0V
(Note 1)
2.0V ? V CC < 3.0V (Note 1)
—
250
ns
1.7V ? V CC < 2.0V (Note 1)
16
17
18
19
20
T HS
T HH
T HZ
T HV
T REL
HOLD setup time
HOLD hold time
HOLD low to output
High-Z
HOLD high to output
valid
CS High to Standby
20
100
20
100
30
150
30
150
—
—
—
—
—
—
—
—
—
100
ns
ns
ns
ns
ns
ns
ns
ns
? s
2.0V ? V CC < 3.0V
1.7V ? V CC < 2.0V
2.0V ? V CC < 3.0V
1.7V ? V CC < 2.0V
2.0V ? V CC < 3.0V (Note 1)
1.7V ? V CC < 2.0V (Note 1)
2.0V ? V CC < 3.0V
1.7V ? V CC < 2.0V
mode
21
T PD
CS High to Deep power-
—
100
? s
down
22
23
T CE
T SE
Chip erase cycle time
Sector erase cycle time
—
—
10
10
ms
ms
24
T WC
Internal write cycle time
—
5
ms
Page mode and Page Erase
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 Microchip’s web site at www.microchip.com.
3: Includes T HI time.
? 2010-2011 Microchip Technology Inc.
Preliminary
DS22237C-page 3
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