CF5005BLB 查看數據表（PDF） - Nippon Precision Circuits

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CF5005BLB

High-frequency Crystal Oscillator Module ICs

Nippon Precision Circuits  

CF5005B series

Switching Characteristics

VDD = 3.0 to 3.6V, VSS = 0V, Ta = −20 to 80 °C unless otherwise noted.

Parameter

Symbol

Condition

Rating

Unit

min typ max

Output rise time

tr

Measurement cct 3, load cct 1, 0.1VDD to 0.9VDD , CL = 15pF

–

1.5

2.5

ns

Output fall time

tf

Measurement cct 3, load cct 1, 0.9VDD to 0.1VDD , CL = 15pF

–

1.5

2.5

ns

Output duty cycle1

Duty

Measurement cct 3, load cct 1, Ta = 25°C, VDD = 3.3V, CL = 15pF,

f ≤ 165MHz

40

–

60

%

Output disable delay time2 tPLZ Measurement cct 6, load cct 1, Ta = 25°C, VDD = 3.0V, CL ≤ 15pF –

Output enable delay time2 tPZL Measurement cct 6, load cct 1, Ta = 25°C, VDD = 3.0V, CL ≤ 15pF –

–

100

ns

–

100

ns

1. The duty cycle characteristic is checked the sample chips of each production lot.

2. Oscillator stop function is built-in. When INHN goes LOW, normal output stops. When INHN goes HIGH, normal output is not resumed until after the

oscillator start-up time has elapsed.

FUNCTIONAL DESCRIPTION

Standby Function

The oscillator stops when INHN goes LOW. When the oscillator stops, the oscillator output on Q goes high

impedance.

INHN

HIGH (or open)

LOW

Q

fO output frequency

High impedance

Oscillator

Normal operation

Stopped

SEIKO NPC CORPORATION —4

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