MCP2122

DS21894B-page 20

Preliminary

 2004 Microchip Technology Inc.

FIGURE 4-4:

I/O WAVEFORM

TABLE 4-4:

I/O TIMING REQUIREMENTS

AC Characteristics

Standard Operating Conditions (unless otherwise specified)

Operating Temperature: –40

Section 4.1 “DC Characteristics”

Param.

No.

Sym

Characteristic

Min

Max

Units

Conditions

20A

ToR

—

10

25

ns

≥ 2.7V (Note 3)

20B

—

10

60

ns

20C

—

10

25

ns

≥ 2.7V (Note 3)

20D

—

10

60

ns

21A

ToF

—

10

35

ns

Note 3

21C

—

10

25

ns

Note 3

Note 1: Data in the Typical (“Typ”) column is at 5V, +25

°C unless otherwise stated. These parameters are for design

guidance only and are not tested.

2: See Figure 4-2 for loading conditions.

3: These parameters (shaded) are characterized but are not tested. These values should be used for design

guidance only.

16XCLK

RX or

20, 21

Old Value

New Value

Note: Refer to Figure 4-2 for load conditions.

TXIR Pin