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IDT54244CTQ Datasheet(PDF) 1 Page - Integrated Device Technology |
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IDT54244CTQ Datasheet(HTML) 1 Page - Integrated Device Technology |
1 / 9 page IDT54/74FCT240/244T/AT/CT/DT - 2240/2244T/AT/CT, IDT54/74FCT540/541/2541T/AT/CT FAST CMOS OCTAL BUFFER/LINE DRIVER MILITARY AND COMMERCIAL TEMPERATURE RANGES 6.8 1 Integrated Device Technology, Inc. MILITARY AND COMMERCIAL TEMPERATURE RANGES DECEMBER 1995 ©1996 Integrated Device Technology, Inc. 6.8 DSC-2565/6 1 DESCRIPTION: The IDT octal buffer/line drivers are built using an advanced dual metal CMOS technology. The FCT240T/FCT2240T and FCT244T/FCT2244T are designed to be employed as memory and address drivers, clock drivers and bus-oriented transmit- ter/receivers which provide improved board density. The FCT540T and FCT541T/FCT2541T are similar in function to the FCT240T/FCT2240T and FCT244T/FCT2244T, respectively, except that the inputs and outputs are on oppo- site sides of the package. This pinout arrangement makes these devices especially useful as output ports for micropro- cessors and as backplane drivers, allowing ease of layout and greater board density. The FCT2240T, FCT2244T and FCT2541T have balanced output drive with current limiting resistors. This offers low ground bounce, minimal undershoot and controlled output fall times-reducing the need for external series terminating resis- tors. FCT2xxxT parts are plug-in replacements for FCTxxxT parts. FAST CMOS OCTAL BUFFER/LINE DRIVERS The IDT logo is a registered trademark of Integrated Device Technology, Inc. IDT54/74FCT240T/AT/CT/DT - 2240T/AT/CT IDT54/74FCT244T/AT/CT/DT - 2244T/AT/CT IDT54/74FCT540T/AT/CT IDT54/74FCT541/2541T/AT/CT FEATURES: • Common features: – Low input and output leakage ≤1µA (max.) – CMOS power levels – True TTL input and output compatibility – VOH = 3.3V (typ.) – VOL = 0.3V (typ.) – Meets or exceeds JEDEC standard 18 specifications – Product available in Radiation Tolerant and Radiation Enhanced versions – Military product compliant to MIL-STD-883, Class B and DESC listed (dual marked) – Available in DIP, SOIC, SSOP, QSOP, CERPACK and LCC packages • Features for FCT240T/FCT244T/FCT540T/FCT541T: – Std., A, C and D speed grades – High drive outputs (-15mA IOH, 64mA IOL) • Features for FCT2240T/FCT2244T/FCT2541T: – Std., A and C speed grades – Resistor outputs (-15mA IOH, 12mA IOL Com.) (-12mA IOH, 12mA IOL Mil.) – Reduced system switching noise 2565 drw 03 2565 drw 02 2565 drw 01 DA0 DA1 DA2 DA3 DB0 DB1 DB2 DB3 FCT240/2240T DA0 OB0 DA1 OB1 DA2 OB2 DA3 OB3 OA0 DB0 OA1 DB1 DB2 DB3 OA2 OA3 FCT244/2244T D0 O0 D1 D2 D3 D4 D5 D6 D7 O1 O2 O3 O4 O5 O6 O7 FCT540/541/2541T *Logic diagram shown for 'FCT540. 'FCT541/2541T is the non-inverting option. OEA OEB OEA OEB OEA OB0 OB1 OB2 OB3 OEB OA0 OA1 OA2 OA3 FUNCTIONAL BLOCK DIAGRAMS |
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