Product details

Technology Family AHCT Supply voltage (Min) (V) 4.5 Supply voltage (Max) (V) 5.5 Number of channels (#) 8 IOL (Max) (mA) 8 ICC (Max) (uA) 20 IOH (Max) (mA) -8 Input type TTL-Compatible CMOS Output type Push-Pull Features Balanced outputs, Very high speed (tpd 5-10ns), Over-voltage tolerant inputs Rating Catalog
Technology Family AHCT Supply voltage (Min) (V) 4.5 Supply voltage (Max) (V) 5.5 Number of channels (#) 8 IOL (Max) (mA) 8 ICC (Max) (uA) 20 IOH (Max) (mA) -8 Input type TTL-Compatible CMOS Output type Push-Pull Features Balanced outputs, Very high speed (tpd 5-10ns), Over-voltage tolerant inputs Rating Catalog
PDIP (N) 20 229 mm² 24.33 x 9.4 SOIC (DW) 20 132 mm² 12.8 x 10.3 SOP (NS) 20 98 mm² 12.6 x 7.8 SSOP (DB) 20 38 mm² 5.3 x 7.2 TSSOP (PW) 20 29 mm² 6.5 x 4.4 TSSOP (PW) 20 29 mm² 4.4 x 6.5
  • Inputs Are TTL-Voltage Compatible
  • Latch-Up Performance Exceeds 250 mA Per JESD 17
  • ESD Protection Exceeds JESD 22
    • 2000-V Human-Body Model (A114-A)
    • 200-V Machine Model (A115-A)
    • 1000-V Charged-Device Model (C101)

  • Inputs Are TTL-Voltage Compatible
  • Latch-Up Performance Exceeds 250 mA Per JESD 17
  • ESD Protection Exceeds JESD 22
    • 2000-V Human-Body Model (A114-A)
    • 200-V Machine Model (A115-A)
    • 1000-V Charged-Device Model (C101)

The ’AHCT541 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 3-state control gate is a 2-input AND gate with active-low inputs so that if either output-enable (OE1 or OE2) input is high, all corresponding outputs are in the high-impedance state. The outputs provide non-inverted data when they are not in the high-impedance state.

To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

The ’AHCT541 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 3-state control gate is a 2-input AND gate with active-low inputs so that if either output-enable (OE1 or OE2) input is high, all corresponding outputs are in the high-impedance state. The outputs provide non-inverted data when they are not in the high-impedance state.

To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

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Technical documentation

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Type Title Date
* Data sheet SN54AHCT541, SN74AHCT541 datasheet (Rev. P) 27 Jun 2013
Application note Implications of Slow or Floating CMOS Inputs (Rev. E) 26 Jul 2021
Selection guide Little Logic Guide 2018 (Rev. G) 06 Jul 2018
Selection guide Logic Guide (Rev. AB) 12 Jun 2017
Application note How to Select Little Logic (Rev. A) 26 Jul 2016
Application note Understanding and Interpreting Standard-Logic Data Sheets (Rev. C) 02 Dec 2015
User guide LOGIC Pocket Data Book (Rev. B) 16 Jan 2007
More literature Design Summary for WCSP Little Logic (Rev. B) 04 Nov 2004
Application note Semiconductor Packing Material Electrostatic Discharge (ESD) Protection 08 Jul 2004
Application note Selecting the Right Level Translation Solution (Rev. A) 22 Jun 2004
More literature Logic Cross-Reference (Rev. A) 07 Oct 2003
Application note Advanced High-Speed CMOS (AHC) Logic Family (Rev. C) 02 Dec 2002
Application note Texas Instruments Little Logic Application Report 01 Nov 2002
Application note TI IBIS File Creation, Validation, and Distribution Processes 29 Aug 2002
Design guide AHC/AHCT Designer's Guide February 2000 (Rev. D) 24 Feb 2000
More literature Military Advanced High-Speed CMOS Logic (AHC/AHCT) (Rev. C) 01 Apr 1998
Application note Migration From 3.3-V To 2.5-V Power Supplies For Logic Devices 01 Dec 1997
Application note Bus-Interface Devices With Output-Damping Resistors Or Reduced-Drive Outputs (Rev. A) 01 Aug 1997
Application note CMOS Power Consumption and CPD Calculation (Rev. B) 01 Jun 1997
Application note Live Insertion 01 Oct 1996

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 — Generic Logic EVM Supporting 14 through 24 Pin PW, DB, D, DW, NS, DYY, and DGV Packages

This EVM is designed to support any logic device that has a D, DW, DB, NS, PW, DYY or DGV package in a 14 to 24 pin count.

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Simulation model

HSPICE Model of SN74AHCT541

SCLJ004.ZIP (59 KB) - HSpice Model
Simulation model

SN74AHCT541 IBIS Model

SCLM090.ZIP (19 KB) - IBIS Model
Simulation model

SN74AHCT541 Behavioral SPICE Model

SCLM237.ZIP (7 KB) - PSpice Model
Package Pins Download
PDIP (N) 20 View options
SO (NS) 20 View options
SOIC (DW) 20 View options
SSOP (DB) 20 View options
TSSOP (PW) 20 View options

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