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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 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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8 8 1 SO-8 D SUFFIX CASE 751 1 12080 ALYW
* * * *
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 85C
A L Y W
= Assembly Location = Wafer Lot = Year = Work Week
FUNCTIONAL TABLE
SW1 L L L L H H H H SW2 L L H H L L H H SW3 L H L H L H L H Divide Ratio 80 40 40 20 40 20 20 10 Device MC12080D MC12080DR2 Package SO-8 SO-8 Shipping 98 Units/Rail 2500 Tape & Reel
PIN CONNECTIONS
In VCC SW1 Out
1 2 3 4 8 7 6 5
In SW3 SW2 Gnd
(Top View)
ORDERING INFORMATION
NOTE: SW1, SW2 and SW3: H = VCC, L = Open.
MAXIMUM RATINGS
Rating Power Supply Voltage, Pin 2 Operating Temperature Range Storage Temperature Range Maximum Output Current, Pin 4 NOTE: ESD data available upon request. Symbol VCC TA Tstg IO Value -0.5 to 7.0 -40 to 85 -65 to 150 10 Unit Vdc C C mA
(c) Semiconductor Components Industries, LLC, 2002
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February, 2002 - Rev. 5
Publication Order Number: MC12080/D
MC12080
ELECTRICAL CHARACTERISTICS (VCC = 4.5 to 5.5 V; TA = -40 to 85C, unless otherwise noted.)
Characteristic Toggle Frequency (Sine Wave) Supply Current Output (Pin 2) Input Voltage Sensitivity 100 to 250 MHz 250 to 1100 MHz Divide Ratio Control Input High (SW1, SW2, SW3) Divide Ratio Control Input Low (SW1, SW2, SW3) Output Voltage Swing (Note 1) RL = 820 , IO = 4.0 mA for /10 RL = 1.6 k, IO = 2.1 mA for /20 RL = 3.3 k, IO = 1.1 mA for /40 RL = 6.2 k, 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 = 25C. Symbol ft ICC Vin 400 100 VIH VIL Vout VCC - 0.5 V Open 0.8 - - VCC Open 1.2 1000 1000 VCC + 0.5 V Open - V - Vpp Min 0.1 - Typ 1.4 3.7 Max 1.1 5.0 Unit GHz mA mVpp
D In In C
Q Q
D C
Q Q
D C
Q Q
1 0 SW1 SW3 SW2 D C Q Q D C Q Q D C Q Q D C Q Q Out
Figure 1. Logic Diagram
VCC = 4.5 to 5.5 V C3 Sine Wave Generator C1 VCC In
SW1 SW2 SW3
50 C2 In Gnd
Out CL RL External Components C1 = C2 = 1000 pF C3 = 0.1 F CL = 8.0 pF (Including Scope and Jig Capacitance) RL = 820 for /10 at 1.1 GHz
Figure 2. AC Test Circuit
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MC12080
+15.0 +10.0 +5.0 0 -5.0 AMPLITUDE (dBm) -10.0 -15.0 -20.0 -25.0 -30.0 -35.0 -40.0 -45.0 -50.0 0 200 400 600 800 1000 1200 1400 1600 FREQUENCY (MHz) Divide Ratio = 10; VCC = 5.0 V; TA = 25C +1257.40 +707.11
800 400 0 200 400 600 800 1000 1200 1400 1600 0 1800
FREQUENCY (MHz)
Figure 4. Output Amplitude versus Input Frequency
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mVpp
EEEEEEEEEEEEEEE EEEEEEEEEEEEEEE EEEEEEEEEEEEEEE EEEEEEEEEEEEEEE EEEEEEEEEEEEEEE EEEEEEEEEEEEEEE
OPERATING WINDOW
+397.64 +223.61 +125.74 +70.71 mVrms +39.76 +22.36 +12.57 +7.07 +3.98 +2.24 +1.26 +0.71 1800
Figure 3. Input Signal Amplitude versus Input Frequency
2000 1600 1200
MC12080
PACKAGE DIMENSIONS
SO-8 D SUFFIX CASE 751-07 ISSUE W
-X- A
8 5 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. 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
B
1 4
S
0.25 (0.010)
M
Y
M
-Y- G C -Z- H D 0.25 (0.010)
M SEATING PLANE
K
N
X 45 _
0.10 (0.004)
M
J
ZY
S
X
S
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 validated for each customer application by customer's technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer.
PUBLICATION ORDERING INFORMATION
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MC12080/D

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