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IDT2308B

3.3V ZERO DELAY CLOCK MULTIPLIER

Integrated Device Technology 

IDT2308B

3.3V ZERO DELAY CLOCK MULTIPLIER

COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES

SWITCHING CHARACTERISTICS - COMMERCIAL

Symbol Parameter

Conditions

t1

Output Frequency

t1

Output Frequency

t1

Output Frequency

Duty Cycle = t2 ÷ t1

(-1, -2, -3, -4, -1H, -2H, -5H)

30pF Load, all devices

20pF Load, -1H, -2H, -5H Devices(1)

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

Measured at 1.4V, FOUT = 66.66MHz

30pF Load

Duty Cycle = t2 ÷ t1

(-1, -2, -3, -4, -1H, -2H, -5H)

t3

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

t3

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

t3

Rise Time (-1H, -2H, -5H)

t4

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

t4

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

t4

Fall Time (-1H, -5H)

t5

Output to Output Skew on same Bank

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

Measured at 1.4V, FOUT = 50MHz

15pF Load

Measured between 0.8V and 2V, 30pF Load

Measured between 0.8V and 2V, 15pF Load

Measured between 0.8V and 2V, 30pF Load

Measured between 0.8V and 2V, 30pF Load

Measured between 0.8V and 2V, 15pF Load

Measured between 0.8V and 2V, 30pF Load

All outputs equally loaded

Output to Output Skew (-1H, -2H, -5H)

All outputs equally loaded

Output Bank A to Output Bank B (-1, -4, -2H, -5H) 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

t8

Output Slew Rate

tJ

Cycle to Cycle Jitter

(-1, -1H, -4, -5H)

Measured at VDD/2 on the FBK pins of devices

Measured between 0.8V and 2V on -1H, -2H, -5H

device using Test Circuit 2

Measured at 66.67 MHz, loaded outputs, 15pF Load

Measured at 66.67 MHz, loaded outputs, 30pF Load

tJ

Cycle to Cycle Jitter

(-2, -2H, -3)

tLOCK PLL Lock Time

Measured at 133.3 MHz, loaded outputs, 15pF Load

Measured at 66.67 MHz, loaded outputs, 30pF Load

Measured at 66.67 MHz, loaded outputs, 15pF Load

Stable Power Supply, valid clocks presented

on REF and FBK pins

NOTE:

1. IDT2308B-5H has maximum input frequency of 133.33 MHz and maximum output of 66.67MHz.

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

6

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