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AT25128 데이터시트(PDF) 4 Page - ATMEL Corporation

부품명 AT25128
상세설명  SPI Serial EEPROMs
PDF  22 Pages
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제조업체  ATMEL [ATMEL Corporation]
홈페이지  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT25128 데이터시트(HTML) 4 Page - ATMEL Corporation

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4
AT25128/256
0872O–SEEPR–03/05
Table 4. AC Characteristics
Applicable over recommended operating range from T
AI = –40°C to + 85°C, TAE = –40°C to +125°C, VCC = As Specified,
CL = 1 TTL Gate and 100 pF (unless otherwise noted)
Symbol
Parameter
Voltage
Min
Max
Units
fSCK
SCK Clock Frequency
4.5 – 5.5
2.7 – 5.5
1.8 – 5.5
0
0
0
3.0
2.1
0.5
MHz
tRI
Input Rise Time
4.5 – 5.5
2.7 – 5.5
1.8 – 5.5
2
2
2
µs
tFI
Input Fall Time
4.5 – 5.5
2.7 – 5.5
1.8 – 5.5
2
2
2
µs
tWH
SCK High Time
4.5 – 5.5
2.7 – 5.5
1.8 – 5.5
150
200
800
ns
tWL
SCK Low Time
4.5 – 5.5
2.7 – 5.5
1.8 – 5.5
150
200
800
ns
tCS
CS High Time
4.5 – 5.5
2.7 – 5.5
1.8 – 5.5
250
250
1000
ns
tCSS
CS Setup Time
4.5 – 5.5
2.7 – 5.5
1.8 – 5.5
100
250
1000
ns
tCSH
CS Hold Time
4.5 – 5.5
2.7 – 5.5
1.8 – 5.5
150
250
1000
ns
tSU
Data In Setup Time
4.5 – 5.5
2.7 – 5.5
1.8 – 5.5
30
50
100
ns
tH
Data In Hold Time
4.5 – 5.5
2.7 – 5.5
1.8 – 5.5
50
50
100
ns
tHD
Hold Setup Time
4.5 – 5.5
2.7 – 5.5
1.8 – 5.5
100
100
400
ns
tCD
Hold Hold Time
4.5 – 5.5
2.7 – 5.5
1.8 – 5.5
200
300
400
ns
tV
Output Valid
4.5 – 5.5
2.7 – 5.5
1.8 – 5.5
0
0
0
150
200
800
ns
tHO
Output Hold Time
4.5 – 5.5
2.7 – 5.5
1.8 – 5.5
0
0
0
ns
tLZ
Hold to Output Low Z
4.5 – 5.5
2.7 – 5.5
1.8 – 5.5
0
0
0
100
200
300
ns



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