SCLS230N October   1995  – June 2024 SN54AHC245 , SN54AHC245-SP , SN74AHC245

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  Handling Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Thermal Information
    5. 5.5  Electrical Characteristics
    6. 5.6  Switching Characteristics, VCC = 3.3 V ± 0.3 V
    7. 5.7  Switching Characteristics, VCC = 5 V ± 0.5 V
    8. 5.8  Noise Characteristics
    9. 5.9  Operating Characteristics
    10. 5.10 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
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

4 Pin Configuration and Functions

SN54AHC245 SN74AHC245 SN54AHC245 J or W, SN74AHC245 DB, DGV, DW, N, PW or DGS Package, CDIP, CFP, SSOP, TVSOP, SOIC, PDIP, TSSOP, or VSSOP 20-Pin (Top View)Figure 4-1 SN54AHC245 J or W, SN74AHC245 DB, DGV, DW, N, PW or DGS Package, CDIP, CFP, SSOP, TVSOP, SOIC, PDIP, TSSOP, or VSSOP 20-Pin (Top View)
SN54AHC245 SN74AHC245 SN54AHC245 FK Package, LCCC 20-Pin (Top View)Figure 4-3 SN54AHC245 FK Package, LCCC 20-Pin (Top View)
SN54AHC245 SN74AHC245 SN74AHC245 RKS Package, VQFN 20-Pin (Top View)Figure 4-2 SN74AHC245 RKS Package, VQFN 20-Pin (Top View)
Table 4-1 Pin Functions
PINTYPE(1)DESCRIPTION
NAMENO.
DIR1I/ODirection Pin
A12I/OA1 Input/Output
A23I/OY4 Input/Output
A34I/OA2 Input/Output
A45I/OY3 Input/Output
A56I/OA3 Input/Output
A67I/OY2 Input/Output
A78I/OA4 Input/Output
A89I/OY1 Input/Output
GND10—Ground Pin
B811I/OA1 Input/Output
B712I/OY4 Input/Output
B613I/OA2 Input/Output
B514I/OY3 Input/Output
B415I/OA3 Input/Output
B316I/OY2 Input/Output
B217I/OA4 Input/Output
B118I/OY1 Input/Output
OE19I/OOutput Enable
VCC20—Power Pin
Thermal pad—Thermal Pad(2)
(1) I = Input, O = Output, I/O = Input or Output, G = Ground, P = Power
(2) RKS package only.