AT17LV010-10JU 데이터 시트보기 (PDF) - Atmel Corporation
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AT17LV010-10JU Datasheet PDF : 26 Pages
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19. AC Characteristics
VCC = 5V ± 5% Commercial; VCC = 5V ± 10% Industrial
AT17LV65/128/256
AT17LV512/010/002/040
Commercial
Industrial
Commercial
Industrial
Symbol Description
Min Max Min Max Min Max Min Max
TOE(1)
TCE(1)
TCAC(1)
TOH
TDF(2)
TLC
THC
TSCE
OE to Data Delay
CE to Data Delay
CLK to Data Delay
Data Hold from CE, OE, or CLK
CE or OE to Data Float Delay
CLK Low Time
CLK High Time
CE Setup Time to CLK (to guarantee proper
counting)
30
35
30
35
45
45
45
45
50
55
50
50
0
0
0
0
50
50
50
50
20
20
20
20
20
20
20
20
35
40
20
25
THCE
CE Hold Time from CLK (to guarantee proper
counting)
0
0
0
0
THOE
FMAX
Notes:
OE High Time (guarantees counter is reset)
20
20
20
20
Maximum Clock Frequency
12.5
12.5
15
15
1. AC test lead = 50 pF.
2. Float delays are measured with 5 pF AC loads. Transition is measured ± 200 mV from steady-state active levels.
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
20. AC Characteristics when Cascading
VCC = 5V ± 5% Commercial; VCC = 5V ± 10% Industrial
AT17LV65/128/256
AT17LV512/010/002/040
Commercial
Industrial
Commercial
Industrial
Symbol
TCDF(2)
TOCK(1)
TOCE(1)
TOOE(1)
FMAX
Description
CLK to Data Float Delay
CLK to CEO Delay
CE to CEO Delay
RESET/OE to CEO Delay
Maximum Clock Frequency
Min Max Min Max Min Max Min Max
50
50
50
50
35
40
35
40
35
35
35
35
30
35
30
30
10
10
12.5
12.5
Notes: 1. AC test lead = 50 pF.
2. Float delays are measured with 5 pF AC loads. Transition is measured ± 200 mV from steady-state active levels.
Units
ns
ns
ns
ns
MHz
14 AT17LV65/128/256/512/010/002/040
2321I–CNFG–2/08
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