PI6LC4840 datasheet(6/10 Pages) PERICOM

6 / 10 page

www.pericom.com

PS9076

01/03/11

PI6LC4840

Crystal to LVDS/LVCMOS Frequency Synthesizer

LVCMOS DC Electrical Characteristics (VDD = VDDO_QA = VDDO_QB = VDDO_QC = VDDO_REF = 3.3V ±5%, TA = -40°C

to 85°C)

Symbol Parameters

Conditions

Min.

Typ.

Max.

Units

Input High Voltage

DD + 0.3

Input Low Voltage

-0.3

0.8

Output High Voltage

OH = -12mA

2.6

Output Low Voltage

OL = 12mA

0.5

Input High Current

Mode_1, V

IN = VDD = 3.465V

(1)

µA

MR, Mode_2, Mode_0,

IN = VDD = 3.465V

150

Input Low Current

MR, Mode_2, Mode_0,

DD = 3.465V

-5

Mode_1, V

DD = 3.465V

(1)

-150

µA

Tri-State output current

µA

Internal pull up resistance

kΩ

Internal pull down resistance

kΩ

Output Impedance

Ω

Input Capacitance

5.5

OUT

Output Capacitance

1.5

1. With condition in Fig 2.

LVCMOS AC Characteristics (VDD = VDDO_QA = VDDO_QB = VDDO_QC = VDDO_REF = 3.3V ±5%, TA = -40°C to 85°C)

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Units

r/Tf

Output Rise/Fall time

20% to 80%, C

L = 15pF

50W load

1.15

Output Duty Cycle

DC = tH/tCY, tH = High Pulse Width,

CY = Output Cycle Time, @ VDD/2

phase

Integrated Phase Jitter

12kHz - 20MHz @125MHz

0.35

12kHz - 1MHz @25MHz

0.30

637kHz - 62.5MHz @125MHz

0.50

SK(0)

Output-output skew

Within a bank at the same supply and

with equal load

Output period jitter

Output Freq = 25MHz AND 50MHz

Output Freq = 125MHz

10-0249

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