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Inverting buffers & drivers

SN74AHC540

ACTIVE

8-ch, 2-V to 5.5-V inverters with 3-state outputs

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Data sheet

SN74AHC540

ACTIVE
Data sheet Order now

Product details

Technology family AHC Number of channels 8 IOL (max) (mA) 8 IOH (max) (mA) -8 Supply current (max) (µA) 40 Input type Standard CMOS Output type 3-State Features Balanced outputs, Over-voltage tolerant inputs, Very high speed (tpd 5-10ns) Rating Catalog Operating temperature range (°C) -40 to 125
Technology family AHC Number of channels 8 IOL (max) (mA) 8 IOH (max) (mA) -8 Supply current (max) (µA) 40 Input type Standard CMOS Output type 3-State Features Balanced outputs, Over-voltage tolerant inputs, Very high speed (tpd 5-10ns) Rating Catalog Operating temperature range (°C) -40 to 125
SSOP (DB) 20 56.16 mm² (7.2 mm × 7.8 mm) TSSOP (PW) 20 41.6 mm² (6.5 mm × 6.4 mm) SOIC (DW) 20 131.84 mm² (12.8 mm × 10.3 mm) VQFN (RKS) 20 11.25 mm² (4.5 mm × 2.5 mm) PDIP (N) 20 228.702 mm² (24.33 mm × 9.4 mm) TVSOP (DGV) 20 32 mm² (5 mm × 6.4 mm) VSSOP (DGS) 20 24.99 mm² (5.1 mm × 4.9 mm)
  • Operating range 2V to 5.5V VCC
  • Latch-up performance exceeds 250mA per JESD 17
  • On products compliant to MIL-PRF-38535, All parameters are tested unless otherwise noted. On all other products, production processing does not necessarily include testing of all parameters.
  • Operating range 2V to 5.5V VCC
  • Latch-up performance exceeds 250mA per JESD 17
  • On products compliant to MIL-PRF-38535, All parameters are tested unless otherwise noted. On all other products, production processing does not necessarily include testing of all parameters.

The SNx4AHC540 octal buffers/drivers are ideal for driving bus lines or buffer memory address registers. These devices feature inputs and outputs on opposite sides of the package to facilitate printed circuit board layout.

The SNx4AHC540 octal buffers/drivers are ideal for driving bus lines or buffer memory address registers. These devices feature inputs and outputs on opposite sides of the package to facilitate printed circuit board layout.
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SN74HC540 ACTIVE 8-ch, 2-V to 6-V inverters with 3-state outputs Voltage range 2V to 6V, average propagation delay 20ns, average drive strength 8mA
SN74AHCT540 ACTIVE 8-ch, 4.5-V to 5.5-V inverters with TTL-compatible CMOS inputs Voltage range 4.5V to 5.5V, average propagation delay 9ns, average drive strength 8mA

Technical documentation

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Top documentation Type Title Format options Date
* Data sheet SNx4AHC540 Octal Buffers/Drivers With 3-State Outputs datasheet (Rev. O) PDF | HTML Jan 21, 2025

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

14-24-LOGIC-EVM — Logic product generic evaluation module for 14-pin to 24-pin D, DB, DGV, DW, DYY, NS and PW packages

The 14-24-LOGIC-EVM evaluation module (EVM) is designed to support any logic device that is in a 14-pin to 24-pin D, DW, DB, NS, PW, DYY or DGV package,

User guide: PDF | HTML
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Simulation model

HSPICE Model of SN74AHC540

SCLJ001.ZIP (58 KB) - HSpice model
Supported products & hardware
Simulation model

SN74AHC540 Behavioral SPICE Model

SCLM291.ZIP (7 KB) - PSpice model
Supported products & hardware
Simulation model

SN74AHC540 IBIS Model

SCLM089.ZIP (51 KB) - IBIS model
Supported products & hardware
Package Pins CAD symbols, footprints & 3D models
SSOP (DB) 20 Ultra Librarian
TSSOP (PW) 20 Ultra Librarian
SOIC (DW) 20 Ultra Librarian
VQFN (RKS) 20 Ultra Librarian
PDIP (N) 20 Ultra Librarian
TVSOP (DGV) 20 Ultra Librarian
VSSOP (DGS) 20 Ultra Librarian
TI's Standard Terms and Conditions for Evaluation Items apply.

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