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LANSDALE Semiconductor - 4-Bit Data Bus Input PLL Frequency Synthesizer

Numéro de référence ML145145
Description 4-Bit Data Bus Input PLL Frequency Synthesizer
Fabricant LANSDALE Semiconductor 
Logo LANSDALE Semiconductor 





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ML145145 fiche technique
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ML145145
4–Bit Data Bus Input PLL
Frequency Synthesizer
INTERFACES WITH SINGLE–MODULUS PRESCALERS
Legacy Device: Motorola MC145145-2
The ML145145 is programmed by a 4–bit input, with
strobe and address lines. The device features consist of a
reference oscillator, 12–bit programmable reference
divider, digital phase detector, 14–bit programmable
divide–by–N counter, and the necessary latch circuitry for
accepting the 4–bit input data.
• Operating Temperature Range: TA – 40 to 85°C
• Low Power Consumption Through the Use of CMOS
Technology
• 3.0 to 9.0 V Supply Range
• Single Modulus 4–Bit Data Bus Programming
• ÷N Range = 3 to 16,383, ÷R Range = 3 to 4,095
• “Linearized” Digital Phase Detector Enhances
Transfer Function Linearity
• Two Error Signal Options:
Single–Ended (Three–State)
Double–Ended
REFout
BLOCK DIAGRAM
OSCin
OSCout
D0
D1
D2
D3
A0
A1
A2
ST
fin
12–BIT R COUNTER
LATCH 4 LATCH 5 LATCH 6
LOCK
DETECT
LATCH
CONTROL
CIRCUITRY
LATCHES
fR
fV
LATCH 0 LATCH 1 LATCH 2 L3
14–BIT N COUNTER
PHASE
DETECTOR
A
PHASE
DETECTOR
B
18
1
P DIP 18 = VP
PLASTIC DIP
CASE 707
20
1
SOG 20 = -6P
SOG PACKAGE
CASE 751D
CROSS REFERENCE/ORDERING INFORMATION
PACKAGE
MOTOROLA
LANSDALE
P DIP 18
SOG 20
MC145145P1 ML145145VP
MC145145DW2 ML145145-6P
Note: Lansdale lead free (Pb) product, as it
becomes available, will be identified by a part
number prefix change from ML to MLE.
LD
PDout
φV
φR
PIN ASSIGNMENTS
PLASTIC DIP
D1 1
D0 2
18 D2
17 D3
fin
VSS
VDD
OSCin
OSCout
A0
3
4
5
6
7
8
16 REFout
15 φR
14 φV
13 LD
12 PDout
11 ST
A1 9
10 A2
SOG PACKAGE
D1
D0
NC
fin
VSS
VDD
OSCin
OSCout
A0
A1
1
2
3
4
5
6
7
8
9
10
20 D2
19 D3
18 REFout
17 φR
16 φV
15 LD
14 PDout
13 ST
12 A2
11 NC
NC = NO CONNECTION
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