Order this document by MC12032A/D
Consider MC12054A for New Design
2.0GHz Dual Modulus Prescaler
The MC12032A can be used with CMOS synthesizers requiring positive
edges to trigger internal counters such as Motorola’s MC145XXX series in a
PLL to provide tuning signals up to 2.0 GHz in programmable frequency
steps.
The MC12032B can be used with CMOS synthesizers requiring negative
edges to trigger internal counters.
A Divide Ratio Control (SW) permits selection of a 64/65 or 128/129 divide
ratio as desired.
The Modulus Control (MC) selects the proper divide number after SW has
been biased to select the desired divide ratio.
NOTE: The “B” Version Is Not Recommended for New Designs
MC12032A
MC12032B
MECL PLL COMPONENTS
÷64/65, ÷128/129
DUAL MODULUS PRESCALER
SEMICONDUCTOR
TECHNICAL DATA
•
•
•
•
•
•
2.0 GHz Toggle Frequency
Supply Voltage 4.5 to 5.5 V
MC12032A for Positive Edge Triggered Synthesizers
12 mA Maximum, –40 to 85°C, V
CC
= 5.5 Vdc
Modulus Control Input Level Is Compatible
With Standard CMOS and TTL
Low–Power 8.5 mA Typical
8
1
D SUFFIX
PLASTIC PACKAGE
CASE 751
(SO–8)
FUNCTIONAL TABLE
SW
H
H
L
L
MC
H
L
H
L
Divide Ratio
64
65
128
129
8
1
NOTES:
1. SW: H = V
CC
, L = Open. A logic L can also be applied by grouunding this pin,
but this is not recommended due to increased power soncumption.
2. MC: H = 2.0 V to V
CC
, L = GND to 0.8 V.
P SUFFIX
PLASTIC PACKAGE
CASE 626
DESIGN GUIDE
Criteria
Internal Gate Count*
Internal Gate Propagation Delay
Internal Gate Power Dissipation
Speed Power Product
NOTE:
* Equivalent to a two–input NAND gate
Value
67
200
0.75
0.15
Unit
ea
ps
mW
pJ
IN
V
CC
SW
OUT
Unit
Vdc
°C
°C
Vdc
Device
MC12032AD
MC12032AP
MC12032BD
MC120328BP
©
Motorola, Inc. 1997
1
2
3
4
8
7
6
5
PIN CONNECTIONS
MAXIMUM RATINGS
Characteristic
Power Supply Voltage, Pin 2
Operating Temperature Range
Storage Temperature Range
Modulus Control Input, Pin 6
NOTE:
ESD data available upon request.
IN
NC
MC
Gnd
(Top View)
Symbol
V
CC
T
A
T
stg
MC
Range
–0.5 to 7.0
–40 to 85
–65 to 150
–0.5 to 6.5
ORDERING INFORMATION
Operating
Temp Range
Package
SO–8
T
A
=–40° to +85°C
Plastic
SO–8
Plastic
Rev 3
MC12032A MC12032B
ELECTRICAL CHARACTERISTICS
(V
CC
= 4.5 to 5.5 V; T
A
= –40 to 85°C, unless otherwise noted)
Characteristic
Toggle Frequency (Sine Wave Input)
Supply Current Output Unloaded (Pin 2)
Modulus Control Input High (MC)
Modulus Control Input Low (MC)
Divide Ratio Control Input High (SW)
Divide Ratio Control Input Low (SW)
Output Voltage Swing (C
L
= 12 pF; R
L
= 2.2 kΩ)
Modulus Setup Time MC to Out
Input Voltage Sensitivity 500–2000 MHz
Output Current (C
L
= 12 pF; R
L
= 2.2 kΩ)
Symbol
f
t
I
CC
V
IH1
V
IL1
V
IH2
V
IL2
V
out
t
set
V
in(min)
I
O
Min
0.5
–
2.0
–
V
CC
Open
1.0
–
100
–
Typ
2.4
8.5
–
–
V
CC
Open
1.6
8.0
–
1.5
Max
2.0
12
V
CC
0.8
V
CC
Open
–
10
1500
4.0
Unit
GHz
mA
V
V
Vdc
—
V
pp
ns
mVpp
mA
Figure 1. Logic Diagram (MC12032A)
Figure 2. Modulus Setup Time
D
A
C
Q
D
B
Q
D
C
Q
QB
Prop. Delay
In
QB
C
QB
C M
In
In
Out
MC
MC Setup
D
D
C
QB
C
Q
D
QB
E
Q
C
D
F
QB
C
Q
D
QB
G
Q
D
H
C S Q
QB
MC
Out
MC Release
Modulus setup time MC to out is the MC
setup or MC release plus the prop delay.
SW
Figure 3. Typical Output Waveforms
500 m
≈
20 ns
500 m
≈
20 ns
(÷64, 500 MHz Input Frequency, V
CC
= 5.0 V, T
A
= 25°C, Output Loaded)
(÷128, 1.1 GHz Input Frequency, V
CC
= 5.0 V, T
A
= 25°C, Output Loaded)
2
MOTOROLA RF/IF DEVICE DATA
MC12032A MC12032B
OUTLINE DIMENSIONS
8
5
–B–
1
4
P SUFFIX
PLASTIC PACKAGE
CASE 626–05
ISSUE K
NOTES:
1. DIMENSION L TO CENTER OF LEAD WHEN
FORMED PARALLEL.
2. PACKAGE CONTOUR OPTIONAL (ROUND OR
SQUARE CORNERS).
3. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
F
NOTE 2
–A–
L
DIM
A
B
C
D
F
G
H
J
K
L
M
N
C
–T–
SEATING
PLANE
J
N
D
K
M
M
T A
B
H
G
0.13 (0.005)
M
M
MILLIMETERS
MIN
MAX
9.40
10.16
6.10
6.60
3.94
4.45
0.38
0.51
1.02
1.78
2.54 BSC
0.76
1.27
0.20
0.30
2.92
3.43
7.62 BSC
–––
10
_
0.76
1.01
INCHES
MIN
MAX
0.370
0.400
0.240
0.260
0.155
0.175
0.015
0.020
0.040
0.070
0.100 BSC
0.030
0.050
0.008
0.012
0.115
0.135
0.300 BSC
–––
10
_
0.030
0.040
A
8
D
5
D SUFFIX
PLASTIC PACKAGE
CASE 751–06
(SO–8)
ISSUE T
C
E
1
4
H
0.25
M
B
M
NOTES:
1. DIMENSIONING AND TOLERANCING PER ASME
Y14.5M, 1994.
2. DIMENSIONS ARE IN MILLIMETER.
3. DIMENSION D AND E DO NOT INCLUDE MOLD
PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 PER SIDE.
5. DIMENSION B DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 TOTAL IN EXCESS
OF THE B DIMENSION AT MAXIMUM MATERIAL
CONDITION.
DIM
A
A1
B
C
D
E
e
H
h
L
MILLIMETERS
MIN
MAX
1.35
1.75
0.10
0.25
0.35
0.49
0.19
0.25
4.80
5.00
3.80
4.00
1.27 BSC
5.80
6.20
0.25
0.50
0.40
1.25
0
_
7
_
h
B
C
e
A
SEATING
PLANE
X 45
_
q
L
0.10
A1
B
0.25
M
C B
S
A
S
q
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◊
MOTOROLA RF/IF DEVICE DATA
MC12032A/D
5