mc145156 Lansdale Semiconductor, Inc., mc145156 Datasheet - Page 25
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mc145156
Manufacturer Part Number
mc145156
Description
Pll Frequency Synthesizer Family
Manufacturer
Lansdale Semiconductor, Inc.
Datasheet
1.MC145156.pdf
(35 pages)
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LANSDALE Semiconductor, Inc.
Page 25 of 35
AC ELECTRICAL CHARACTERISTICS
t PLH , t PHL
t TLH , t THL
t TLH , t THL
Symbol
t PHL
t TLH
t THL
t w
OUTPUT
INPUT
t PLH
Maximum Propagation Delay, f in to MC
Maximum Propagation Delay, ENB to SW1, SW2
Output Pulse Width, φ R , φ V , and LD with f R in Phase with f V
Maximum Output Transition Time, MC
Maximum Output Transition Time, MC
Maximum Output Transition Time, LD
Maximum Output Transition Time, Other Outputs
50%
(Figures 1 and 4)
(Figures 1 and 5)
(Figures 2 and 4)
(Figures 3 and 4)
(Figures 3 and 4)
(Figures 3 and 4)
(Figures 3 and 4)
* Includes all probe and fixture capacitance.
50%
DEVICE
UNDER
TEST
Figure 4. Test Circuit
Figure 1.
OUTPUT
OUTPUT
ANY
TEST POINT
Parameter
t PHL
t TLH
(C L = 50 pF, Input t r = t f = 10 ns)
C L *
SWITCHING WAVEFORMS
10%
90%
– V SS
www.lansdale.com
V DD
Figure 3.
φ R , φ V , LD*
V DD
V
3
5
9
3
5
9
3
5
9
3
5
9
3
5
9
3
5
9
3
5
9
* f R in phase with f V .
t THL
* Includes all probe and fixture capacitance.
Guaranteed Limit
DEVICE
UNDER
TEST
25 to 200
20 to 100
10 to 70
255C
160
180
160
110
115
Figure 5. Test Circuit
60
35
80
50
60
40
60
34
30
90
70
80
60
50%
OUTPUT
Figure 2.
TEST POINT
t w
Guaranteed Limit
– 40 to 85°C
25 to 260
20 to 125
10 to 80
C L *
15 kΩ
120
180
200
120
175
100
115
70
40
95
60
75
60
70
45
38
90
65
V DD
Unit
ns
ns
ns
ns
ns
ns
ns
ML1451xx
Issue A