MC145190

•MC145191

MOTOROLA

6

Sb l

P

T

C

di i

Figure

Guaranteed

Operating Range

Ui

Symbol

Parameter

Test Condition

Figure

No.

Min

Max

Unit

Vin

Input Voltage Range, fin

100 MHz

≤ fin < 250 MHz

250 MHz

≤ fin ≤ 1100 MHz

7

400

200

1500

1500

mV p–p

fref

Input Frequency Range, REFin

MC145190

Externally Driven in

Reference Mode

MC145191

Vin ≥ 400 mV p–p

Vin ≥ 1 V p–p

Vin ≥ 400 mV p–p

Vin ≥ 1 V p–p

8

13

6*

12

4.5*

27

27

27

27

MHz

fXTAL

Crystal Frequency, Crystal Mode

C1

≤ 30 pF, C2 ≤ 30 pF, Includes

Stray Capacitance

9

2

15

MHz

fout

Output Frequency, REFout

CL = 30 pF

10, 12

dc

10

MHz

f

Operating Frequency of the Phase Detectors

dc

2

MHz

tw

Output Pulse Width,

φR, φV, LD

MC145190

MC145191

fR in Phase with fV, CL = 50 pF,

VPD = 5.5 V, VDD = VCC = 5.0 V

11, 12

17

85

ns

tTLH,

tTHL

Output Transition Times, LD,

φV,

φR — MC145191

CL = 50 pF, VPD = 5.5 V,

VDD = VCC = 5.0 V

11, 12

—

65

ns

Cin

Input Capacitance, REFin

—

5

pF

*If lower frequency is desired, use wave shaping or higher amplitude sinusoidal signal.

SINE WAVE

GENERATOR

1000 pF

DEVICE

UNDER

TEST

1000 pF

TEST

POINT

V+

VCC

VDD

fin

fin

GND

OUTPUT A

Vin

50

Figure 7. Test Circuit

(fv)

SINE WAVE

GENERATOR

50

Ω

DEVICE

UNDER

TEST

0.01

µF

TEST

POINT

VCC

VDD

REFin

GND

OUTPUT A

Vin

Figure 8. Test Circuit — Reference Mode

(fR)

TEST

POINT

REFout

V+

DEVICE

UNDER

TEST

C1

TEST

POINT

VCC

VDD

OUTPUT A

GND

REFin

REFout

C2

Figure 9. Test Circuit — Crystal Mode

(fR)

V+

50%

REFout

1/f REFout

Figure 10. Switching Waveform