CF5072BA datasheet(6/8 Pages) NPC

tên linh kiện	CF5072BA

Giải thích chi tiết về linh kiện	155MHz VCXO Module IC

PDF	8 Pages

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nhà sản xuất	NPC [Nippon Precision Circuits Inc]

Trang chủ	http://www.npc.co.jp/en

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CF5072BA

SEIKO NPC CORPORATION —6

AC Characteristics

Recommended operating conditions apply unless otherwise noted

Parameter

Symbol

Conditions

Rating

Unit

Min

Typ

Max

Output duty cycle 1

Duty1

Measurement circuit 1, measured at output

crossing point, Ta = 25

°C, VDD = 3.3V

Output duty cycle 2

Duty2

Measurement circuit 1, measured at 50% output

swing, Ta = 25

°C, VDD = 3.3V

Output swing

VOpp

Measurement circuit 1, peak-to-peak of output

waveform

0.4

–

Output rise time

Measurement circuit 1, output swing 20% to 80%

–

0.5

Output fall time

Measurement circuit 1, output swing 80% to 20%

–

0.5

Output enable delay time

tOE

Measurement circuit 3, Ta = 25

°C

–

200

Output disable delay time

tOD

Measurement circuit 3, Ta = 25

°C

–

200

Figure 1. PECL output waveform

Figure 2. OE timing waveform (Differential LVPECL)

OUTN

OUT

80%

20%

VDD – 2V

VSS

VDD

tPER

DUTY1 = (

tW/tPER) 100

tOE

tOD

VDD

GND

VDD/2

VDD

GND

OUT

OUTN

LOW-level

(High impedance)

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