DSC400 datasheet(9/20 Pages) MICROCHIP

tên linh kiện	DSC400

Giải thích chi tiết về linh kiện	Configurable Four Output, Low Jitter Crystal-less??Clock Generator

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nhà sản xuất	MICROCHIP [Microchip Technology]

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 2016 Microchip Technology Inc.

DS20005612A-page 9

DSC400

4.4

LVCMOS

FIGURE 4-4:

Typical LVCMOS Termination Scheme.

RS is a series resistor implemented to match the trace impedance to that of the clock output. Depending on the board

layout, the value may range from 0Ω to 27Ω.

Note 1:

See the Output Waveform section for more information.

The addition of IDDCORE and IDDIO provides the total current consumption of the device.

TABLE 4-4:

LVCMOS OUTPUTS

Parameter

Symbol

Min.

Typ.

Max.

Units

Condition

Output Logic

Levels

VOH

0.9 x VDD

—

Output Logic High, I = ±6 mA

VOL

—

0.1 x VDD

Output Logic Low, I = ±6 mA

Output

Transition Time

(Note 1)

—

1.1

2.0

Rise Time, 20% to 80%, CL= 15 pF

—

1.3

2.0

Fall Time, 20% to 80%, CL= 15 pF

Frequency

2.3

—

170

MHz

All Temperature Ranges, Except

Automotive

—

100

Automotive Temperature Range

Output Duty

Cycle

SYM

—

IO Supply

Current (Note 2)

IDDIO

—

Per Output at 125 MHz, CL = 15 pF

Period Jitter

JPER

—3—

psRMS CLK(0:3) = 125 MHz

Integrated

Phase Noise

JPH

—0.3

—

psRMS 200 kHz to 20 MHz @ 125 MHz

—

0.38

—

100 kHz to 20 MHz @ 125 MHz

—

1.7

2.0

12 kHz to 20 MHz @125 MHz

50 Ω

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