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74LVQ74TTR датащи(PDF) 4 Page - STMicroelectronics

номер детали 74LVQ74TTR
подробное описание детали  DUAL D-TYPE FLIP FLOP WITH PRESET AND CLEAR
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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Table 7: Dynamic Switching Characteristics
1) Worst case package.
2) Max number of outputs defined as (n). Data inputs are driven 0V to 3.3V, (n-1) outputs switching and one output at GND.
3) Max number of data inputs (n) switching. (n-1) switching 0V to 3.3V. Inputs under test switching: 3.3V to threshold (VILD), 0V to threshold
(VIHD), f=1MHz.
Table 8: AC Electrical Characteristics (CL = 50 pF, RL = 500 Ω, Input tr = tf = 3ns)
1) Skew is defined as the absolute value of the difference between the actual propagation delay for any two outputs of the same device switch-
ing in the same direction, either HIGH or LOW (tOSLH = |tPLHm - tPLHn|, tOSHL = |tPHLm - tPHLn|)
2) Parameter guaranteed by design
(*) Voltage range is 3.3V
± 0.3V
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
VOLP
Dynamic Low
Voltage Quiet
Output (note 1, 2)
3.3
CL = 50 pF
0.2
0.8
V
VOLV
-0.8
-0.2
VIHD
Dynamic High
Voltage Input (note
1, 3)
3.3
2
V
VILD
Dynamic Low
Voltage Input (note
1, 3)
3.3
0.8
V
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
tPLH
tPHL
Propagation Delay
Time CK to Q
2.7
7.7
12.0
14.0
16.0
ns
3.3(*)
6.3
9.0
10.5
12.0
tPLH
tPHL
Propagation Delay
Time PR or CLR to
Q
2.7
6.9
12.0
14.0
16.0
ns
3.3(*)
5.8
9.0
10.5
12.0
tw
Pulse Width CK,
HIGH or LOW
2.7
4.0
1.5
4.0
5.0
ns
3.3(*)
3.0
1.5
3.0
4.0
tw(L)
Pulse Width PR or
CLR, LOW
2.7
4.0
1.5
4.0
5.0
ns
3.3(*)
3.0
1.5
3.0
4.0
ts
Setup Time D to CK
HIGH or LOW
2.7
4.0
-0.2
4.0
5.0
ns
3.3(*)
3.0
-0.2
3.0
4.0
th
Hold Time D to CK
HIGH or LOW
2.7
2.0
0.2
2.0
2.0
ns
3.3(*)
2.0
0.2
2.0
2.0
tREM
Recovery Time PR
or CLR to Q
2.7
1.0
-1.0
1.0
1.0
ns
3.3(*)
1.0
-1.0
1.0
1.0
fMAX
Maximum Clock
Frequency
2.7
100
200
100
80
MHz
3.3(*)
120
250
120
100
tOSLH
tOSHL
Output To Output
Skew Time
(note1, 2)
2.7
0.2
1.0
1.0
1.0
ns
3.3(*)
0.2
1.0
1.0
1.0


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