MCP2122

DS20001894D-page 22

 2004-2024 Microchip Technology Inc. and its subsidiaries

FIGURE 4-4:

I/O WAVEFORM

TABLE 4-4:

I/O TIMING REQUIREMENTS

AC Characteristics

Standard Operating Conditions (unless otherwise specified)

Operating Temperature: -40

C  TA  +125C (Extended)

Operating Voltage VDD range is described in

Section 4.1 “DC Characteristics”

Param.

No.

Sym

Characteristic

Min

Typ (1)

Max

Units

Conditions

20A

ToR

RX pin rise time (2, 3)

—

10

25

ns

VDD

 2.7V (Note 3)

20B

—

10

60

ns

VDD = 1.8V (Note 3)

20C

TXIR pin rise time (2, 3)

—

10

25

ns

VDD

 2.7V (Note 3)

20D

—

10

60

ns

VDD = 1.8V (Note 3)

21A

ToF

RX pin fall time (2, 3)

—

10

35

ns

Note 3

21C

TXIR pin fall time (2, 3)

—

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