MC145750VFU 查看數據表（PDF） - Motorola => Freescale

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MC145750VFU

QPSK Encoder

Motorola => Freescale 

SWITCHING CHARACTERISTICS (TA = 25°C)

Parameters

Symbol

Input Voltage

High–Level

VIH

Output Voltage

Low–Level

High–Level

VIL

VOH

Data Set–Up Time

Low–Level

VOL

tsu

Data Hold Time

th

Data Output Propagation Delay

tpd

I/Q Output Propagation Delay

TD

Data Rate

VDD = 3 V

VDD = 5 V

Clock Input Duty Cycle

VCO Oscillation Frequency

VDD = 3 V

VDD = 5 V

* Typical numbers are not guaranteed.

DCLK

fVCO1

fVCO2

Condition

BW, PNO

TXD, DS, STBY

TXD, DS, STBY

BW, PNO

Iout, Qout

DRATE = L

DRATE = H

DRATE = L

DRATE = H

Min

VDD x 0.7

—

VDD x 0.9

—

10

10

—

—

—

—

—

—

45

—

—

Typ*

—

—

—

—

—

—

1.5

4

—

—

—

—

50

—

—

Max

—

VDD x 0.3

—

VDD x 0.1

—

—

3

6

450

55

800

100

55

20

32

Unit

V

ns

µs

kbps

%

MHz

DS

DCLK

TXD

BW

Iout/Qout

PNO

tsu

tsu

tPD

1/fclk

th

tPD

tD

th

tsu

tsu

th

Figure 1. Timing Diagram

tPD

tD

MC145750

4

MOTOROLA

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