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FST3383WM Fiches technique(PDF) 1 Page - Fairchild Semiconductor |
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FST3383WM Fiches technique(HTML) 1 Page - Fairchild Semiconductor |
1 / 5 page December 1993 Revised May 1999 © 1999 Fairchild Semiconductor Corporation DS011652.prf www.fairchildsemi.com FST3383 10-Bit Low Power Bus-Exchange Switch General Description The FST3383 provides two sets of high-speed CMOS TTL- compatible bus switches. The low on resistance of the switch allows inputs to be connected to outputs without adding propagation delay or generating additional ground bounce noise. The device operates as a 10-bit bus switch or a 5-bit bus exchanger. The bus exchange (BX) signal provides nibble swapping of the AB and CD pairs of sig- nals. This exchange configuration allows byte swapping of buses in systems. It can also be used as a quad 2-to-1 multiplexer and to create low delay barrel shifters. The bus enable (BE) signal turns the switches ON. Features s 5 Ω switch connection between two ports s Zero propagation delay s Ultra low power with 0.2 µA typical I CC s Zero ground bounce in flow-through mode s Control inputs compatible with TTL level Ordering Code: Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Logic Diagram Pin Descriptions Connection Diagram Truth Table Order Number Package Number Package Description FST3383WM M24B 24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide FST3383QSC MQA24 24-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150 Wide FST3383MTC MTC24 24-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Pin Names Description BE Bus Switch Enable BX Bus Exchange A0–A4, B0–B4 Buses A, B C0–C4, D0–D4 Buses C, D BE BX A0–A4 B0–B4 Function H X High-Z State High-Z State Disconnect LL C0–C4 D0– D4 Connect LH D0–D4 C0–C4 Exchange |
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