74HC148 DATASHEET PDF

This priority encoder accepts 8 input request lines 0—7 and outputs 3 lines A0—A2. The priority encoding ensures that only the highest order data line is encoded. Cascading cir- cuitry enable input EI and enable output EO has been provided to allow octal expansion without the need for external circuitry. All data inputs and outputs are active at the low logic level. All inputs are protected from damage due to static dis- charge by internal diode clamps to V CC and ground.

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October Revised February General Description. The MM74HC priority encoder utilizes advanced sili-. It has the high noise immunity. This priority encoder accepts 8 input request lines 0—7 and. The priority encoding ensures that. Cascading cir-. All data inputs and outputs are active at. All inputs are protected from damage due to static dis-. Ordering Code:. Order Number Package Number. Package Description. Devices also available in Tape and Reel. Connection Diagram. Truth Table. Absolute Maximum Ratings Note 1.

Note 2. Supply Voltage V CC. Power Dissipation P D. Note 3. Package only. Lead Temperature T L. Soldering 10 seconds. Recommended Operation. Min Max Units. DC Input or Output Voltage. Operating Temperature Range T A. Input Rise or Fall Times. Note 1: Absolute Maximum Ratings are those values beyond which dam-. Note 2: Unless otherwise specified all voltages are referenced to ground. DC Electrical Characteristics Note 4. Typ Guaranteed Limits. Input Voltage. Output Voltage.

I IN Maximum Input. I CC Maximum Quiescent. Supply Current. Thus the 4. The V IH value at 5. The worst case leakage cur-. Physical Dimensions inches millimeters unless otherwise noted Continued. Package Number MTC ON Semiconductor.

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