DSC400 datasheet(8/20 Pages) MICROCHIP

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DSC400

DS20005612A-page 8

 2016 Microchip Technology Inc.

4.3

HCSL

FIGURE 4-3:

Typical HCSL Termination Scheme.

RS is a series resistor implemented to match the trace impedance. Depending on the board layout, the value may range

from 0Ω to 30Ω.

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 4-3:

HCSL OUTPUTS

Parameter

Symbol

Min.

Typ.

Max.

Units

Condition

Output Logic

Levels

VOH

0.725

—

Output Logic High, RL = 50Ω

VOL

—

0.1

Output Logic Low, RL = 50Ω

Peak-to-Peak

Output Swing

—

750

—

Single-Ended

Output

Transition Time

(Note 1)

200

—

400

Rise Time, 20% to 80%, RL= 50Ω,

CL= 2 pF

200

—

400

Fall Time, 20% to 80%, RL= 50Ω,

CL= 2 pF

Frequency

2.3

—

460

MHz

Single Frequency

Output Duty

Cycle

SYM

—

Differential

IO Supply

Current (Note 2)

IDDIO

—

Per Output at 125 MHz.

Period Jitter

JPER

—2.5

—

psRMS —

Integrated

Phase Noise

JPH

—0.25—

psRMS 200 kHz to 20 MHz @ 156.25 MHz

—

0.37

—

100 kHz to 20 MHz @ 156.25 MHz

—

1.7

2.0

12 kHz to 20 MHz @156.25 MHz

100 Ω

50 Ω

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