CF5037B1-1 查看數據表（PDF） - Nippon Precision Circuits

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CF5037B1-1

2.5V LVDS Output Oscillator ICs

Nippon Precision Circuits  

CF5037 series

Switching Characteristics

3.3V operation

VCC = 3.0 to 3.6V, GND = 0V, Ta = −40 to +85°C unless otherwise noted.

Parameter

Symbol

Conditions

Rating*1

Unit

Min

Typ

Max

Output duty cycle

Measurement cct. 3, measured at

Duty 0V differential output (crossing

point), Ta = 25°C, VCC = 3.3V

f < 350MHz

f ≥ 350MHz

45

–

55

%

40

–

60

%

5037A1: f = 120MHz 0.35

–

–

V

5037B×: f = 180MHz 0.35

–

–

V

Output swing*2

Measurement cct. 3, Ta = TOPR,

5037C×: f = 250MHz 0.35

–

–

V

VOpp differential output waveform peak-

to-peak

5037D×: f = 400MHz 0.35

–

–

V

5037E×: f = 600MHz (0.35)

–

–

V

5037F×: f = 700MHz (0.35)

–

–

V

Output rise time

Output fall time

Output enable time*3

Output disable time

tr

Measurement cct. 3, 20 to 80% differential output swing

tf

Measurement cct. 3, 80 to 20% differential output swing

tOE Measurement cct. 1, Ta = 25°C

tOD Measurement cct. 1, Ta = 25°C

–

0.3

0.7

ns

–

0.3

0.7

ns

–

–

2

ms

–

–

200

ns

*1. Values in parentheses ( ) are provisional only.

*2. The said values are measured by using the NPC standard jig.

*3. The built-in oscillator stop function does not operate with normal output immediately when OE goes HIGH. Instead, normal output occurs after the

oscillator startup time has elapsed.

SEIKO NPC CORPORATION —6

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