Preliminary Data Sheet
August 1998
LUCDA4044 Phase Frequency Detector
Features
s
Applications
s
s
Typical propagation delay 9.0 ns (through phase
detector)
Includes charge pump and amplifier
Available in 14-pin DIP or SONB
Frequency synthesizers
Clock recovery
s
s
Description
14 V
CC
R
D1
V
PU
UF
D2
GND
1
2
3
4
5
6
7
PHASE
FREQUENCY
DETECTOR
#2
CHARGE
PUMP
PHASE
FREQUENCY
DETECTOR
#1
13 U1
12 U2
11 PD
10 DF
9
8
AIN
AOU
The LUCDA4044 consists of two digital phase detec-
tors, a charge pump, and an amplifier. In combination
with a voltage-controlled multivibrator, this device is
useful in a broad range of phase-locked loop (PLL)
applications. The circuit accepts TTL waveforms at
the R and V inputs and generates an error voltage
that is proportional to frequency and/or phase differ-
ence.
Phase detector #1 is intended for use in systems
requiring zero frequency and phase at lock. Phase
detector #2 is used if quadrature lock is desired.
Phase detector #2 can also be used to indicate that
the main loop (utilizing phase detector #1) is out of
lock. This LUCDA4044 is a direct replacement for the
Motorola*
MC4044.
*
Motorola
is a registered trademark of Motorola Inc.
12-3519F
Figure 1. Functional Diagram
LUCDA4044 Phase Frequency Detector
Preliminary Data Sheet
August 1998
Pin Information
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings
can cause permanent damage to the device. These are
absolute stress ratings only. Functional operation of the
device is not implied at these or any other conditions in
excess of those given in the operational sections of the
data sheet. Exposure to absolute maximum ratings for
extended periods can adversely affect device reliability.
Parameter
Ambient Operating
Temperature
Storage Tempera-
ture Range
Power Supply Volt-
age (V
CC
to GND)
12-3518F
R
D1
V
PU
UF
D2
GND
1
2
3
4
5
6
7
14 V
CC
13 U1
12 U2
11 PD
10 DF
9
8
AIN
AOU
Symbol
—
T
stg
—
Value
–40 to +85
–40 to +125
7.0
Unit
°C
°C
V
Figure 2. Pin Diagram
Table 1. Pin Descriptions
Symbol
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Pin
R
D1
V
PU
UF
D2
GND
AOU
AIN
DF
PD
U2
U1
V
CC
Description
Common Reference Signal Input
Detector #1 Output
Common Variable Signal Input
Diode Cathode
Diode Anode
Detector #2 Output
Power Supply Ground
Amplifier Output
Amplifier Input
Charge Pump Output
Charge Pump Input
Detector #2 Output
Detector #1 Output
Positive Power Supply
Truth Table
This table is not strictly a functional truth table; i.e., it
does not show all possible modes of operation. It is
included as an aid for dc testing.
Table 2. Truth Table
Input
State
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
Input
R
V
0
0
1
0
1
1
1
0
0
0
1
0
0
0
1
0
0
0
0
1
0
0
0
1
0
0
0
1
0
0
1
0
0
0
U1
x
x
x
x
x
x
0
0
0
0
1
1
1
1
1
1
1
Output
D1
U2
x
1
x
0
x
1
x
0
x
1
x
0
1
1
1
0
1
1
1
1
1
1
1
1
0
1
0
1
0
1
0
0
1
1
D2
1
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Notes:
x indicates output state unknown.
U1 and D1 outputs are sequential, i.e., they must be sequenced in
the order shown.
U2 and D2 outputs are combinational, i.e., they need only inputs to
obtain the desired output state.
2
Lucent Technologies Inc.
