Details, datasheet, quote on part number: IDT74FCT540AT
CategoryLogic => Line Driver/Receivers => CMOS/BiCMOS->FCT/FCT-T Family
DescriptionFast CMOS Octal Buffer/line Driver
CompanyIntegrated Device Technology, Inc.
DatasheetDownload IDT74FCT540AT datasheet
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Features, Applications

A and C grades Low input and output leakage 1A (max.) CMOS power levels True TTL input and output compatibility: VOH = 3.3V (typ.) VOL = 0.3V (typ.) High Drive outputs (-15mA IOH, 64mA IOL) Meets or exceeds JEDEC standard 18 specifications Power off disable outputs permit "live insertion" Available in SOIC, SSOP, and QSOP packages

The IDT octal buffer/line driver is built using an advanced dual metal CMOS technology. The FCT540T is similar in function to the FCT240T, 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.

The IDT logo is a registered trademark of Integrated Device Technology, Inc.

Symbol VTERM(2) VTERM(3) TSTG IOUT Description Terminal Voltage with Respect to GND Terminal Voltage with Respect to GND Storage Temperature DC Output Current Max to +120 Unit C mA

NOTES: 1. 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. Inputs and Vcc terminals only. 3. Output and I/O terminals only.

Symbol CIN Parameter(1) Input Capacitance Output Capacitance Conditions VIN = 0V VOUT = 0V Typ. 6 8 Max. 10 12 Unit pF COUT

NOTE: 1. This parameter is measured at characterization but not tested.
Pin Names OEA, OEB Dx Ox Inputs Outputs Description 3-State Output Enable Inputs (Active LOW)
NOTE: H = HIGH Voltage Level X = Don't Care L = LOW Voltage Level Z = High Impedance
Following Conditions Apply Unless Otherwise Specified: Industrial: to +85C, VCC 5.0V 5%

Symbol VIH VIL IIH IIL IOZH IOZL II VIK VH ICC Parameter Input HIGH Level Input LOW Level Input HIGH Current(4) Input LOW Current(4) High Impedance Output Current(4) (3-State Output pins)(4) Input HIGH Current(4) Clamp Diode Voltage Input Hysteresis Quiescent Power Supply Current VCC = Max. VIN = GND or VCC = Max., VI = VCC (Max.) VCC = Min., IIN = 18mA Test Conditions(1) Guaranteed Logic HIGH Level Guaranteed Logic LOW Level VCC = Max. VCC = Max. VCC = Max. = 0.5V Min. 200 0.01 Max. mV mA Unit V A

Symbol VOH VOL IOS Parameter Output HIGH Voltage Output LOW Voltage Short Circuit Current VCC = Min VIN = VIH or VIL VCC = Min VIN = VIH or VIL Test Conditions(1) IOH = 8mA IOH = 15mA IOL = 64mA Min. 60 Typ.(2) Max. 0.55 225 Unit V mA

NOTES: 1. For conditions shown as Min. or Max., use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at VCC 5.0V, +25C ambient. 3. Not more than one output should be tested at one time. Duration of the test should not exceed one second. 4. The test limit for this parameter = 55C.


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