Texas Instruments CD54HC147
The CDx4HC147 and CD74HCT147 are 9-input priority encoders.| Part No. | CD54HC147 |
|---|---|
| Datasheet | CD54HC147 Download |
| Manufacturer |  Texas Instruments |
| Description | 10- to 4-Line Priority Encoder |
| Buy | Stock & Price |
FEATURES
● Buffered inputs and outputs● Typical propagation delay: 13ns at VCC = 5V, CL = 15pF, TA = 25oC
● Fanout (over temperature range) – Bus driver outputs: 15 LSTTL loads
● Wide operating temperature range: -55oC to 125oC
● Balanced propagation delay and transition times
● Significant power reduction compared 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 compatibility, VIL= 0.8V (Max), VIH = 2V (Min) – CMOS input compatibility, Il ≤ 1µA at VOL, VOH 2
DESCRIPTION
These devices provide the 10-line to 4-line priority encoding function by use of the implied decimal “zero.” PART NUMBER CD54HC147 CD74HC147 CD74HCT147 Device Information PACKAGE(1) BODY SIZE (NOM)(2) J (CDIP, 16) 21.34mm × 6.92mm N (PDIP, 16) 19.31mm × 6.35mm D (SOIC, 16) 9.90mm × 3.90mm PW (TSSOP, 16) 5.00mm × 4.40mm N (PDIP, 16) 19.31mm × 6.35mm (1) For more information, see Mechanical, Packaging, and Orderable Information. (2) The body size (length × width) is a nominal value and does not include pins.
