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25AA512 Datasheet(PDF) 4 Page - Microchip Technology

Part No. 25AA512
Description  512 Kbit SPI Bus Serial EEPROM
Download  32 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

25AA512 Datasheet(HTML) 4 Page - Microchip Technology

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25AA512/25LC512
DS22021B-page 4
Preliminary
© 2007 Microchip Technology Inc.
TABLE 1-3:
AC TEST CONDITIONS
18
THZ
HOLD low to output
High-Z
15
30
150
ns
ns
ns
4.5
≤ VCC ≤ 5.5
2.5
≤ VCC < 4.5
1.8
≤ VCC < 2.5
(Note 1)
19
THV
HOLD high to output valid
15
30
150
ns
ns
ns
4.5
≤ VCC ≤ 5.5
2.5
≤ VCC < 4.5
1.8
≤ VCC < 2.5
20
TREL
CS High to Standby mode
100
μsVCC = 1.8V to 5.5V
21
TPD
CS High to Deep power-
down
—100
μsVCC = 1.8V to 5.5V
22
TCE
Chip erase cycle time
10
ms
VCC = 1.8V to 5.5V
23
TSE
Sector erase cycle time
10
ms
VCC = 1.8V to 5.5V
24
TWC
Internal write cycle time
5
ms
Byte or Page mode and Page
Erase
25
Endurance
1M
E/W
Cycles
(Note 2) Per Page
TABLE 1-2:
AC CHARACTERISTICS (CONTINUED)
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
Automotive (E):
TA = -40°C to +125°C
VCC = 2.5V to 5.5V
Param.
No.
Sym.
Characteristic
Min.
Max.
Units
Conditions
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 our web site at www.microchip.com.
3: Includes THI time.
AC Waveform:
VLO = 0.2V
VHI = VCC - 0.2V
(Note 1)
VHI = 4.0V
(Note 2)
CL = 30 pF
Timing Measurement Reference Level
Input
0.5 VCC
Output
0.5 VCC
Note 1: For VCC
≤ 4.0V
2: For VCC > 4.0V


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