SCES008Q July   1995  – September 2018 SN54LVCH245A , SN74LVCH245A

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Simplified Schematic
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
    2.     Pin Assignments: ZQN Package
    3.     Pin Assignments: ZXY Package
  6. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions: SN74LVCH245A
    4. 6.4  Recommended Operating Conditions: SN54LVCH245A
    5. 6.5  Thermal Information
    6. 6.6  Electrical Characteristics: SN74LVCH245A
    7. 6.7  Electrical Characteristics: SN54LVCH245A
    8. 6.8  Switching Characteristics: SN74LVCH245A, –40°C TO 85°C
    9. 6.9  Switching Characteristics: SN74LVCH245A, –40°C TO 125°C
    10. 6.10 Switching Characteristics: SN54LVCH245A
    11. 6.11 Operating Characteristics
    12. 6.12 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Balanced High-Drive CMOS Push-Pull Outputs
      2. 8.3.2 Standard CMOS Inputs
      3. 8.3.3 Negative Clamping Diodes
      4. 8.3.4 Bus-Hold Data Inputs
      5. 8.3.5 Partial Power Down (Ioff)
      6. 8.3.6 Over-voltage Tolerant Inputs
      7. 8.3.7 Output Enable
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Related Links
    2. 12.2 Trademarks
    3. 12.3 Electrostatic Discharge Caution
    4. 12.4 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • W|20
  • J|20
  • FK|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.9 Switching Characteristics: SN74LVCH245A, –40°C TO 125°C

over recommended operating free-air temperature range (unless otherwise noted) (see Parameter Measurement Information)
PARAMETER TEST
CONDITIONS		 VCC = 1.8 V
± 0.15 V		 VCC = 2.5 V
± 0.2 V		 VCC = 2.7 V VCC = 3.3 V
± 0.3 V		 UNIT
MIN MAX MIN MAX MIN MAX MIN MAX
tpd Propagation
delay time		 Input A or B to B or A output 13.7 9.1 7.8 1.5 6.7 ns
ten Enable time Input OE to A or B output 16.8 12 10 1.5 9.1 ns
tdis Disable time Input OE to A or B output 18 10.5 8.7 1.5 7.8 ns
tPLH Propagation
delay time
(low-level to
high-level output)		 Input A to Y output
CL = 50 pF		 5.4 7.5 1 8.5 1 8.5 1 9.5 ns
tPHL Propagation
delay time
(high-level to
low-level output) 		Input A to Y output
CL = 50 pF		 5.4 7.5 1 8.5 1 8.5 1 9.5
tPZH Enable time
(to high level)		 Input OE to Y output
CL = 50 pF 		6.2 9.3 1 10.5 1 10.5 1 11.5 ns
tPZL Enable time
(to low level)		 Input OE to Y output
CL = 50 pF 		6.2 9.3 1 10.5 1 10.5 1 11.5
tPHZ Disable time
(to high level)		 Input OE to Y output
CL = 50 pF		 6.7 9.2 1 10.5 1 10.5 1 11 ns
tPLZ Disable time
(to low level)		 Input OE to Y output
CL = 50 pF		 6.7 9.2 1 10.5 1 10.5 1 11
tsk(o) Output skew CL = 50 pF 1(1) 1 1 1 ns
(1) With products compliant to MIL-PRF-38535, this parameter does not apply.