SM5022A2AH datasheet(7/11 Pages) NPC

7 / 11 page

SM5022 series

SEIKO NPC CORPORATION —7

TTL Output Version: B

×A series

5V operation

VDD = 4.5 to 5.5V, VSS = 0V, Ta = − 20 to + 80°C unless otherwise noted.

Current consumption and Output waveform with NPC’s standard crystal

FUNCTIONAL DESCRIPTION

Standby Function

When INHN goes LOW, the oscillator output on Q goes high impedance.

Parameter

Symbol

Condition

Rating

Unit

min

typ

max

Output rise time

tr3

Measurement cct 6, load cct 2, 0.4V to 2.4V, CL = 15pF

–

2.5

Output fall time

tf3

Measurement cct 6, load cct 2, 2.4V to 0.4V, CL = 15pF

–

2.5

Output duty cycle*1

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

Duty

Measurement cct 6, load cct 2, VDD = 5V, Ta = 25°C, CL = 15pF,

f = 30MHz

45–55

Output disable delay time*2

*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.

tPLZ

Measurement cct 7, load cct 2, VDD = 5V, Ta = 25°C, CL = 15pF

–

100

Output enable delay time*2

tPZL

–

100

INHN

Oscillator

HIGH (or open)

Any fO, fO/2, fO/4, or fO/8 output frequency

Normal operation

LOW

High impedance

Stopped

f [MHz]

R [

Ω]

L [mH]

Ca [fF]

Cb [pF]

17.2

4.36

6.46

2.26

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