FST3125QSC ,4-Bit Bus SwitchFST3125 4-Bit Bus SwitchAugust 1997Revised January 2005FST31254-Bit Bus Switch
FST3125QSCX ,4-Bit Bus SwitchFeaturesThe Fairchild Switch FST3125 provides four high-speed
FST3125M-FST3125MTC-FST3125MTCX-FST3125MX-FST3125QSC-FST3125QSCX
4-Bit Bus Switch
FST3125 4-Bit Bus Switch August 1997 Revised January 2005 FST3125 4-Bit Bus Switch General Description Features The Fairchild Switch FST3125 provides four high-speed4Ω switch connection between two ports. CMOS TTL-compatible bus switches. The low on resis-Minimal propagation delay through the switch. tance of the switch allows inputs to be connected to out- Low l . CC puts without adding propagation delay or generating Zero bounce in flow-through mode. additional ground bounce noise. Control inputs compatible with TTL level. The device is organized as four 1-bit switches with sepa- rate OE inputs. When OE is LOW, the switch is ON and Port A is connected to Port B. When OE is HIGH, the switch is OPEN and a high-impedance state exists between the two ports. Ordering Code: Package Order Number Package Description Number FST3125M M14A 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow FST3125MX_NL M14A Pb-Free 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow FST3125QSC MQA16 16-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150" Wide FST3125MTC MTC14 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide FST3125MTCX_NL MTC14 Pb-Free 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Pb-Free package per JEDEC J-STD-020B. © 2005 DS500043
