SN74AXC2T45 datasheet(2/32 Pages) TI2

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Table of Contents

1 Features............................................................................1

2 Applications..................................................................... 1

3 Description.......................................................................1

4 Pin Configuration and Functions...................................2

5 Specifications.................................................................. 3

5.1 Absolute Maximum Ratings........................................ 3

5.2 ESD Ratings............................................................... 3

5.3 Recommended Operating Conditions.........................4

5.4 Thermal Information....................................................4

5.5 Electrical Characteristics.............................................5

5.6 Switching Characteristics, VCCA = 0.7 ± 0.05V........... 6

5.7 Switching Characteristics, VCCA = 0.8 ± 0.04V........... 7

5.8 Switching Characteristics, VCCA = 0.9 ± 0.045V......... 8

5.9 Switching Characteristics, VCCA = 1.2 ± 0.1V............. 9

5.10 Switching Characteristics, VCCA = 1.5 ± 0.1V......... 10

5.11 Switching Characteristics, VCCA = 1.8 ± 0.15V........11

5.12 Switching Characteristics, VCCA = 2.5 ± 0.2V......... 12

5.13 Switching Characteristics, VCCA = 3.3 ± 0.3V......... 13

5.14 Operating Characteristics: TA = 25°C..................... 14

5.15 Typical Characteristics............................................ 15

6 Parameter Measurement Information.......................... 16

6.1 Load Circuit and Voltage Waveforms........................16

7 Detailed Description......................................................18

7.1 Overview................................................................... 18

7.2 Functional Block Diagram......................................... 18

7.3 Feature Description...................................................18

7.4 Device Functional Modes..........................................20

8 Application and Implementation.................................. 21

8.1 Application Information............................................. 21

8.2 Typical Application.................................................... 21

8.3 Power Supply Recommendations.............................23

8.4 Layout....................................................................... 23

9 Device and Documentation Support............................24

9.1 Documentation Support............................................ 24

9.2 Receiving Notification of Documentation Updates....24

9.3 Support Resources................................................... 24

9.4 Trademarks...............................................................24

9.5 Electrostatic Discharge Caution................................24

9.6 Glossary....................................................................24

10 Mechanical, Packaging, and Orderable

Information.................................................................... 24

11 Revision History.......................................................... 24

4 Pin Configuration and Functions

CCA

GND

CCB

DIR

Figure 4-1. DCU Package, 8-Pin VSSOP (Top View)

Table 4-1. Pin Functions

TYPE(1)

DESCRIPTION

NAME

NO.

I/O

Input/output A1. Referenced to VCCA.

I/O

Input/output A2. Referenced to VCCA.

I/O

Input/output B1. Referenced to VCCB.

I/O

Input/output B2. Referenced to VCCB.

DIR

Direction-control in for both ports. Referenced to VCCA

GND

Ground

VCCA

A-port power supply voltage. 0.65V ≤ VCCA ≤ 3.6V

VCCB

B-port power supply voltage. 0.65V ≤ VCCB ≤ 3.6V

(1)

I = input, O = output, P = power, G = ground

SN74AXC2T45-Q1

SCES928B – APRIL 2021 – REVISED JANUARY 2024

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