MC12028B 데이터 시트보기 (PDF) - Motorola => Freescale
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MC12028B Datasheet PDF : 5 Pages
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MC12028A MC12028B
ELECTRICAL CHARACTERISTICS (VCC = 4.5 to 5.5V; TA = –40 to 85°C, unless otherwise noted.)
Characteristic
Symbol
Min
Toggle Frequency (Sine Wave Input)
Supply Current Output Unloaded (Pin 2)
Modulus Control Input High (MC)
Modulus Control Input Low (MC)
Divide Ratio Control Input High (SW)
Divide Ratio Control Input Low (SW)
Output Voltage Swing (CL = 12 pF; RL = 2.2 kΩ)
Modulus Setup Time MC to Out
Input Voltage Sensitivity 250–1100 MHz
100–250 MHz
ft
ICC
VIH1
VIL1
VIH2
VIL2
Vout
tset
Vin
0.1
–
2.0
–
VCC
Open
1.0
–
100
400
Output Current (CL = 12 pF; RL = 2.2 kΩ)
IO
–
Typ
1.4
4.0
–
–
VCC
Open
1.6
11
–
–
1.5
Max
1.1
6.5
VCC
0.8
VCC
Open
16
1500
1500
4.0
Unit
GHz
mA
V
V
Vdc
—
Vpp
ns
mVpp
mA
Figure 1. Logic Diagram (MC12028A)
Figure 2. Modulus Setup Time
In
In
MC
DQ
D
C QB
DQ
A
C QB
DQ
B
C QB
DQ
C
QB
CM
Prop. Delay
In
Out
D QB
E
CQ
DQ
F
C QB
D QB
D QB
G
H
CQ
C
Q
S
Out
SW
MC Setup
MC
MC Release
Modulus setup time MC to out is the MC
setup or MC release plus the prop delay.
Figure 3. Typical Output Waveform
500 m ≈
20 ns
2
MOTOROLA RF/IF DEVICE DATA
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