SN74LVC1T45DBVT datasheet(2/42 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.................................................................. 4

5.1 Absolute Maximum Ratings........................................ 4

5.2 ESD Ratings............................................................... 4

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

5.4 Thermal Information....................................................5

5.5 Electrical Characteristics.............................................6

5.6 Switching Characteristics (VCCA = 1.8V ± 0.15V)....... 7

5.7 Switching Characteristics (VCCA = 2.5V ± 0.2V)......... 7

5.8 Switching Characteristics (VCCA = 3.3V ± 0.3V)......... 8

5.9 Switching Characteristics (VCCA = 5V ±0.5V)............. 8

5.10 Operating Characteristics......................................... 9

5.11 Typical Characteristics............................................ 10

6 Parameter Measurement Information.......................... 12

7 Detailed Description......................................................13

7.1 Overview................................................................... 13

7.2 Functional Block Diagram......................................... 13

7.3 Feature Description...................................................13

7.4 Device Functional Modes..........................................14

8 Applications and Implementation................................ 15

8.1 Application Information............................................. 15

8.2 Typical Application.................................................... 15

8.3 Power Supply Recommendations.............................17

8.4 Layout....................................................................... 17

9 Device and Documentation Support............................19

9.1 Documentation Support............................................ 19

9.2 Receiving Notification of Documentation Updates....19

9.3 Support Resources................................................... 19

9.4 Trademarks...............................................................19

9.5 Electrostatic Discharge Caution................................19

9.6 Glossary....................................................................19

10 Revision History.......................................................... 19

11 Mechanical, Packaging, and Orderable

Information.................................................................... 20

4 Pin Configuration and Functions

Figure 4-1. DBV Package, 6-Pin SOT-23 (Top View)

Figure 4-2. DCK Package, 6-Pin SC70 (Top View)

Figure 4-3. DRL Package, 6-Pin SOT (Top View)

Figure 4-4. DPK Package, 6-Pin USON (Top View)

Table 4-1. Pin Functions

TYPE(1)

DESCRIPTION

NAME

DBV, DCK, DRL,

DPK

VCCA

SYSTEM-1 supply voltage (1.65V to 5.5V)

GND

Device GND

I/O

Output level depends on VCC1 voltage.

I/O

Input threshold value depends on VCC2 voltage.

DIR

GND (low level) determines B-port to A-port direction.

VCCB

SYSTEM-2 supply voltage (1.65V to 5.5V)

(1)

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

SN74LVC1T45

SCES515N – DECEMBER 2003 – REVISED JUNE 2024

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