FREESCALE MC12052AD

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Freescale Semiconductor, Inc.
ARCHIVED BY FREESCALE SEMICONDUCTOR, INC. 2005
The MC12052A is a super low power dual modulus prescaler used in
phase–locked loop applications. Motorola’s advanced Bipolar MOSAIC V
technology is utilized to achieve low power dissipation of 2.7 mW at a
minimum supply voltage of 2.7 V.
The MC12052A can be used with CMOS synthesizers requiring positive
edges to trigger internal counters such as Motorola’s MC145XXX series in a
PLL to provide tuning signals up to 1.1 GHz in programmable frequency
steps.
A Divide Ratio Control (SW) permits selection of a 64/65 or 128/129 divide
ratio as desired.
The Modulus Control (MC) selects the proper divide number after SW has
been biased to select the desired divide ratio.
• 1.1 GHz Toggle Frequency
•
•
•
•
•
•
MECL PLL COMPONENTS
÷64/65, ÷128/129 LOW POWER
DUAL MODULUS PRESCALER
SEMICONDUCTOR
TECHNICAL DATA
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8
The MC12052 is Pin and Functionally Compatible with the MC12022
1
Low Power 1.0 mA Typical
2.0 mA Maximum, –40 to 85°C, VCC = 2.7 to 5.5 Vdc
Short Setup Time (tset) 16 ns Maximum @ 1.1 GHz
D SUFFIX
PLASTIC PACKAGE
CASE 751
(SO–8)
Modulus Control Input Level is Compatible with Standard CMOS and
TTL
Maximum Input Voltage Should Be Limited to 6.5 Vdc
MOSAIC V is a trademark of Motorola
PIN CONNECTIONS
FUNCTIONAL TABLE
SW
MC
Divide Ratio
H
H
64
H
L
65
L
H
128
L
L
129
IN
VCC
SW
OUT
1
8
2
7
3
6
4
5
IN
NC
MC
Gnd
(Top View)
NOTES: 1. SW: H = VCC, L = Open. A logic L can also be applied by grounding this pin,
but this is not recommended due to increased power consumption.
2. MC: H = 2.0 V to VCC, L = GND to 0.8 V.
MAXIMUM RATINGS
Characteristic
Symbol
Range
Unit
VCC
–0.5 to 7.0
Vdc
TA
–40 to 85
°C
Storage Temperature Range
Tstg
–65 to 150
°C
Device
Operating
Temp Range
Package
Modulus Control Input, Pin 6
MC
–0.5 to 6.5
Vdc
MC12052AD
TA =–40 to 85°C
SO–8
Power Supply Voltage, Pin 2
Operating Temperature Range
ORDERING INFORMATION
 Motorola, Inc. 1998
MOTOROLA RF/IF DEVICE DATA For More Information On This Product,
Go to: www.freescale.com
Rev 4
1
Freescale Semiconductor,
Inc.
MC12052A
ELECTRICAL CHARACTERISTICS (VCC = 2.7 to 5.5 VDC, TA = –40 to 85°C, unless otherwise noted.)
ARCHIVED
BY(Sine
FREESCALE
Toggle Frequency
Wave Input) SEMICONDUCTOR, INC. 2005
ft
Supply Current (Pin 2)
Unit
0.1
1.4
1.1
GHz
–
1.0
2.0
mA
–
V
Gnd
–
VCC + 0.5 V
0.8
VIH2
VIL2
VCC – 0.5 V
Open
VCC
Open
VCC + 0.5 V
Open
VDC
Output Voltage Swing (Note 2)
(CL = 8.0 pF, RL = 3.3 kΩ)
Vout
0.8
1.1
–
VPP
Modulus Setup Time MC to Out @ 1100 MHz
tset
Vin
–
11
16
ns
100
400
–
–
1000
1000
mVPP
–
–
0.5
0.5
3.0
3.0
Divide Ratio Control Input High (SW)
Divide Ratio Control Input Low (SW)
Input Voltage Sensitivity 250–1100 MHz
100–250 MHz
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Max
2.0
Modulus Control Input Low (MC)
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Typ
ICC
VIH1
VIL1
Modulus Control Input High (MC)
Freescale Semiconductor, Inc...
Min
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
V
–
IO
mA
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
Figure 1. Logic Diagram (MC12052A)
D
Q
D
D
Q
B
A
Figure 2. Modulus Setup Time
Q
Prop. Delay
C
In
QB
C
QB
C
C M
QB
In
In
Out
MC
MC Setup
D
Q
D
QB
C
D
C
QB
D
E
Q
D
QB
C
F
Q
C
QB
D
G
H
C S Q
Q
MC
QB
MC Release
Out
Modulus setup time MC to out is the MC
setup or MC release plus the prop delay.
SW
Figure 3. AC Test Circuit
VCC = 2.7 to 5.5 V
C3
Sine Wave Generator
C1
VCC
50 Ω
OUT
C2
CL
IN
RL
MC
MC Input
2
SW
IN
GND
EXTERNAL COMPONENTS
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
For More Information On This Product, MOTOROLA RF/IF DEVICE DATA
Go to: www.freescale.com
ARCHIVE INFORMATION
Symbol
Characteristic
Freescale Semiconductor,
Inc.
MC12052A
Figure 4. Typical Input Impedance versus Input Frequency
ARCHIVED BY FREESCALE SEMICONDUCTOR, INC. 2005
300
200
R
100
MHz
0
–100
OHMS
–300
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–200
–400
–500
–600
–700
–800
jX
–900
–1000
–1100
–1200
100
200
300
400
500
600
700
800
900
1000
MOTOROLA RF/IF DEVICE DATA For More Information On This Product,
Go to: www.freescale.com
1100
1200
3
Freescale Semiconductor,
Inc.
MC12052A
OUTLINE DIMENSIONS
D SUFFIX
ARCHIVED BY FREESCALE SEMICONDUCTOR,
INC. 2005
PLASTIC PACKAGE
CASE 751–06
(SO–8)
ISSUE T
8
NOTES:
1. DIMENSIONING AND TOLERANCING PER ASME
Y14.5M, 1994.
2. DIMENSIONS ARE IN MILLIMETER.
3. DIMENSION D AND E DO NOT INCLUDE MOLD
PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 PER SIDE.
5. DIMENSION B DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 TOTAL IN EXCESS
OF THE B DIMENSION AT MAXIMUM MATERIAL
CONDITION.
C
5
0.25
H
E
M
B
M
1
4
h
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ARCHIVE INFORMATION
B
X 45 _
e
q
A
C
SEATING
PLANE
L
0.10
A1
B
0.25
C B
M
S
A
S
DIM
A
A1
B
C
D
E
e
H
h
L
q
MILLIMETERS
MIN
MAX
1.35
1.75
0.10
0.25
0.35
0.49
0.19
0.25
4.80
5.00
3.80
4.00
1.27 BSC
5.80
6.20
0.25
0.50
0.40
1.25
0_
7_
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Opportunity/Affirmative Action Employer.
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D
A
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MC12052A/D
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