Texas Instruments SN74LS399DG4

IC MULTIPLEXER 4 X 2:1 16SOIC / Multiplexer 4 x 2:1 16-SOIC

Switch Logic IC; Logic Family:LS; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Package/Case:16-SOIC; No. of Pins:16; Operating Temperature Range:0°C to +70°C; Input Type:TTL; Leaded Process Compatible:Yes; Output Type:TTL ;RoHS Compliant: Yes

This monolithic quadruple two-input multiplexer with storage provides essentially the equivalent functional capabilities of two separate MSI functions (SN54LS157/SN74LS157 and SN54LS175/SN74LS175) in a single 16-pin package. When the word-select input is low, word 1 (A1, B1, C1, D1) is applied to the flip-flops. A high input to word select will cause the selection of word 2 (A2, B2, C2, D2). The selected word is clocked to the output terminals on the positive-going edge of the clock pulse. Typical power dissipation is 37 milliwatts. The SN54LS399 is characterized for operation over the full military range of -55C to 125C. The SN74LS399 is characterized for operation from 0C to 70C.