Datasheet MC12083D, MC12083P Datasheet (Motorola)

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SEMICONDUCTOR TECHNICAL DATA

1

REV 2

 Motorola, Inc. 1997

1/97

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The MC12083 is a ÷2 prescaler for low power frequency division of a

1.1GHz high frequency input signal. On–chip output termination provides
output current to drive a 2pF (typical) high impedance load. If additional
drive is required for the prescaler output, an external resistor can be
added parallel from the OUT Pin to GND to increase the output power.
Care must be taken not to exceed the maximum allowable current
through the output.

Stand–By mode is featured to reduce current drain to 250µA typical

when the stand–by pin SB is switched LOW disabling the prescaler.

• 1.1GHz Toggle Frequency

• Supply Voltage 2.7V to 5.5V

• Low Power 4.5mA Typical at V

CC

= 2.7V

• Operating Temperature –40 to +85°C

• On–Chip Termination

8

1

IN

IN

7

2

SB

V

CC

6

3

NC

NC

5

4

GND

OUT

Pinout: 8–Lead Plastic (Top View)

A LOW on the Stand–By Pin 7 disables the device.

MAXIMUM RATINGS

Symbol

Parameter Value Unit

V

CC

Power Supply Voltage, Pin 2 –0.5 to +7.0 VDC

T

A

Operating Temperature Range –40 to +85 °C

T

stg

Storage Temperature Range –65 to +150 °C

I

O

Maximum Output Current, Pin 4 10.0 mA



MECL PLL COMPONENTS

÷2

PRESCALER

WITH STAND–BY MODE

P SUFFIX

8–LEAD PLASTIC PACKAGE

CASE 626–05

D SUFFIX

8–LEAD PLASTIC SOIC PACKAGE

CASE 751–05

MC12083

MOTOROLA HIPERCOMM

BR1334 — Rev 4

2

ELECTRICAL CHARACTERISTICS (VCC = 2.7 to 5.5V; TA = –40 to +85°C)

Symbol Parameter Min Typ Max Unit

ft Toggle Frequency (Sine Wave) 0.1 1.4 1.1 GHz
I

CC

Supply Current Output (Pin 2) VCC = 3.0V

VCC = 5.5V

4.4

4.8

6.5

6.5

mA

ISB Standby Current VCC = 3.0V

VCC = 5.5V

250
500

350
600

µA

V

IH

Standby Input HIGH (SB) 2.0 V

CC

V

V

IL

Standby Input LOW (SB) GND 0.8 V

V

OUT

Output Voltage Swing (Note 1.) 2pF Load @ 500MHz Input

2pF Load @ 750MHz Input

2pF Load @ 1100MHz Input

700
600
400

800
700
450

mV

PP

V

IN

Input Voltage Sensitivity 100–250MHz

250–400MHz

400–1 100MHz

400
200
100

1000
1000
1000

mV

PP

1. Assume 2pF load, VCC = 2.7V , VIN =minimum specification for each frequency band, TA = 85°C

Figure 1. AC Test Circuit

EXTERNAL COMPONENTS
C1 = C2 = 1000pF
C3 = 0.1

µ

F

2pF

C2

C1

C3

VCC = 2.7 to 5.5V

50

Ω

Sine Wave Generator

V

CC

OUT

GND

IN

IN

SB

MC12083

HIPERCOMM
BR1334 — Rev 4

3 MOTOROLA

Figure 2. Input Signal Amplitude versus Input Frequency

Divide Ratio = 2; VCC = 2.7V; TA = 25°C; Output Loaded With 2pF

+15.0
+10.0

+5.0

0

–5.0
–10.0
–15.0
–20.0
–25.0
–30.0
–35.0
–40.0
–45.0
–50.0

+1257.40

+0.71

+1.26

+2.24

+3.98

+7.07

+12.57

+22.36

+39.76

+70.71

+125.74

+223.61

+397.64

+707.11

0

FREQUENCY (MHz)

AMPLITUDE (dBm)

MILLIVOL TS (rms)

OPERATING

WINDOW

100 200 300 400 500 600 700 800 1000 1100 1200 1300 1400900

1500

300

400

500

600

700

800

900

1000

1100

1200

1300

1400

100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500

Figure 3. 12083 Output Peak–to–Peak at 2pF Load

2.7V P-P +85

5.0V P-P +85

5.0V P-P +25

2.7V P-P –40

2.7V P-P +25

5.0V P-P –40

INPUT FREQUENCY, (MHz)

OUTPUT VOLTAGE P-P, (mV)

V

OUT

WINDOW

MC12083

MOTOROLA HIPERCOMM

BR1334 — Rev 4

4

OUTLINE DIMENSIONS

P SUFFIX

PLASTIC PACKAGE

CASE 626–05

ISSUE K

D SUFFIX

PLASTIC SOIC PACKAGE

CASE 751–05

ISSUE R

SEATING
PLANE

1

4

58

A0.25MCB

SS

0.25MB

M

h

q

C

X 45

_

L

DIM MIN MAX

MILLIMETERS

A 1.35 1.75

A1 0.10 0.25

B 0.35 0.49
C 0.18 0.25
D 4.80 5.00
E

1.27 BSCe

3.80 4.00

H 5.80 6.20
h

0 7

L 0.40 1.25

q

0.25 0.50

__

NOTES:

1. DIMENSIONING AND TOLERANCING PER ASME
Y14.5M, 1994.

2. DIMENSIONS ARE IN MILLIMETERS.

3. DIMENSION D AND E DO NOT INCLUDE MOLD
PROTRUSION.

4. MAXIMUM MOLD PROTRUSION 0.15 PER SIDE.

5. DIMENSION B DOES NOT INCLUDE MOLD
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 TOTAL IN EXCESS
OF THE B DIMENSION AT MAXIMUM MATERIAL
CONDITION.

D

E

H

A

B

e

B

A1

C

A

0.10

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.

14

58

F

NOTE 2

–A–

–B–

–T–

SEATING
PLANE

H

J

G

D

K

N

C

L

M

M

A

M

0.13 (0.005) B

M

T

DIM MIN MAX MIN MAX

INCHESMILLIMETERS

A 9.40 10.16 0.370 0.400
B 6.10 6.60 0.240 0.260
C 3.94 4.45 0.155 0.175
D 0.38 0.51 0.015 0.020
F 1.02 1.78 0.040 0.070
G 2.54 BSC 0.100 BSC
H 0.76 1.27 0.030 0.050
J 0.20 0.30 0.008 0.012
K 2.92 3.43 0.115 0.135
L 7.62 BSC 0.300 BSC
M ––– 10 ––– 10
N 0.76 1.01 0.030 0.040

__

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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
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data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals”
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MC12083/D

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