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ML12079PP View Datasheet(PDF) - LANSDALE Semiconductor Inc.

Part Name
Description
Manufacturer
ML12079PP Datasheet PDF : 4 Pages
1 2 3 4
Legacy Device: Motorola MC12079
ML12079
2.8 GHz Prescaler
MECL PLL Components
÷64/128/256 Prescaler
The ML12079 is a single modulus divide by 64, 128, 256 prescaler
for low power frequency division of a 2.8 GHz (typical) high frequen-
cy input signal. Divide ratio control inputs SW1 and SW2 select the
required divide ratio of ÷64, ÷128, or ÷256.
An external load resistor is required to terminate the output. A 1.2
kΩ resistor is recommended to achieve a 1.6 Vpp output swing, when
dividing a 1.1 GHz input signal by the minimum divide ratio of 64,
assuming a 12 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 2.8
GHz input frequency.
• 2.8 GHz Toggle Frequency
• Supply Voltage 4.5 to 5.5 V
• Low Supply Current 9mA Typical at VCC = 5.0 V
• Operating Temperature Range of TA = –40 to 85°C
FUNCTIONAL TABLE
SW1
SW2
H
H
H
L
L
H
L
L
NOTE: SW1 & SW2: H = VCC, L = Open.
Divide Ratio
64
128
128
256
8
1
SO 8 = -5P
PLASTIC PACKAGE
CASE 751
8
1
P DIP 8 = PP
PLASTIC PACKAGE
CASE 626
CROSS REFERENCE/ORDERING INFORMATION
PACKAGE
MOTOROLA
LANSDALE
P DIP 8
SO 8
MC12079P
MC12079D
ML12079PP
ML12079-5P
Note: Lansdale lead free (Pb) product, as it
becomes available, will be identified by a part
number prefix change from ML to MLE.
MAXIMUM RATINGS
Characteristic
Power Supply Voltage, Pin 2
Operating Temperature Range
Storage Temperature Range
Maximum Output Current, Pin 4
Symbol
Range
Unit
VCC
–0.5 to 7.0
Vdc
TA
–40 to 85
°C
Tstg
–65 to 150
°C
IO
4.0
mA
PIN CONNECTIONS
IN 1
VCC 2
SW1 3
OUT 4
8 IN
7 NC
6 SW2
5 Gnd
(Top View)
Page 1 of 4
www.lansdale.com
Issue A
 

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