ONSEMI MC12080D

MC12080
1.1 GHz Prescaler
The MC12080 is a single modulus divide by 10, 20, 40, 80 prescaler
for low power frequency division of a 1.1 GHz high frequency input
signal. Divide ratio control inputs SW1, SW2 and SW3 select the
required divide ratio of ÷10, ÷20, ÷40, or ÷80.
An external load resistor is required to terminate the output. An
820 Ω resistor is recommended to achieve a 1.2 Vpp output swing,
when dividing a 1.1 GHz input signal by the minimum divide by ratio
of 10, assuming a 8.0 pF load. Output current can be minimized
dependent on conditions such as output frequency, capacitive load
being driven, and output voltage swing required. Typical values for
load resistors are included in the Vout specification for various divide
ratios at 1.1 GHz input frequency.
Features
•
•
•
•
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MARKING
DIAGRAM
8
SO–8
D SUFFIX
CASE 751
8
1
12080
ALYW
1
1.1 GHz Toggle Frequency
Supply Voltage 4.5 to 5.5 V
Low Power 3.7 mA Typical at VCC = 5.0 V
Operating Temperature Range of –40 to 85°C
A
L
Y
W
= Assembly Location
= Wafer Lot
= Year
= Work Week
FUNCTIONAL TABLE
SW1
SW2
SW3
Divide Ratio
L
L
L
80
L
L
H
40
L
H
L
40
L
H
H
20
H
L
L
40
H
L
H
20
H
H
L
20
H
H
H
10
PIN CONNECTIONS
In
VCC
SW1
Out
1
8
2
7
3
6
4
5
In
SW3
SW2
Gnd
(Top View)
ORDERING INFORMATION
Device
NOTE: SW1, SW2 and SW3: H = VCC, L = Open.
Package
Shipping
MC12080D
SO–8
98 Units/Rail
MC12080DR2
SO–8
2500 Tape & Reel
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
VCC
–0.5 to 7.0
Vdc
Operating Temperature Range
TA
–40 to 85
°C
Storage Temperature Range
Tstg
–65 to 150
°C
IO
10
mA
Power Supply Voltage, Pin 2
Maximum Output Current, Pin 4
NOTE: ESD data available upon request.
 Semiconductor Components Industries, LLC, 2002
February, 2002 – Rev. 5
1
Publication Order Number:
MC12080/D
MC12080
ELECTRICAL CHARACTERISTICS (VCC = 4.5 to 5.5 V; TA = –40 to 85°C, unless otherwise noted.)
Symbol
Min
Typ
Max
Unit
Toggle Frequency (Sine Wave)
ft
0.1
1.4
1.1
GHz
Supply Current Output (Pin 2)
ICC
–
3.7
5.0
mA
Input Voltage Sensitivity
100 to 250 MHz
250 to 1100 MHz
Vin
400
100
–
–
1000
1000
Divide Ratio Control Input High (SW1, SW2, SW3)
VIH
VCC – 0.5 V
VCC
VCC + 0.5 V
V
Divide Ratio Control Input Low (SW1, SW2, SW3)
VIL
Open
Open
Open
–
Output Voltage Swing (Note 1)
Vout
0.8
1.2
–
Vpp
Characteristic
mVpp
RL = 820 Ω, IO = 4.0 mA for ÷10
RL = 1.6 kΩ, IO = 2.1 mA for ÷20
RL = 3.3 kΩ, IO = 1.1 mA for ÷40
RL = 6.2 kΩ, IO = 0.57 mA for ÷80
1. Assumes 8.0 pF load and 1.1 GHz input frequency (typical), IO at VCC = 5.0 V and TA = 25°C.
In
In
D
Q
D
Q
D
C
Q
C
Q
C
Q
Q
1
0
SW1
D
Q
D
Q
D
Q
D
Q
C
Q
C
Q
C
Q
C
Q
Out
SW3
SW2
Figure 1. Logic Diagram
VCC = 4.5 to 5.5 V
C3
Sine Wave Generator
C1
VCC
In
SW1
SW2
50 Ω
SW3
C2
In
Out
Gnd
CL
RL
Figure 2. AC Test Circuit
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2
External Components
C1 = C2 = 1000 pF
C3 = 0.1 µF
CL = 8.0 pF (Including Scope and Jig Capacitance)
RL = 820 Ω for ÷10 at 1.1 GHz
MC12080
+15.0
+1257.40
ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ
ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ
ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ
ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ
ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ
ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ
+5.0
0
+397.64
+223.61
OPERATING
WINDOW
-5.0
-10.0
-15.0
-20.0
+125.74
+70.71
+39.76
+22.36
-25.0
+12.57
-30.0
+7.07
-35.0
+3.98
-40.0
+2.24
-45.0
+1.26
-50.0
0
200
400
600
800
1000
1200
1400
+0.71
1800
1600
FREQUENCY (MHz)
Divide Ratio = 10; VCC = 5.0 V; TA = 25°C
Figure 3. Input Signal Amplitude versus Input Frequency
2000
1600
1200
800
400
0
200
400
600
800
1000
1200
1400
FREQUENCY (MHz)
Figure 4. Output Amplitude versus Input Frequency
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3
1600
0
1800
mVpp
AMPLITUDE (dBm)
+707.11
mVrms
+10.0
MC12080
PACKAGE DIMENSIONS
SO–8
D SUFFIX
CASE 751–07
ISSUE W
–X–
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSION A AND B DO NOT INCLUDE MOLD
PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006) PER
SIDE.
5. DIMENSION D DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 (0.005) TOTAL IN
EXCESS OF THE D DIMENSION AT MAXIMUM
MATERIAL CONDITION.
A
8
5
0.25 (0.010)
S
B
1
M
Y
M
4
K
–Y–
G
C
N
X 45 SEATING
PLANE
–Z–
0.10 (0.004)
H
M
D
0.25 (0.010)
M
Z Y
S
X
J
S
DIM
A
B
C
D
G
H
J
K
M
N
S
MILLIMETERS
MIN
MAX
4.80
5.00
3.80
4.00
1.35
1.75
0.33
0.51
1.27 BSC
0.10
0.25
0.19
0.25
0.40
1.27
0
8
0.25
0.50
5.80
6.20
INCHES
MIN
MAX
0.189
0.197
0.150
0.157
0.053
0.069
0.013
0.020
0.050 BSC
0.004
0.010
0.007
0.010
0.016
0.050
0
8
0.010
0.020
0.228
0.244
ON Semiconductor and
are trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes
without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular
purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability,
including without limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or
specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be
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4
MC12080/D