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25AA512 Datasheet(PDF) 3 Page - Microchip Technology

Part # 25AA512
Description  512 Kbit SPI Bus Serial EEPROM
PDF  36 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

25AA512 Datasheet(HTML) 3 Page - Microchip Technology

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 2010 Microchip Technology Inc.
DS22021F-page 3
25AA512
TABLE 1-2:
AC CHARACTERISTICS
AC CHARACTERISTICS
Industrial (I)*:
TA = 0°C to +85°C
VCC = 1.8V to 5.5V
Industrial (I):
TA = -40°C to +85°C
VCC = 2.0V to 5.5V
*Limited industrial temp range.
Param.
No.
Sym.
Characteristic
Min.
Max.
Units
Conditions
1FCLK
Clock frequency
—
—
—
20
10
2
MHz
MHz
MHz
4.5
VCC 5.5
2.5
VCC 5.5
1.8
 VCC <2.5 at 0°C to +85°C
2.0
 VCC <2.5 at -40°C to +85°C
2TCSS
CS setup time
25
50
250
—
—
—
ns
ns
ns
4.5
VCC 5.5
2.5
VCC 5.5
1.8
 VCC <2.5 at 0°C to +85°C
2.0
 VCC <2.5 at -40°C to +85°C
3TCSH
CS hold time
50
100
500
—
—
—
ns
ns
ns
4.5
VCC 5.5
2.5
VCC 5.5
1.8
 VCC <2.5 at 0°C to +85°C
2.0
 VCC <2.5 at -40°C to +85°C
(Note 3)
4TCSD
CS disable time
50
—
ns
—
5
Tsu
Data setup time
5
10
50
—
—
—
ns
ns
ns
4.5
VCC 5.5
2.5
VCC 5.5
1.8
 VCC <2.5 at 0°C to +85°C
2.0
 VCC <2.5 at -40°C to +85°C
6THD
Data hold time
10
20
100
—
—
—
ns
ns
ns
4.5
VCC 5.5
2.5
VCC 5.5
1.8
 VCC <2.5 at 0°C to +85°C
2.0
 VCC <2.5 at -40°C to +85°C
7TR
CLK rise time
—
20
ns
(Note 1)
8TF
CLK fall time
—
20
ns
(Note 1)
9THI
Clock high time
25
50
250
—
—
—
ns
ns
ns
4.5
VCC 5.5
2.5
VCC 5.5
1.8
 VCC <2.5 at 0°C to +85°C
2.0
 VCC <2.5 at -40°C to +85°C
10
TLO
Clock low time
25
50
250
—
—
ns
ns
ns
4.5
VCC 5.5
2.5
VCC 5.5
1.8
 VCC <2.5 at 0°C to +85°C
2.0
 VCC <2.5 at -40°C to +85°C
11
TCLD
Clock delay time
50
—
ns
—
12
TCLE
Clock enable time
50
—
ns
—
13
TV
Output valid from clock
low
—
—
—
25
50
250
ns
ns
ns
4.5
VCC 5.5
2.8
VCC 5.5
1.8
 VCC <2.5 at 0°C to +85°C
2.0
 VCC <2.5 at -40°C to +85°C
14
THO
Output hold time
0
—
ns
(Note 1)
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 THI time.



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