MOTOROLA MC145145DW2 4-bit data bus inpu pll frequency synthesizer Datasheet

 Order this document
by MC145145–2/D
SEMICONDUCTOR TECHNICAL DATA
!
P SUFFIX
PLASTIC DIP
CASE 707
Interfaces with Single–Modulus Prescalers
The MC145145–2 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.
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Operating Temperature Range: – 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
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1
DW SUFFIX
SOG PACKAGE
CASE 751D
20
1
ORDERING INFORMATION
MC145145P2
MC145145DW2
Plastic DIP
SOG Package
PIN ASSIGNMENTS
PLASTIC DIP
NOT RECOMMENDED FOR NEW DESIGNS;
PRODUCT TO BE PHASED OUT.
Closest equivalents are the MC145151–2, MC145170–1,
MC14519X series, and MC14520X series.
BLOCK DIAGRAM
REFout
OSCin
1
18
D2
D0
2
17
D3
fin
3
16
REFout
VSS
4
15
φR
VDD
5
14
φV
OSCin
6
13
LD
OSCout
7
12
PDout
A0
8
11
ST
A1
9
10
A2
12–BIT R COUNTER
SOG PACKAGE
OSCout
LATCH 4
D0
D1
D2
D3
A0
A1
A2
D1
LATCH 5
LOCK
DETECT
LATCH 6
fR
LATCH
CONTROL
CIRCUITRY
fV
LATCH 0
LATCH 1
LATCH 2
L3
PHASE
DETECTOR
B
D1
1
20
D2
D0
2
19
D3
NC
3
18
REFout
fin
4
17
φR
VSS
5
16
φV
VDD
6
15
LD
OSCin
7
14
PDout
φV
OSCout
8
13
ST
φR
A0
9
12
A2
A1
10
11
NC
PDout
LATCHES
ST
fin
PHASE
DETECTOR
A
LD
14–BIT N COUNTER
NC = NO CONNECTION
REV 2
1/98
TN98012200

Motorola, Inc. 1998
MOTOROLA
MC145145–2
1
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the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and
specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters which may be provided in Motorola
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Motorola was negligent regarding the design or manufacture of the part. Motorola and
are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal
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MC145145–2
2
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JAPAN: Nippon Motorola Ltd.: SPD, Strategic Planning Office, 141,
4–32–1 Nishi–Gotanda, Shagawa–ku, Tokyo, Japan. 03–5487–8488
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MC145145–2/D
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