CD74HC147 Datasheet | Texas Instruments

CD54HC147, CD74HC147, CD74HCT147 SCHS149G - NOVEMBER 1998 - REVISED JANUARY 2025 CDx4HC147, CD74HCT147 High-Speed CMOS Logic 10- to 4-Line Priority Encoder 1 Features - Buffered inputs and outputs - Typical propagation delay: 13ns at VCC = 5V, CL = 15p F, TA = 25o C - Fanout (over temperature range) - Bus driver outputs: 15 LSTTL loads - Wide operating temperature range: -55o C to 125o C - Balanced propagation delay and transition times - Significant power reduction pared to LSTTL logic ICs - HC types - 2V to 6V Operation - High noise immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V - HCT types - 4.5V to 5.5V Operation - Direct LSTTL input logic patibility, VIL= 0.8V (Max), VIH = 2V (Min) - CMOS input patibility, Il ≤ 1µA at VOL, VOH 2 Description The CDx4HC147 and CD74HCT147 are 9-input priority encoders. These devices provide the 10-line to 4-line priority encoding function by use of the implied decimal “zero.” PART NUMBER CD54HC147 CD74HCT147 Device Information PACKAGE(1) BODY SIZE...