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IDT74FCT623CTPB Datasheet(PDF) 1 Page - Integrated Device Technology |
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IDT74FCT623CTPB Datasheet(HTML) 1 Page - Integrated Device Technology |
1 / 6 page IDT54/74FCT623T/AT/CT FAST CMOS OCTAL BUS TRANSCEIVERS (3-STATE) 6.19 1 Integrated Device Technology, Inc. FAST CMOS OCTAL BUS TRANSCEIVERS (3-STATE) IDT54/74FCT623T/AT/CT DESCRIPTION The FCT623T/AT/CT is a non-inverting octal transceiver with 3-state bus-driving outputs in both the send and receive directions. The B bus outputs are capable of sinking 64mA and sourcing up to 15mA, providing very good capacitive drive characteristics. These octal bus transceivers are designed for asynchro- nous two-way communication between data buses. The control function implementation allows for maximum flexibility in timing. One important feature of the FCT623T/AT/CT is the Power Down Disable capability. When the GAB and GBA inputs are conditioned to put the device in high-Z state, the I/O ports will maintain high impedance during power supply ramps and when VCC = 0V. This is a desirable feature in back-plane applications where it may be necessary to perform “live” insertion and removal of cards for on-line maintenance. It is also a benefit in systems with multiple redundancy where one or more redundant cards may be powered-off. FUNCTIONAL BLOCK DIAGRAM The IDT logo is a registered trademark of Integrated Device Technology, Inc. 1 MILITARY AND COMMERCIAL TEMPERATURE RANGES NOVEMBER 1995 ©1996 Integrated Device Technology, Inc. 6.19 DSC-2563/5 FEATURES: • Std., A and C speed grades • Low input and output leakage ≤1µA (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) • Power off disable outputs permit “live insertion” • 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, CERPACK and LCC packages GAB A1 B1 A2 - A8 B2 - B8 7 other transceivers GBA 2563 drw 01 |
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