UT54ACTS74 데이터 시트보기 (PDF) - Aeroflex Corporation
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UT54ACTS74 Datasheet PDF : 10 Pages
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AC ELECTRICAL CHARACTERISTICS 2
(VDD = 5.0V ±10%; VSS = 0V 1, -55°C < TC < +125°C); Unless otherwise noted, Tc is per the temperature range ordered.
SYMBOL
PARAMETER
MINIMUM
MAXIMUM
UNIT
tPHL
tPLH
tPLH
tPHL
tPHL
tPLH
fMAX
tSU1
tSU2
tH3
tW
CLK to Q, Q
CLK to Q, Q
PRE to Q
PRE to Q
CLR to Q
CLR to Q
Maximum clock frequency
PRE or CLR inactive
Setup time before CLK ↑
Data setup time before CLK ↑
Data hold time after CLK ↑
Minimum pulse width
PRE or CLR low
CLK high
CLK low
3
21
ns
1
20
ns
1
15
ns
3
19
ns
3
19
ns
1
15
ns
71
MHz
5
ns
5
ns
2
ns
7
ns
Notes:
1. Maximum allowable relative shift equals 50mV.
2. All specifications valid for radiation dose ≤ 1E6 rads(Si).
3. Based on characterization, hold time (tH) of 0ns can be assumed if data setup time (tSU2) is >10ns. This is guaranteed, but not tested.
6
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