SM1125ABV 데이터 시트보기 (PDF) - Nippon Precision Circuits

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SM1125ABV

Multimelody IC for Pagers

Nippon Precision Circuits  

SM1125ABV

AC Characteristics

Unless otherwise noted Ta = −20 to 70°C, VSS = 0V, VDD = 2.0 to 3.6V

Parameter

SC pulse cycle

SC HIGH-level pulsewidth

SC LOW-level pulsewidth

SC pulse rise time

SC pulse fall time

SI-SC setup time

SI-SC hold time

Symbol

t SC

t SWH

t SWL

t Sr

t Sf

t DS

t DH

Condition

“SC input pulse” timing

“SC-SI serial input pulse”

timing

Rating

Unit

min

typ

max

5.0

–

–

µs

2.0

–

–

µs

2.0

–

–

µs

–

–

200

ns

–

–

200

ns

2.0

–

–

µs

2.0

–

–

µs

SC input pulse

t SWH

t SC

t SWL

0.9VDD

0.1VDD

VIH

0.5VDD

VIL

t Sf

t Sr

SC-SI serial input pulse

SC

SI

t DS

t DH

VIH

0.5VDD

VIL

VIH

0.5VDD

VIL

SEIKO NPC CORPORATION —4

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