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25AA320A Datasheet(PDF) 3 Page - Microchip Technology

No. de Pieza. 25AA320A
Descripción  32K SPI Bus Serial EEPROM
Descarga  26 Pages
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Fabricante  MICROCHIP [Microchip Technology]
Página de inicio  http://www.microchip.com
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25AA320A Datasheet(HTML) 3 Page - Microchip Technology

 
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© 2007 Microchip Technology Inc.
DS21828C-page 3
25AA320A/25LC320A
TABLE 1-2:
AC CHARACTERISTICS
AC CHARACTERISTICS
Industrial (I):
TA = -40°C to +85°C
VCC = 1.8V to 5.5V
Automotive (E):
TA = -40°C to +125°C
VCC = 2.5V to 5.5V
Param.
No.
Sym.
Characteristic
Min.
Max.
Units
Test Conditions
1FCLK
Clock Frequency
10
5
3
MHz
MHz
MHz
4.5V
≤ Vcc ≤ 5.5V
2.5V
≤ Vcc < 4.5V
1.8V
≤ Vcc < 2.5V
2TCSS
CS Setup Time
50
100
150
ns
ns
ns
4.5V
≤ Vcc ≤ 5.5V
2.5V
≤ Vcc < 4.5V
1.8V
≤ Vcc < 2.5V
3TCSH
CS Hold Time
100
200
250
ns
ns
ns
4.5V
≤ Vcc ≤ 5.5V
2.5V
≤ Vcc < 4.5V
1.8V
≤ Vcc < 2.5V
4TCSD
CS Disable Time
50
ns
5
Tsu
Data Setup Time
10
20
30
ns
ns
ns
4.5V
≤ Vcc ≤ 5.5V
2.5V
≤ Vcc < 4.5V
1.8V
≤ Vcc < 2.5V
6THD
Data Hold Time
20
40
50
ns
ns
ns
4.5V
≤ Vcc ≤ 5.5V
2.5V
≤ Vcc < 4.5V
1.8V
≤ Vcc < 2.5V
7TR
CLK Rise Time
2
μs
(Note 1)
8TF
CLK Fall Time
2
μs
(Note 1)
9THI
Clock High Time
50
100
150
ns
ns
ns
4.5V
≤ Vcc ≤ 5.5V
2.5V
≤ Vcc < 4.5V
1.8V
≤ Vcc < 2.5V
10
TLO
Clock Low Time
50
100
150
ns
ns
ns
4.5V
≤ Vcc ≤ 5.5V
2.5V
≤ Vcc < 4.5V
1.8V
≤ Vcc < 2.5V
11
TCLD
Clock Delay Time
50
ns
12
TCLE
Clock Enable Time
50
ns
13
TV
Output Valid from Clock
Low
50
100
160
ns
ns
ns
4.5V
≤ Vcc ≤ 5.5V
2.5V
≤ Vcc < 4.5V
1.8V
≤ Vcc < 2.5V
14
THO
Output Hold Time
0
ns
(Note 1)
15
TDIS
Output Disable Time
40
80
160
ns
ns
ns
4.5V
≤ Vcc ≤ 5.5V(Note 1)
2.5V
≤ Vcc ≤ 4.5V(Note 1)
1.8V
≤ Vcc ≤ 2.5V(Note 1)
16
THS
HOLD Setup Time
20
40
80
ns
ns
ns
4.5V
≤ Vcc ≤ 5.5V
2.5V
≤ Vcc < 4.5V
1.8V
≤ Vcc < 2.5V
Note 1: This parameter is periodically sampled and not 100% tested.
2: TWC begins on the rising edge of CS after a valid write sequence and ends when the internal write cycle is
complete.
3: 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.


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