MC12080
Table 3. ELECTRICAL CHARACTERISTICS (VCC = 4.5 to 5.5 V; TA = −40 to 85°C, unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Toggle Frequency (Sine Wave)
ft
0.1
1.4
1.1
Supply Current Output (Pin 2)
ICC
−
3.7
5.0
Input Voltage Sensitivity
100 to 250 MHz
250 to 1100 MHz
Vin
400
100
−
1000
−
1000
Divide Ratio Control Input High (SW1, SW2, SW3)
Divide Ratio Control Input Low (SW1, SW2, SW3)
VIH
VCC − 0.5 V
VCC
VCC + 0.5 V
VIL
Open
Open
Open
Output Voltage Swing (Note 1)
RL = 820 W, IO = 4.0 mA for ÷10
RL = 1.6 kW, IO = 2.1 mA for ÷20
RL = 3.3 kW, IO = 1.1 mA for ÷40
RL = 6.2 kW, IO = 0.57 mA for ÷80
Vout
0.8
1.2
−
1. Assumes 8.0 pF load and 1.1 GHz input frequency (typical), IO at VCC = 5.0 V and TA = 25°C.
Unit
GHz
mA
mVpp
V
−
Vpp
DQ
DQ
DQ
In
In
CQ
CQ
CQ
1
DQ
DQ
DQ
DQ
0
CQ
CQ
CQ
CQ
Out
SW1
SW3
SW2
Figure 1. Logic Diagram
Sine Wave Generator
C1
In
50
W
C2
In
C3
VCC
SW1
SW2
SW3
VCC = 4.5 to 5.5 V
Out
Gnd
CL
RL
External Components
C1 = C2 = 1000 pF
C3 = 0.1 mF
CL = 8.0 pF (Including Scope and Jig Capacitance)
RL = 820 W for ÷10 at 1.1 GHz
Figure 2. AC Test Circuit
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2