SM5865BM

NIPPON PRECISION CIRCUITS—6

AC Electrical Characteristics

System clock Input (CKI)

Internal System Clock

Internal system clock frequency is the same as the CKI clock frequency when CKDVN = HIGH.

Internal system clock frequency is half the CKI clock frequency when CKDV N = L OW .

Reset Input (RSTN)

P arameter

Symbol

Rating

Unit

min

typ

m a x

CKI clock frequency

5

–

6 0

MHz

HIGH-level clock pulsewidth

5––

ns

L O W -level clock pulsewidth

5––

ns

P arameter

Symbol

Condition

Rating

Unit

min

typ

m a x

Internal system clock frequency

5

–

4 6

MHz

P arameter

Symbol

Condition

Rating

Unit

min

typ

m a x

RSTN LO W -level pulsewidth

At pow er ON

1

–

–

µ s

After pow er ON

1 0 0

–

–

ns

CKI

CWL

t

CWH

t

CKI

1/f