SI531 Просмотр технического описания (PDF) - Unspecified

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производитель

SI531

CRYSTAL OSCILLATOR (XO) (10 MHZ TO 1.4 GHZ)

Unspecified 

Si530/531

Table 2. CLK± Output Frequency Characteristics (Continued)

Parameter

Symbol

Test Condition

Min Typ Max Unit

Total Stability

Temp stability = ±7 ppm

—

—

±20 ppm

Temp stability = ±20 ppm

—

— ±31.5 ppm

Temp stability = ±50 ppm

—

— ±61.5 ppm

Powerup Time4

tOSC

—

—

10

ms

Notes:

1. See Section 3. "Ordering Information" on page 7 for further details.

2. Specified at time of order by part number. Also available in frequencies from 970 to 1134 MHz and 1213 to 1417 MHz.

3. Selectable parameter specified by part number.

4. Time from powerup or tristate mode to fO.

Table 3. CLK± Output Levels and Symmetry

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

LVPECL Output Option1

VO

VOD

VSE

LVDS Output Option2

VO

mid-level

swing (diff)

swing (single-ended)

mid-level

VDD – 1.42

1.1

0.55

1.125

—

—

—

1.20

VDD – 1.25 V

1.9

VPP

0.95

VPP

1.275

V

VOD

swing (diff)

0.5

0.7

0.9

VPP

CML Output Option2

2.5/3.3 V option mid-level

VO

1.8 V option mid-level

—

VDD – 1.30

—

—

VDD – 0.36

—

V

V

CMOS Output Option3

2.5/3.3 V option swing (diff)

VOD

1.8 V option swing (diff)

1.10

0.35

1.50

0.425

VOH

IOH = 32 mA

0.8 x VDD

—

1.90

VPP

0.50

VPP

VDD

V

VOL

IOL = 32 mA

—

—

0.4

V

Rise/Fall time (20/80%)

tR, tF

LVPECL/LVDS/CML

—

—

350

ps

CMOS with CL = 15 pF

—

1

—

ns

Symmetry (duty cycle)

SYM LVPECL:

VDD – 1.3 V

(diff)

LVDS:

1.25 V (diff)

45

—

55

%

CMOS:

VDD/2

Notes:

1. 50  to VDD – 2.0 V.

2. Rterm = 100  (differential).

3. CL = 15 pF

Rev. 1.5

3

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