MC44145 Ver la hoja de datos (PDF) - Motorola => Freescale

Número de pieza

componentes Descripción

Fabricante

MC44145

Pixel Clock Generator/Sync Separator

Motorola => Freescale 

MC44145

ELECTRICAL CHARACTERISTICS (continued)

Characteristic

Note

Pin

Min

Typ

Max

Unit

SYNC SEPARATOR (VCC = 5.0 V; TA = 25°C, unless otherwise specified.)

VCO (VCC = 5.0 V; TA = 25°C, unless otherwise specified, divider disabled.)

Fmin

1, 5

7, 8, 14

–

–

10

MHz

Fmax

1, 4

7, 8, 14

39

42

–

MHz

Control Range

2

14

1.0

–

4.0

V

Transfer Function

1

7, 8, 14

–

14

–

MHz/V

Input Resistance

Charge Pump

9

14

0.5

–

–

MΩ

6

1, 14

–

40

–

µA

7

–

80

–

Phase Jitter

8

7, 9

–

–

3.0

ns

INPUT BUFFERS (Fref AND NBACK) (TA = 25°C, unless otherwise specified.)

Threshold (TTL Compatible)

–

9, 13

–

2.5

–

V

Input Current

–

9, 13

–

–

1.0

µA

OUTPUT BUFFER CLOCK (TA = 25°C, unless otherwise specified.)

Sync Amplifier Output High Level

1.0 mA

10

2.4

3.0

–

V

Source

Sync Amplifier Output Low Level

1.0 mA Sink

10

–

0.2

0.4

V

Rise Time

11

10

–

–

6.0

ns

Fall Time

11

10

–

–

6.0

ns

Load Capacitance

10

10

–

15

–

pF

NOTES: 1. Internal divider disabled.

2. 0 V stops the oscillator.

3. Divider ÷2 active.

4. VC = 4.0 V.

5. VC = 1.0 V.

6. PFD gain low.

7. PFD gain high.

8. VCO alone.

9. VC = 4.0 V, charge pumps off.

10. 2 LSTTL loads.

11. With cap load 15 pF and between 10 and 90% of 0.4 and 2.4 V.

MOTOROLA ANALOG IC DEVICE DATA

3

Share Link: