Details, datasheet, quote on part number: IDT74FCT540DB
DescriptionFast CMOS Octal Buffer/line Driver
CompanyIntegrated Device Technology, Inc.
DatasheetDownload IDT74FCT540DB datasheet
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Features, Applications

IDT54/74FCT240/241/244/540/541 equivalent to FASTTM speed and drive IDT54/74FCT240A/241A/244A/540A/541A 25% faster than FAST to 55% faster than FAST IOL = 64mA (commercial) and 48mA (military) CMOS power levels (1mW typ. static) Product available in Radiation Tolerant and Radiation Enhanced versions Military product compliant to MIL-STD-883, Class B Meets or exceeds JEDEC Standard 18 specifications

The IDT octal buffer/line drivers are built using an advanced dual metal CMOS technology. The IDT54/74FCT240/A/C, IDT54/74FCT241/A/C and IDT54/74FCT244/A/C are designed to be employed as memory and address drivers, clock drivers and bus-oriented transmitter/receivers which provide improved board density. The IDT54/74FCT540/A/C and IDT54/74FCT541/A/C are similar in function to the IDT54/74FCT240/A/C and IDT54/ 74FCT244/A/C, respectively, except that the inputs and outputs are on opposite sides of the package. This pinout arrangement makes these devices especially useful as output ports for microprocessors and as backplane drivers, allowing ease of layout and greater board density.

OEA OEB OB3 IDT54/74FCT241/244 *OEB for 241, OEB for 244 OEA 241 Only OEB* D7 IDT54/74FCT540/541 *Logic diagram shown for 'FCT541 is the non-inverting option.

The IDT logo is a registered trademark of Integrated Device Technology, Inc. FAST is a trademark of National Semiconductor Co.

Description 3­State Output Enable Inputs (Active LOW) 3­State Output Enable Input (Active HIGH) Inputs Outputs

NOTES: H = High Voltage Level X = Don't Care L = Low Voltage Level Z = High Impedance 2. OEB for 241 only.

Symbol Rating VTERM(2) Terminal Voltage with Respect to GND VTERM(3) Terminal Voltage with Respect to GND TA Operating Temperature TBIAS Temperature Under Bias TSTG Storage Temperature PT Power Dissipation IOUT DC Output Current Commercial Military to +7.0 Unit V

Symbol CIN COUT Parameter Input Capacitance Output Capacitance
NOTE: 1. This parameter is measured at characterization but not tested.

NOTES: 2606 tbl 01 Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. No terminal voltage may exceed VCC by +0.5V unless otherwise noted. 2. Input and VCC terminals only. 3. Outputs and I/O terminals only.


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