ML12052 Datasheet, PDF (2/5 Pages) LANSDALE Semiconductor Inc. – 1.1 GHz Super Low Power Dual Modulus Prescaler

ML12052
LANSDALE Semiconductor, Inc.
ELECTRICAL CHARACTERISTICS (VCC = 2.7 to 5.5 VDC, TA = –40 to 85°C, unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Toggle Frequency (Sine Wave Input)
Supply Current (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 (Note 2)
(CL = 8.0 pF, RL = 3.3 kΩ)
Modulus Setup Time MC to Out @ 1100 MHz
Input Voltage Sensitivity 250–1100 MHz
100–250 MHz
ft
ICC
VIH1
VIL1
VIH2
VIL2
Vout
tset
Vin
0.1
–
2.0
Gnd
VCC – 0.5 V
Open
0.8
1.4
1.0
–
–
VCC
Open
1.1
–
11
100
–
400
–
Output Current (Note 1)
VCC = 2.7 V, CL = 8.0 pF, RL = 3.3 kΩ
VCC = 5.0 V, CL = 8.0 pF, RL = 7.2 kΩ
IO
–
0.5
–
0.5
NOTES: 1. Divide ratio of ÷64/65 @ 1.1 GHz
2. Valid over voltage range 2.7 to 5.5 V; RL = 3.3 kΩ @ VCC = 2.7 V; RL = 7.2 kΩ @ VCC = 5.0 V
Max
1.1
2.0
VCC + 0.5 V
0.8
VCC + 0.5 V
Open
–
Unit
GHz
mA
V
V
VDC
–
VPP
16
1000
1000
3.0
3.0
ns
mVPP
mA
Figure 1. Logic Diagram (ML12052)
Figure 2. Modulus Setup Time
DQ
DQ
DQ
A
B
C
QB
C QB
C QB
CM
In
In
MC
DQ
D QB
DQ
D QB
D QB
D
E
F
G
H
C QB
CQ
C QB
CQ
C
Q
S
Out
SW
Prop. Delay
In
Out
MC Setup
MC
MC Release
Modulus setup time MC to out is the MC
setup or MC release plus the prop delay.
Sine Wave Generator
50 Ω
Figure 3. AC Test Circuit
C3
VCC = 2.7 to 5.5 V
C1
VCC
SW
IN
C2
IN
MC
OUT
GND
MC Input
CL
EXTERNAL COMPONENTS
RL
C1 = C2 = 1000 pF
C3 = 0.1 µF
CL = 8.0pF (Including Scope
and jig capacitance)
RL = 3.3 kΩ @ VCC = 2.7 V
RL = 7.2 kΩ @ VCC = 5.0 V
Page 2 of 5
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