3.3V/+5V, 8-Channel, Cascadable Relay Drivers

with Serial/Parallel Interface

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3

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

SPI TIMING (MAX4821)

Turn-On Time (OUT_)

Ω,

1.0

µs

Turn-Off Time (OUT_)

Ω,

1.0

µs

SCLK Frequency

0

2.1

MHz

Cycle Time

480

ns

CS Fall to SCLK Rise Setup

240

ns

CS Rise to SCLK Hold

240

ns

SCLK High Time

190

ns

SCLK Low Time

190

ns

Data Setup Time

100

ns

Data Hold Time

0ns

SCLK Fall to DOUT Valid

50% of SCLK to 10% of DOUT,

85

120

ns

Rise Time (DIN, SCLK, CS, SET,

RESET)

2

µs

Fall Time (DIN, SCLK, CS,

RESET, SET)

2

µs

RESET Min Pulse Width

70

ns

SET Min Pulse Width

70

ns

PARALLEL TIMING (MAX4820)

Turn-On Time

Ω,

1µs

Turn-Off Time

Ω,

1µs

LVL Setup Time

100

ns

LVL Hold Time

0ns

Address to CS Setup Time

100

ns

Address to CS Hold Time

0ns

Rise Time (A2, A1, A0, LVL)

2

µs

Fall Time (A2, A1, A0, LVL)

2

µs

RESET Pulse Width

70

ns

SET Pulse Width

70

ns

ELECTRICAL CHARACTERISTICS (continued)

Note 1: Specifications at -40°C are guaranteed by design and not production tested.

of normal operation and will not damage the device.