Data Sheet

AS3588A

Rev. 3.1

Page 10 of 15

July 1999

AC Electrical Characteristics

Capacitances: Operation over recommended temperature and voltage range

Symbol

Parameter

Condition

Min.

Typ.*

Max.

Units

CI

Input Capacitance

f= 1MHz

5

pF

CI/O

I/O Capacitance

f= 1MHz

15

pF

CO

Output Capacitance

f= 1MHz

10

pF

Note: unused pins are connected to VSS

Clock Timing Characteristics (Figure 3 ): Operation over recommended temperature and voltage range

Symbol

Parameter

Condition

Min.

Typ.*

Max.

Units

tCK

Clock Period

230

244

ns

tWLCK

Clock Low Level Width

100

ns

tWHCK

Clock High Level Width

100

ns

tRCK

Clock Rise Time

25

ns

tFCK

Clock Fall Time

25

ns

tSY

Sync. Period

125

µs

tSLSY

Sync. Low Setup Time

80

ns

tHLSY

Sync. Low Hold Time

40

ns

tSHSY

Sync. High Setup Time

80

ns

tWHSY

Sync. High Level Width

tCK

ns

Typical figures are at 25°C and are for design aid only; not guaranteed and not subject to production testing

CLOCK

SYNC

tCK

tWHCK

tWLCK

tSLSY

tHLSY

tRCK

tFCK

tSHSY

tWHSY

Figure 2

Figure 3. Clock Timing