SM8213 datasheet(5/33 Pages) NPC

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SM8213AM

NIPPON PRECISION CIRCUITS—5

AC Characteristics

Recommended operating conditions unless otherwise noted

Parameter/address set timing

Auxiliary operating mode set timing

Parameter

Symbol

Condition

Rating

Unit

min

typ

max

XT clock frequency

fCYXT

−250 ppm

76.8

+250 ppm

kHz

XT clock duty cycle

DXT

25–75

SCK clock pulsewidth

tPWSC

–

150

µs

SCK clock interval

(except WRITE mode)

tCYSC

512 bps

–

1900

µs

1200 bps

–

830

2400 bps

–

415

SCK clock interval (WRITE mode)

tCYSC

–

830

µs

SDI data setup time

tSSDI

1––

µs

SDI data hold time

tHSDI

1––

µs

SDO data setup time

tSSDO

3––

µs

SDO data hold time

tHSDO

––0

µs

ATTN data setup time

tSATT

0––

µs

ATTN data hold time

tHATT

1––

µs

CLKO clock rise time

tRCLK

No load

–

500

CLKO clock fall time

tFCLK

No load

–

500

CLKO clock delay time

DCLKO

––1

µs

RSTN pulsewidth

tPWRS

1––

ATTN

SCK

SDI

INPUT

DATA 1

INPUT

DATA 2

INPUT

DATA 3

INPUT

DATA 32

1/ 2*VDD

tPWSC

tSSDI

tHSDI

tCYSC

tHATT

ATTN

SCK

Decoder Mode

SDI

Decoder

Setting1

Decoder

Setting 2

Decoder

Setting 8

1/ 2*VDD

Next Mode

Current Mode

tCYSC

tHSDI

tSSDI

tPWSC

tHATT

START command : 66 bit time max

Others : 2 bit time max

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