 2003 Microchip Technology Inc.

DS11195C-page 5

MCP41XXX/42XXX

Absolute Maximum Ratings †

Storage temperature .....................................-60°C to +150°C

Ambient temp. with power applied ................-60°C to +125°C

ESD protection on all pins

..................................................≥ 2kV

† Notice: Stresses above those listed under “maximum rat-

ings” may cause permanent damage to the device. This is a

stress rating only and functional operation of the device at

those or any other conditions above those indicated in the

operational listings of this specification is not implied. Expo-

sure to maximum rating conditions for extended periods may

affect device reliability.

AC TIMING CHARACTERISTICS

Parameter

Sym

Min.

Typ.

Max.

Units

Conditions

Clock Frequency

——

10

MHz

Clock High Time

40

—

—

ns

Clock Low Time

40

—

—

ns

CS Fall to First Rising CLK Edge

40

—

—

ns

Data Input Setup Time

40

—

—

ns

Data Input Hold Time

10

—

—

ns

SCK Fall to SO Valid Propagation Delay

—80

ns

SCK Rise to CS Rise Hold Time

30

—

—

ns

SCK Rise to CS Fall Delay

10

—

—

ns

CS Rise to CLK Rise Hold

100

—

—

ns

CS High Time

40

—

—

ns

Reset Pulse Width

150

—

—

ns

Note 2

RS Rising to CS Falling Delay Time

150

—

—

ns

Note 2

CS rising to RS or SHDN falling delay time

40

—

—

ns

Note 3

CS low time

100

—

—

ns

Note 3

Shutdown Pulse Width

150

—

—

ns

Note 3

Note

1:

When using the device in the daisy-chain configuration, maximum clock frequency is determined by a combination of propagation delay

2:

Applies only to the MCP42XXX devices.

3:

Applies only when using hardware pins to exit software shutdown mode, MCP42XXX only.