Preliminary Data Sheet
August 1998
LUCDA4044 Phase Frequency Detector
Electrical Characteristics
Table 3. Electrical Characteristics
(at 25
°C)
Parameter
Output Voltage High (pins 2, 6, 12, 13)
Output Voltage Low (pins 2, 6, 12, 13)
Input Voltage High (pins 1, 3, 11)
Input Voltage Low (pins 1, 3, 11)
Input Current Low #1 (pins 1 and 3)
Input Current Low #2 (pin 11)
Input Current High #1 (pins 1 and 3)
Input Current High #2 (pin 11)
Input Current High (pins 1, 3, 11)
Clamp Voltage (pins 1, 3, 11)
Output Current (pins 2, 6, 12, 13)
Forward Diode Voltage (pin 5)
Reverse Diode Voltage (pin 4)
Output Voltage High (pin 10)
Output Voltage Low (pin 10)
Output Current (pin 8)
Output Current (pin 8)
Symbol
V
OH
V
OL
V
IH
V
IL
I
IL1
I
IL2
I
IH1
I
IH2
I
IHH
Vclamp
I
OS
V
DF
V
DR
V
OH
V
OL
I
OLK
I
O
Test Conditions
I
OH
= –1.6 mA
V
CC
= 4.75 V
I
OL
= 16 mA
V
CC
= 4.75 V
V
CC
= 4.75 V
V
CC
= 4.75 V
V
IL
= 0.4 V
V
CC
= 5.25 V
V
IL
= 0.4 V
V
CC
= 5.25 V
V
IH
= 2.4 V
V
CC
= 5.25 V
V
IH
= 2.4 V
V
CC
= 5.25 V
V
IH
= 5.25 V
V
CC
= 5.25 V
I
IN
= –18 mA
V
CC
= 4.75 V
V
OL
= 0 V*
V
CC
= 5.25 V
I
IN
= 1 mA
V
CC
= 5.25 V
I
IN
= 5 µA
V
CC
= 5.25 V
I
OH
= –1 mA
V
CC
= 4.75 V
I
OL
= 100 µA
V
CC
= 4.75 V
V
A
= 0 V
V
CC
= 5.25 V
I
A
= 10 µA
V
CC
= 5.25 V
Min
2.4
—
2.0
—
—
—
—
—
—
—
–30
0.4
5.25
2.5
Typ
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
5.25
—
Max
—
0.4
—
0.8
–2.4
–0.8
120
40
1.0
–1.5
–85
1.0
—
—
0
120
—
Unit
V
V
V
V
mA
mA
µA
µA
mA
V
mA
V
V
V
V
µA
mA
* Pins 2 and 13 are prone to change state; care must be taken during testing.
Lucent Technologies Inc.
3
LUCDA4044 Phase Frequency Detector
Preliminary Data Sheet
August 1998
Outline Diagrams
14-Pin SONB
Dimensions are in millimeters.
L
N
B
1
PIN #1 IDENTIFIER ZONE
W
H
SEATING PLANE
0.10
1.27 TYP
0.51 MAX
0.28 MAX
0.61
5-4414F
Package
Description
Number of Pins
"N"
Maximum
Length "L"
Package Dimensions
Maximum Width Maximum Width
Without Leads Including Leads
"W"
"B"
4.01
6.17
SONB
(Small Outline
Narrow Body)
14
8.84
Maximum
Height Above
Board
"H"
1.73
4
Lucent Technologies Inc.
Preliminary Data Sheet
August 1998
LUCDA4044 Phase Frequency Detector
Outline Diagrams
(continued)
14-Pin DIP
Dimensions are in millimeters.
L
N
B
1
PIN #1 IDENTIFIER ZONE
W
H
SEATING PLANE
0.38 MIN
2.54 TYP
0.58 MAX
5-4410F
Package Description
Number
of
Pins
"N"
14
PDIP3
(Plastic Dual Inline Package)
(0.300" Series)
Maximum
Length
"L"
20.57
Package Dimensions
Maximum
Maximum Width Maximum Width
Including Leads Height Above
Without Leads
Board "H"
"W"
"B"
6.47
7.87
5.08
Lucent Technologies Inc.
5
