MC12080 [ONSEMI]
1.1 GHz Prescaler High Frequency Input Signal; 1.1 GHz的预分频器高频输入信号
| 型号： | MC12080 |
| 厂家： | 
ONSEMI |
| 描述： | 1.1 GHz Prescaler High Frequency Input Signal |
| 文件： | 总4页 (文件大小：46K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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
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820 Ω resistor is recommended to achieve a 1.2 V output swing,
pp
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
MARKING
DIAGRAM
8
load resistors are included in the V specification for various divide
out
SO–8
D SUFFIX
CASE 751
12080
ALYW
ratios at 1.1 GHz input frequency.
8
1
Features
1
• 1.1 GHz Toggle Frequency
• Supply Voltage 4.5 to 5.5 V
A
L
Y
= Assembly Location
= Wafer Lot
= Year
• Low Power 3.7 mA Typical at V = 5.0 V
• Operating Temperature Range of –40 to 85°C
CC
W = Work Week
FUNCTIONAL TABLE
PIN CONNECTIONS
SW1
L
SW2
L
SW3
L
Divide Ratio
1
2
3
4
8
7
6
5
In
In
80
40
40
20
40
20
20
10
V
SW3
SW2
Gnd
CC
L
L
H
SW1
Out
L
H
L
L
H
H
(Top View)
H
L
L
H
L
H
ORDERING INFORMATION
H
H
L
H
H
H
Device
Package
SO–8
Shipping
NOTE: SW1, SW2 and SW3: H = V , L = Open.
CC
MC12080D
98 Units/Rail
MC12080DR2
SO–8
2500 Tape & Reel
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Vdc
°C
Power Supply Voltage, Pin 2
Operating Temperature Range
Storage Temperature Range
V
CC
–0.5 to 7.0
–40 to 85
–65 to 150
10
T
A
T
stg
°C
Maximum Output Current, Pin 4
I
O
mA
NOTE: ESD data available upon request.
Semiconductor Components Industries, LLC, 2002
1
Publication Order Number:
February, 2002 – Rev. 5
MC12080/D
MC12080
ELECTRICAL CHARACTERISTICS (V = 4.5 to 5.5 V; T = –40 to 85°C, unless otherwise noted.)
CC
A
Characteristic
Toggle Frequency (Sine Wave)
Symbol
Min
0.1
–
Typ
1.4
3.7
Max
1.1
Unit
GHz
mA
ft
Supply Current Output (Pin 2)
I
5.0
CC
Input Voltage Sensitivity
100 to 250 MHz
250 to 1100 MHz
V
in
mVpp
400
100
–
–
1000
1000
Divide Ratio Control Input High (SW1, SW2, SW3)
Divide Ratio Control Input Low (SW1, SW2, SW3)
Output Voltage Swing (Note 1)
V
V
CC
– 0.5 V
V
V + 0.5 V
CC
V
–
IH
CC
V
Open
0.8
Open
1.2
Open
–
IL
V
out
V
pp
R = 820 Ω, I = 4.0 mA for ÷10
L
O
R = 1.6 kΩ, I = 2.1 mA for ÷20
L
O
R = 3.3 kΩ, I = 1.1 mA for ÷40
L
O
R = 6.2 kΩ, I = 0.57 mA for ÷80
L
O
1. Assumes 8.0 pF load and 1.1 GHz input frequency (typical), I at V = 5.0 V and T = 25°C.
O
CC
A
D
C
Q
D
C
Q
D
Q
In
In
Q
Q
Q
C
1
0
D
Q
D
C
Q
Q
D
C
Q
Q
D
C
Q
Q
C
Q
Out
SW1
SW3
SW2
Figure 1. Logic Diagram
V
CC
= 4.5 to 5.5 V
C3
Sine Wave Generator
V
CC
C1
C2
SW1
SW2
SW3
In
In
50 Ω
Out
Gnd
External Components
C1 = C2 = 1000 pF
C3 = 0.1 µF
C
L
R
L
C = 8.0 pF (Including Scope and Jig Capacitance)
L
R = 820 Ω for ÷10 at 1.1 GHz
L
Figure 2. AC Test Circuit
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2
MC12080
+15.0
+10.0
+5.0
+1257.40
+707.11
+397.64
+223.61
+125.74
+70.71
+39.76
+22.36
+12.57
+7.07
0
OPERATING
WINDOW
-5.0
-10.0
-15.0
-20.0
-25.0
-30.0
-35.0
-40.0
-45.0
-50.0
+3.98
+2.24
+1.26
+0.71
0
200
400
600
800
1000
1200
1400
1600
1800
FREQUENCY (MHz)
Divide Ratio = 10; V = 5.0 V; T = 25°C
CC
A
Figure 3. Input Signal Amplitude versus Input Frequency
2000
1600
1200
800
400
0
0
200
400
600
800
1000
1200
1400
1600
1800
FREQUENCY (MHz)
Figure 4. Output Amplitude versus Input Frequency
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3
MC12080
PACKAGE DIMENSIONS
SO–8
D SUFFIX
CASE 751–07
ISSUE W
–X–
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
A
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.
8
5
4
S
M
M
B
0.25 (0.010)
Y
1
K
–Y–
G
MILLIMETERS
INCHES
DIM MIN
MAX
5.00
4.00
1.75
0.51
MIN
MAX
0.197
0.157
0.069
0.020
A
B
C
D
G
H
J
4.80
3.80
1.35
0.33
0.189
0.150
0.053
0.013
0.050 BSC
0.004
0.007
0.016
0
C
N X 45
_
SEATING
PLANE
–Z–
1.27 BSC
0.10 (0.004)
0.10
0.19
0.40
0
0.25
0.25
1.27
8
0.010
0.010
0.050
8
M
J
H
D
K
M
N
S
_
_
_
_
0.25
5.80
0.50
6.20
0.010
0.228
0.020
0.244
M
S
S
X
0.25 (0.010)
Z
Y
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MC12080/D
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