4

FN8225.3

October 7, 2005

DC Electrical Specifications

Over recommended operating conditions unless otherwise specified.

SYMBOL

PARAMETER

TEST CONDITIONS

MIN

TYP

(Note 4)

MAX

UNIT

VCC active current (Increment)

25

µA

Standby supply current

0.3

1

µA

CS input leakage current

±1

µA

U/D input leakage current

±1

µA

CS, U/D input HIGH voltage

V

CS, U/D input LOW voltage

V

CS, U/D input capacitance

f=1MHz

10

pF

Timing Specifications

Over recommended operating conditions unless otherwise specified) (Figures 1 and 2)

SYMBOL

PARAMETER

MIN

TYP (Note 4)

MAX

UNIT

U/D to CS setup

25

ns

CS to U/D setup

50

ns

CS to U/D hold

25

ns

U/D LOW period

300

ns

U/D HIGH period

300

ns

Up/Down toggle rate

1

MHz

Output settling time

1

µs

CS

U/D

RH

FIGURE 1. SERIAL INTERFACE TIMING DIAGRAM, INCREMENT

ISL90460