74FST3251 Datasheet (ON) - 8:1 Multiplexer/Demultiplexer Bus Switch

74FST3251, 8:1 Multiplexer/Demultiplexer Bus Switch

Bus Switch Enables Select Inputs Bus A Bus B B1, B2, B3, B4 ORDERING INFORMATION Device 74FST3251D 74FST3251DR2 74FST3251DT 74FST3251DTR2 74FST3251QS 74FST3251QSR Package SO *16 SO *16 TSSOP *16 TSSOP *16 QSOP *16 QSOP *16 Shipping 48 Units/Rail 2500 Units

74FST3251 8:1 Multiplexer/ Demultiplexer Bus Switch The ON Semiconductor 74FST3251 is an 8:1, high performance multiplexer/demultiplexer bus switch.

The device is CMOS TTL compatible when operating between 4 and 5.5 Volts.

The device exhibits extremely low RON and adds nearly zero propagation delay.

The device adds no noise or ground bounce to the system.

RON t 4 W Typical Less Than 0.25 ns Max Delay Through Switch Nearly Zero Standby Current No Ci

74FST3251 Features

* .99 1.55 1.73 0.20 0.31 0.41 0.89 0.64 BSC 0.20 0.46 0.249 0.191 0.10 0.25 5.84 6.20 0_ 8_ 0_ 7_ 0.18 0.28 0.51 DIA 0.64 0.89 0.64 0.89 0_ 8_ RAD. 0.005

* 0.010 TYP L 0.25 (0.010) M G T P DETAIL E C K V N 8 PL

* T

* D 16 PL 0.25 (0.010) M SEATING PLANE T B S A S J M