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CD74HC147

CD74HC147 Series

High Speed CMOS Logic 10-to-4 Line Priority Encoder

Manufacturer: Texas Instruments

Catalog

High Speed CMOS Logic 10-to-4 Line Priority Encoder

Key Features

Buffered inputs and outputsTypical propagation delay: 13ns at VCC = 5V, CL = 15pF, TA = 25oCFanout (over temperature range)Bus driver outputs: 15 LSTTL loadsWide operating temperature range: -55oC to 125oCBalanced propagation delay and transition timesSignificant power reduction compared to LSTTL logic ICsHC types2V to 6V OperationHigh noise immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5VHCT types4.5V to 5.5V OperationDirect LSTTL input logic compatibility, VIL= 0.8V (Max), VIH = 2V (Min)CMOS input compatibility, Il ≤ 1µA at VOL, VOHBuffered inputs and outputsTypical propagation delay: 13ns at VCC = 5V, CL = 15pF, TA = 25oCFanout (over temperature range)Bus driver outputs: 15 LSTTL loadsWide operating temperature range: -55oC to 125oCBalanced propagation delay and transition timesSignificant power reduction compared to LSTTL logic ICsHC types2V to 6V OperationHigh noise immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5VHCT types4.5V to 5.5V OperationDirect LSTTL input logic compatibility, VIL= 0.8V (Max), VIH = 2V (Min)CMOS input compatibility, Il ≤ 1µA at VOL, VOH

Description

AI
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." 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."