BUY 74LS153N https://www.utsource.net/itm/p/608714.html
Dual 4-Input Multiplexer
Features:
rn High Speed: tPD = 8.3ns (Typ) at VCC = 5V
rn Low Power Dissipation: ICC = 4μA (Max) at Ta = 25°C
rn Wide Operating Voltage Range: VCC (opr) = 2 to 6V
rn High Noise Immunity: VNIH = VNIL = 28% VCC (Min)
rn Outputs Can Drive Up to 10 LSTTL Loads
rn Balanced Propagation Delays: tPLH rn tPHL
rn Symmetrical Output Impedance: IOH = IOL = 4mA (Min)
rn Pin and Function Compatible with 74LS157
rn Meets All Requirements of JEDEC Tentative Standard No. 13B, “Standard Specifications for Description of ‘B’ Series CMOS Devices”
Applications:
rn Data Selectors/Multiplexers
rn Address Selectors/Multiplexers
rn Bus Oriented Systems
rn High Speed Bipolar to MOS Interfacing
rn High Speed Bit Slice Applications
(For reference only)