參數(shù)資料
型號: UT54ACTS74
廠商: Electronic Theatre Controls, Inc.
英文描述: Radiation-Hardened Dual D Flip-Flops with Clear & Preset
中文描述: 輻射加固雙D觸發(fā)器與Clear正反器
文件頁數(shù): 6/6頁
文件大?。?/td> 46K
代理商: UT54ACTS74
RadHard MSI Logic
50
UT54ACS74/UT54ACTS74
AC ELECTRICAL CHARACTERISTICS
2
(V
DD
= 5.0V 10%; V
SS
= 0V
1
, -55 C < T
C
< +125 C)
Notes:
1. Maximum allowable relative shift equals 50mV.
2. All specifications valid for radiation dose 1E6 rads(Si).
3. Based on characterization, hold time (t
H
) of 0ns can be assumed if data setup time (t
SU2
) is >10ns. This is guaranteed, but not tested.
SYMBOL
PARAMETER
MINIMUM
MAXIMUM
UNIT
t
PHL
CLK to Q, Q
3
21
ns
t
PLH
CLK to Q, Q
1
20
ns
t
PLH
PRE to Q
1
15
ns
t
PHL
PRE to Q
3
19
ns
t
PHL
CLR to Q
3
19
ns
t
PLH
CLR to Q
1
15
ns
f
MAX
Maximum clock frequency
71
MHz
t
SU1
PRE or CLR inactive
Setup time before CLK
5
ns
t
SU2
Data setup time before CLK
5
ns
t
H3
Data hold time after CLK
2
ns
t
W
Minimum pulse width
PRE or CLR low
CLK high
CLK low
7
ns
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