Semiconductor Components Industries, LLC, 2002
February, 2002 – Rev. 5
1
Publication Order Number:
MC12080/D
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 V
pp
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 V
out
specification for various divide
ratios at 1.1 GHz input frequency.
Features
1.1 GHz Toggle Frequency
Supply Voltage 4.5 to 5.5 V
Low Power 3.7 mA Typical at V
CC
= 5.0 V
Operating Temperature Range of –40 to 85
°
C
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
NOTE: SW1, SW2 and SW3: H = V
CC
, L = Open.
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Power Supply Voltage, Pin 2
V
CC
–0.5 to 7.0
Vdc
Operating Temperature Range
T
A
–40 to 85
°
C
Storage Temperature Range
T
stg
–65 to 150
°
C
Maximum Output Current, Pin 4
I
O
10
mA
NOTE: ESD data available upon request.
http://onsemi.com
SO–8
D SUFFIX
CASE 751
8
1
PIN CONNECTIONS
MARKING
DIAGRAM
Device
Package
Shipping
ORDERING INFORMATION
MC12080D
SO–8
98 Units/Rail
ALYW
12080
1
8
A = Assembly Location
L
= Wafer Lot
Y = Year
W = Work Week
(Top View)
In
SW3
SW2
Gnd
8
In
V
CC
SW1
Out
7
6
5
1
2
3
4
MC12080DR2
SO–8
2500 Tape & Reel
