ICS83905 데이터 시트보기 (PDF) - Integrated Circuit Systems

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ICS83905

LOW SKEW, 1:6 CRYSTAL INTERFACE-TO-LVCMOS / LVTTL FANOUT BUFFER

Integrated Circuit Systems 

Integrated

Circuit

Systems, Inc.

PRELIMINARY

ICS83905

LOW SKEW, 1:6 CRYSTAL INTERFACE-TO-

LVCMOS / LVTTL FANOUT BUFFER

TABLE 5E. AC CHARACTERISTICS, VDD = 3.3V±5%, VDDO = 1.8V±0.2V, TA = 0°C TO 70°C

Symbol Parameter

Test Conditions Minimum Typical Maximum Units

Using External Crystal

fMAX

Output Frequency

Using External Clock Source

10

50

MHz

DC

100 MHz

tPW

tPER

tsk(o)

Output Pulse Width

Output Period

Output Skew; NOTE 3, 5

50

%

TBD

10

ps

tR/ tF

Output Rise/Fall Time

tEN

Output Enable Time; ENABLE 1

NOTE 4

ENABLE 2

20% to 80%

550

ps

TBD

ms

TBD

ms

tDIS

Output Disable Time; ENABLE 1

NOTE 4

ENABLE 2

TBD

ms

TBD

ms

AOSC

XTAL_IN to XTAL_OUT Oscillator Gain

Phase Loop Phase Shift Modulo 360°+

TBD

db

TBD

°

See notes from Table 5A.

TABLE 5F. AC CHARACTERISTICS, VDD = 2.5V±5%, VDDO = 1.8V±0.2V, TA = 0°C TO 70°C

Symbol Parameter

Test Conditions Minimum Typical Maximum Units

Using External Crystal

fMAX

Output Frequency

Using External Clock Source

10

50

MHz

DC

100 MHz

odc

Output Duty Cycle

50

%

tPER

tsk(o)

Output Period

Output Skew; NOTE 3, 5

TBD

10

ps

tR/ tF

Output Rise/Fall Time

tEN

Output Enable Time; ENABLE 1

NOTE 4

ENABLE 2

20% to 80%

550

ps

TBD

ms

TBD

ms

t

DIS

Output Disable Time; ENABLE 1

NOTE 4

ENABLE 2

TBD

ms

TBD

ms

AOSC

XTAL_IN to XTAL_OUT Oscillator Gain

Phase Loop Phase Shift Modulo 360°+

TBD

db

TBD

°

See notes from Table 5A.

83905AM

http://www.icst.com/products/hiperclocks.html

7

REV. A JANUARY 20, 2005

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