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SP8690/SP8691
L
H
L
H
PE1
L
L
H
H
TRUTH TABLE FOR
CONTROL INPUTS
9
8
8
8
PE2
Division ratio
L
H
L
H
PE1
L
L
H
H
TRUTH TABLE FOR
CONTROL INPUTS
11
10
10
10
PE2
Division ratio
Fig. 5 Timing diagram, SP8691
Fig. 4 Timing diagram, SP8690
1200
1000
800
600
400
200
0
0
50
100
150
200
250
INPUT FREQUENCY (MHz)
* Tested as specified
in table of Electrical
Characteristics
GUARANTEED *
OPERATING
WINDOW
1125°C
255°C
Fig. 7 Typical input impedance. Test conditions: Supply Voltage = 5.0V,
Ambient Temperature = 25
°C. Frequencies in MHz, impedances normalised to 50Ω.
Fig. 6 Typical input characteristics, SP8690/1
6
tr
ts
5
5
CLOCK INPUT
PE INPUTS
ECL AND TTL
OUTPUTS
5
5
tr
ts
4
4
CLOCK INPUT
PE INPUTS
ECL AND TTL
OUTPUTS
4
j 2
j 1
j 0.5
j 0.2
0
2j 0.2
2j 0.5
2j 1
2j 2
1
0.5
0.2
j 5
2j 5
2
5
50
100
150
200