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MC145145P1 Scheda tecnica(PDF) 1 Page - LANSDALE Semiconductor Inc.

Il numero della parte MC145145P1
Spiegazioni elettronici  4-Bit Data Bus Input PLL Frequency Synthesizer
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Produttore elettronici  LANSDALE [LANSDALE Semiconductor Inc.]
Homepage  http://www.lansdale.com
Logo LANSDALE - LANSDALE Semiconductor Inc.

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ML145145
4–Bit Data Bus Input PLL
Frequency Synthesizer
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
BLOCK DIAGRAM
φV
LD
ST
A2
A1
A0
D3
D2
D1
D0
LOCK
DETECT
PHASE
DETECTOR
B
PHASE
DETECTOR
A
12–BIT R COUNTER
LATCHES
LATCH
CONTROL
CIRCUITRY
14–BIT N COUNTER
LATCH 1
LATCH 2
L3
REFout
OSCin
OSCout
fin
PDout
φR
LATCH 4
LATCH 5
LATCH 6
fR
fV
LATCH 0
PIN ASSIGNMENTS
VDD
fin
D0
D1
A1
A0
OSCout
OSCin
VSS
φR
REFout
D3
D2
A2
ST
PDout
LD
φV
14
15
16
17
18
10
11
12
13
5
4
3
2
1
9
8
7
6
PLASTIC DIP
VDD
fin
NC
D0
D1
A1
A0
OSCout
OSCin
VSS
5
4
3
2
1
10
9
8
7
6
14
15
16
17
18
19
20
11
12
13
φV
φR
REFout
D3
D2
NC
A2
ST
PDout
LD
SOG PACKAGE
NC = NO CONNECTION
INTERFACES WITH SINGLE–MODULUS PRESCALERS
P DIP 18 = VP
PLASTIC DIP
CASE 707
SOG 20 = -6P
SOG PACKAGE
CASE 751D
18
1
20
1
CROSS REFERENCE/ORDERING INFORMATION
MOTOROLA
P DIP 18
MC145145P1
ML145145VP
SOG 20
MC145145DW2
ML145145-6P
LANSDALE
PACKAGE
Note: Lansdale lead free (Pb) product, as it
becomes available, will be identified by a part
number prefix change from ML to MLE.
Issue Bb


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