AT17LV002A-10QI 데이터 시트보기 (PDF) - Atmel Corporation
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AT17LV002A-10QI Datasheet PDF : 14 Pages
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AC Characteristics for AT17C002A
VCC = 5V ± 5% Commercial/VCC = 5V ± 10% Industry/Military
Commercial
Industrial/Military(1)
Symbol
Description
Min
Max
Min
Max
Units
TOE(2)
TCE(2)
TCAC(2)
OE to Data Delay
nCS to Data Delay
DCLK to Data Delay
30
35
ns
45
45
ns
50
55
ns
TOH
TDF(3)
Data Hold From nCS, OE or DCLK
nCS or OE to Data Float Delay
0
0
ns
50
50
ns
TLC
DCLK Low Time Slave Mode
20
20
ns
THC
DCLK High Time Slave Mode
20
20
ns
TSCE
nCS Setup Time to DCLK (to guarantee proper counting)
20
25
ns
THCE
nCS Hold Time from DCLK (to guarantee proper
0
counting)
0
ns
TLOE
FMAX
TLC
THC
Notes:
OE Low Time (guarantees counter is reset)
20
20
Maximum Input Clock Frequency Slave Mode
12
12.5
DCLK Low Time Master Mode
30
250
30
250
DCLK High Time Master Mode
30
250
30
250
1. Preliminary specifications for military operating range only.
2. AC test load = 50 pF.
3. Float delays are measured with 5 pF AC loads. Transition is measured ± 200 mV from steady state active levels.
ns
MHz
ns
ns
AC Characteristics for AT17C002A When Cascading
VCC = 5V ± 5% Commercial/VCC = 5V ± 10% Industry/Military
Commercial
Industrial/Military(1)
Symbol
Description
Min
Max
Min
Max
Units
TCDF (3)
TOCK(2)
TOCE(2)
TOOE(2)
DCLK to Data Float Delay
DCLK to nCASC Delay
nCS to nCASC Delay
OE to nCASC Delay
50
50
ns
35
40
ns
35
35
ns
30
30
ns
FMAX
Notes:
Maximum Input Clock Frequency
12.5
12.5
1. Preliminary specifications for military operating range only.
2. AC test load = 50 pF.
3. Float delays are measured with 5 pF AC loads. Transition is measured ± 200 mV from steady state active levels.
MHz
10 AT17C/LV002A
2280B–08/01
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