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IDT2308A

3.3V ZERO DELAY CLOCK MULTIPLIER

Integrated Device Technology 

IDT2308A

3.3V ZERO DELAY CLOCK MULTIPLIER

COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES

SWITCHING CHARACTERISTICS - COMMERCIAL

Symbol Parameter

Conditions

t1

Output Frequency

30pF Load, all devices

t1

Output Frequency

20pF Load, -1H, -2H Devices

t1

Output Frequency

15pF Load, -1, -2, -3, -4 devices

Duty Cycle = t2 ÷ t1

(-1, -2, -3, -4, -1H, -2H)

Measured at 1.4V, FOUT = 66.66MHz

30pF Load

Duty Cycle = t2 ÷ t1

(-1, -2, -3, -4, -1H, -2H)

Measured at 1.4V, FOUT = 50MHz

15pF Load

t3

Rise Time (-1, -2, -3, -4)

Measured between 0.8V and 2V, 30pF Load

t3

Rise Time (-1, -2, -3, -4)

Measured between 0.8V and 2V, 15pF Load

t3

Rise Time (-1H, -2H)

Measured between 0.8V and 2V, 30pF Load

t4

Fall Time (-1, -2, -3, -4)

Measured between 0.8V and 2V, 30pF Load

t4

Fall Time (-1, -2, -3, -4)

Measured between 0.8V and 2V, 15pF Load

t4

Fall Time (-1H)

Measured between 0.8V and 2V, 30pF Load

t5

Output to Output Skew on same Bank

All outputs equally loaded

(-1, -2, -3, -4)

Output to Output Skew (-1H, -2H)

All outputs equally loaded

Output Bank A to Output Bank B (-1, -4, -2H)

All outputs equally loaded

Output Bank A to Output Bank B Skew (-2, -3)

All outputs equally loaded

t6

Delay, REF Rising Edge to FBK Rising Edge

Measured at VDD/2

t7

Device to Device Skew

Measured at VDD/2 on the FBK pins of devices

t8

Output Slew Rate

Measured between 0.8V and 2V on -1H, -2H

device using Test Circuit 2

tJ

Cycle to Cycle Jitter

(-1, -1H, -4)

Measured at 66.67 MHz, loaded outputs, 15pF Load

Measured at 66.67 MHz, loaded outputs, 30pF Load

Measured at 133.3 MHz, loaded outputs, 15pF Load

tJ

Cycle to Cycle Jitter

Measured at 66.67 MHz, loaded outputs, 30pF Load

(-2, -2H, -3)

Measured at 66.67 MHz, loaded outputs, 15pF Load

tLOCK PLL Lock Time

Stable Power Supply, valid clocks presented

on REF and FBK pins

Min.

Typ. Max. Unit

10

—

100 MHz

10

—

133.3 MHz

10

—

133.3 MHz

40

50

60

%

45

50

55

%

—

—

2.2

ns

—

—

1.5

ns

—

—

1.5

ns

—

—

2.2

ns

—

—

1.5

ns

—

—

1.25

ns

—

—

200

ps

—

—

200

ps

—

—

200

ps

—

—

400

ps

—

0

±250

ps

—

0

700

ps

1

—

—

V/ns

—

—

200

—

—

200

ps

—

—

100

—

—

400

ps

—

—

400

—

—

1

ms

5

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