Product details

Technology Family ACT Supply voltage (Min) (V) 4.5 Supply voltage (Max) (V) 5.5 Number of channels (#) 8 IOL (Max) (mA) 24 IOH (Max) (mA) -24 ICC (Max) (uA) 40 Input type TTL-Compatible CMOS Output type 3-State Features Balanced outputs, Very high speed (tpd 5-10ns) Rating Military
Technology Family ACT Supply voltage (Min) (V) 4.5 Supply voltage (Max) (V) 5.5 Number of channels (#) 8 IOL (Max) (mA) 24 IOH (Max) (mA) -24 ICC (Max) (uA) 40 Input type TTL-Compatible CMOS Output type 3-State Features Balanced outputs, Very high speed (tpd 5-10ns) Rating Military
CDIP (J) 20 167 mm² 26.92 x 7.62 CFP (W) 20 91 mm² 13 x 7 LCCC (FK) 20 79 mm² 8.89 x 8.89
  • 4.5-V to 5.5-V VCC Operation
  • Inputs Accept Voltages to 5.5 V
  • Max tpd of 8.5 ns at 5 V
  • Inputs Are TTL Compatible

  • 4.5-V to 5.5-V VCC Operation
  • Inputs Accept Voltages to 5.5 V
  • Max tpd of 8.5 ns at 5 V
  • Inputs Are TTL Compatible

These octal buffers and line drivers are designed specifically to improve the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters.

The ’ACT240 devices are organized as two 4-bit buffers/drivers with separate output-enable (OE)\ inputs. When (OE)\ is low, the device passes inverted data from the A inputs to the Y outputs. When (OE)\ is high, the outputs are 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.

These octal buffers and line drivers are designed specifically to improve the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters.

The ’ACT240 devices are organized as two 4-bit buffers/drivers with separate output-enable (OE)\ inputs. When (OE)\ is low, the device passes inverted data from the A inputs to the Y outputs. When (OE)\ is high, the outputs are 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 SN54ACT240, SN74ACT240 datasheet (Rev. C) 07 Oct 2002
* SMD SN54ACT240 SMD 5962-87759 21 Jun 2016
Application note Implications of Slow or Floating CMOS Inputs (Rev. E) 26 Jul 2021
Selection guide Logic Guide (Rev. AB) 12 Jun 2017
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
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 TI IBIS File Creation, Validation, and Distribution Processes 29 Aug 2002
Application note CMOS Power Consumption and CPD Calculation (Rev. B) 01 Jun 1997
Application note Designing With Logic (Rev. C) 01 Jun 1997
Application note Using High Speed CMOS and Advanced CMOS in Systems With Multiple Vcc 01 Apr 1996

Design & development

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Package Pins Download
CDIP (J) 20 View options
CFP (W) 20 View options
LCCC (FK) 20 View options

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