SCES516N December   2003  – June 2024 SN74LVC2T45

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 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
    8. 5.8  Switching Characteristics: VCCA = 3.3V ± 0.3V
    9. 5.9  Switching Characteristics: VCCA = 5V ± 0.5V
    10. 5.10 Operating Characteristics
    11. 5.11 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Fully Configurable Dual-Rail Design Allows Each Port to Operate Over the Full 1.65V to 5.5V Power-Supply Range
      2. 7.3.2 Support High-Speed Translation
      3. 7.3.3 Ioff Supports Partial-Power-Down Mode Operation
      4. 7.3.4 Balanced High-Drive CMOS Push-Pull Outputs
      5. 7.3.5 Glitch-Free Power Supply Sequencing
      6. 7.3.6 Vcc Isolation
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Unidirectional Logic Level-Shifting Application
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curve
      2. 8.2.2 Bidirectional Logic Level-Shifting Application
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
          1. 8.2.2.2.1 Enable Times
        3. 8.2.2.3 Application Curve
    3.     42
    4. 8.3 Power Supply Recommendations
      1. 8.3.1 Power-Up Consideration
    5. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

4 Pin Configuration and Functions

SN74LVC2T45 DCT or DCU Package, 8-Pin SM8 or VSSOP (Top View)Figure 4-1 DCT or DCU Package, 8-Pin SM8 or VSSOP (Top View)
Table 4-1 Pin Functions: DCT, DCU
PIN TYPE(1) DESCRIPTION
NAME NO.
VCCA 1 P A-port supply voltage. 1.65V ≤ VCCA ≤ 5.5V
A1 2 I/O Input/output A1. Referenced to VCCA
A2 3 I/O Input/output A2. Referenced to VCCA
GND 4 G Ground
DIR 5 I Direction control signal
B2 6 I/O Input/output B2. Referenced to VCCB
B1 7 I/O Input/output B1. Referenced to VCCB
VCCB 8 P B-port supply voltage. 1.65V ≤ VCCB ≤ 5.5V
(1) I = input, O = output, P = power, G =ground
SN74LVC2T45 YZP Package, 8-Pin DSGBA (Bottom View)Figure 4-2 YZP Package, 8-Pin DSGBA (Bottom View)
Table 4-2 Pin Functions: YZP
PINTYPE(1)DESCRIPTION
NO.NAME
A1VCCAPA-port supply voltage. 1.65V ≤ VCCA ≤ 5.5V
A2VCCBPB-port supply voltage. 1.65V ≤ VCCB ≤ 5.5V
B1A1I/OInput/output A1. Referenced to VCCA
B2B1I/OInput/output B1. Referenced to VCCB
C1A2I/OInput/output A2. Referenced to VCCA
C2B2I/OInput/output B2. Referenced to VCCB
D1GNDGGround
D2DIRIDirection control signal
(1) I = input, O = output, P = power, G = ground