MC12018 Motorola, MC12018 Datasheet

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MC12018

Manufacturer Part Number
MC12018
Description
Manufacturer
Motorola
Datasheet

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520 MHz Dual Modulus Prescaler
An internal regulator is provided to allow this device to be used over a wide
range of power supply voltages. The devices may be operated by applying a
supply voltage of 5.0 Vdc 10% at Pin 7, or by applying an unregulated
voltage source from 5.5 Vdc to 9.5 Vdc to Pin 8.
The MC12018 is a dual modulus prescaler which divides by 128 and 129.
520 MHz Toggle Frequency
Low–Power 8.0 mA Typical
Control Input Is Compatible With Standard CMOS and TTL
Supply Voltage 4.5 V to 9.5 V
On–Chip 10 k Resistor from Positive Edge to Ground
Signal
Signal
Input
Gnd
1. V reg at Pin 7 is not guaranteed to be between 4.5 and
2. Pin 7 is not to be used as a source of regulated output
3. 10 k
SIMPLIFIED BLOCK DIAGRAM
Control
5.5 V when V CC is being applied to Pin 8
voltage
output (Pin 2)
Input
0.001 F
0.001 F
1
0.1 F
V reg
V CC
0.1 F
7
8
pulldown recommended with negative edge
5
6
Regulator
Voltage
N / N+1
10 k
3 POS
2
4
Edge
NEG
Edge
Gnd
MC12018D
MC12018P
Motorola, Inc. 1997
Device
MECL PLL COMPONENTS
128/129 DUAL MODULUS
ORDERING INFORMATION
MC12018
PIN CONNECTIONS
SEMICONDUCTOR
Temperature Range
T A = – 40 to +85 C
TECHNICAL DATA
Order this document by MC12018/D
PRESCALER
PLASTIC PACKAGE
PLASTIC PACKAGE
Gnd
NE
PE
IN
Operating
8
D SUFFIX
CASE 751
CASE 626
1
2
3
4
P SUFFIX
(Top View)
8
(SO–8)
1
1
8
7
6
5
V CC
V reg
S Gnd
S IN
Package
Plastic
SO–8
Rev 2

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MC12018 Summary of contents

Page 1

... MHz Dual Modulus Prescaler The MC12018 is a dual modulus prescaler which divides by 128 and 129. An internal regulator is provided to allow this device to be used over a wide range of power supply voltages. The devices may be operated by applying a supply voltage of 5.0 Vdc 10% at Pin applying an unregulated voltage source from 5 ...

Page 2

... PLL Response Time (Notes 1 and 2) t PLL = the period of time the PLL has from the prescaler rising output tranistion (50%) to the modulus control input edge transition NOTES: 1. (50%) to ensure proper modulus selection. t out = period of output waveform MC12018 Symbol Value Unit V reg 8.0 Vdc ...

Page 3

... SEATING PLANE MOTOROLA RF/IF DEVICE DATA MC12018 OUTLINE DIMENSIONS P SUFFIX PLASTIC PACKAGE NOTES: CASE 626–05 1. DIMENSION L TO CENTER OF LEAD WHEN ISSUE K 2. PACKAGE CONTOUR OPTIONAL (ROUND OR 3. DIMENSIONING AND TOLERANCING PER ANSI ...

Page 4

... Motorola, Inc. Motorola, Inc Equal Mfax is a trademark of Motorola, Inc. JAPAN: Nippon Motorola Ltd.: SPD, Strategic Planning Office, 141, 4–32–1 Nishi–Gotanda, Shagawa–ku, Tokyo, Japan. 03–5487–8488 ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd.; 8B Tai Ping Industrial Park, MOTOROLA RF/IF DEVICE DATA MC12018/D ...

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