SCES516N
December 2003 – June 2024
SN74LVC2T45
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Switching Characteristics: VCCA = 1.8V ± 0.15V
5.7
Switching Characteristics: VCCA = 2.5V ± 0.2V
5.8
Switching Characteristics: VCCA = 3.3V ± 0.3V
5.9
Switching Characteristics: VCCA = 5V ± 0.5V
5.10
Operating Characteristics
5.11
Typical Characteristics
6
Parameter Measurement Information
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Fully Configurable Dual-Rail Design Allows Each Port to Operate Over the Full 1.65V to 5.5V Power-Supply Range
7.3.2
Support High-Speed Translation
7.3.3
Ioff Supports Partial-Power-Down Mode Operation
7.3.4
Balanced High-Drive CMOS Push-Pull Outputs
7.3.5
Glitch-Free Power Supply Sequencing
7.3.6
Vcc Isolation
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Unidirectional Logic Level-Shifting Application
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curve
8.2.2
Bidirectional Logic Level-Shifting Application
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.2.2.1
Enable Times
8.2.2.3
Application Curve
42
8.3
Power Supply Recommendations
8.3.1
Power-Up Consideration
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Documentation Support
9.1.1
Related Documentation
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
1
Features
Fully configurable dual-rail design allows each port to operate over the full 1.65-V to 5.5-V power-supply range
V
CC
isolation feature – if either V
CC
input is at GND, both ports are in the high-impedance state
DIR input circuit referenced to V
CCA
Low power consumption, 4-μA maximum I
CC
Available in the Texas Instruments
NanoFree™
package
±24-mA output drive at 3.3 V
I
off
supports Partial-Power-Down mode operation
Maximum data rates:
420 Mbps (3.3-V to 5-V translation)
210 Mbps (translate to 3.3 V)
140 Mbps (translate to 2.5 V)
75 Mbps (translate to 1.8 V)
Latch-up performance exceeds 100 mA per JESD 78, Class II
ESD protection exceeds JESD 22
4000-V Human-Body Model (A114-A)
200-V Machine Model (A115-A)
1000-V Charged-Device Model (C101)