MC12080 Просмотр технического описания (PDF) - Motorola => Freescale

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MC12080

1.1 GHz prescaler

Motorola => Freescale 

MC12080

ELECTRICAL CHARACTERISTICS (VCC = 4.5 to 5.5 V; TA = –40 to 85°C, unless otherwise noted.)

Parameter

Symbol

Min

Typ

Toggle Frequency (Sine Wave)

ft

0.1

1.4

Supply Current Output (Pin 2)

Input Voltage Sensitivity

ICC

–

3.7

100–250 MHz

Vin

400

–

250–1100 MHz

100

–

Divide Ratio Control Input High (SW1, SW2, SW3)

VIH

VCC – 0.5 V

Divide Ratio Control Input Low (SW1, SW2, SW3)

VIL

Open

Output Voltage Swing1

RL = 820 Ω, IO = 4.0 mA for ÷10

Vout

0.8

RL = 1.6 kΩ, IO = 2.1 mA for ÷20

RL = 3.3 kΩ, IO = 1.1 mA for ÷40

RL = 6.2 kΩ, IO = 0.57 mA for ÷80

NOTE: 1. Assumes 8.0 pF load and 1.1 GHz input frequency (typical), IO at VCC = 5.0 V and TA = 25°C

VCC

Open

1.2

Max

1.1

5.0

1000

1000

VCC + 0.5 V

Open

–

Unit

GHz

mA

mVpp

V

–

Vpp

Figure 1. Logic Diagram (MC12080)

DQ

DQ

DQ

In

In

C QB

C QB

C QB

1

D QB

D QB

D QB

D QB

0

CQ

CQ

CQ

CQ

Out

SW1

SW3

SW2

SINE WAVE GENERATOR

C1

IN

50 Ω

C2

IN

Figure 2. AC Test Circuit

VCC = 4.5 to 5.5 V

C3

VCC

SW1

SW2

SW3

OUT

GND

CL

RL

EXTERNAL COMPONENTS

C1 = C2 = 1000 pF

C3 = 0.1 µF

CL = 8.0 pF (Including Scope and Jig Capacitance)

RL = 820 Ω for ÷10 at 1.1 GHz

2

MOTOROLA RF/IF DEVICE DATA

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