SM8230AS datasheet(4/8 Pages) NEC

4 / 8 page

SM8230A

SEIKO NPC CORPORATION —4

AC Characteristics

VDD = 2.6 to 3.3V, VSS = 0V, Ta = −20 to 70°C

System clock input timing

Serial data transfer timing

Parameter

Symbol

Condition

Rating

Unit

min

typ

max

Tone output frequency error

∆f

fCLK = 3.84MHz,

no deviation

–

0.37

Tone distortion1

1. Ta =

−10 to 70°C, THD + N (10Hz to 500kHz), no load

DIS

BZH/BZL

–

CLK cycle time

tCLK

CLK input waveform

250

–

CLK LOW-level pulsewidth

tCLKL

100

–

CLK HIGH-level pulsewidth

tCLKH

100

–

OE setup time

tSUOE

Between OE and SCL

100

–

OE hold time

tHDOE

100

–

SCL cycle time

tSCL

SCL input waveform

1––

µs

SCL LOW-level pulsewidth

tSCLL

400

–

SCL HIGH-level pulsewidth

tSCLH

400

–

Input data setup time

tSUD

Between SD and SCL

100

–

Input data hold time

tHDD

100

–

CLK

tCLKL

tCLKH

tCLK

DATA(b0)

SCL

tHDOE

tSCLL

tSCLH

tSUD

tHDD

tSCL

tSUOE

DATA(b15)

DATA(b14)

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