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54HC148 Datasheet

Part Number 54HC148
Manufacturers National Semiconductor
Logo National Semiconductor
Description 8-3 Line Priority Encoder
Datasheet 54HC148 Datasheet54HC148 Datasheet (PDF)

MM54HC148 MM74HC148 8-3 Line Priority Encoder February 1988 MM54HC148 MM74HC148 8-3 Line Priority Encoder General Description This priority encoder utilizes advanced silicon-gate CMOS technology It has the high noise immunity and low power consumption typical of CMOS circuits as well as the speeds and output drive similar to LB-TTL 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 C.

  54HC148   54HC148






Part Number 54HC14
Manufacturers Silicon Supplies
Logo Silicon Supplies
Description Hex Schmitt-Trigger Inverter Logic IC
Datasheet 54HC148 Datasheet54HC14 Datasheet (PDF)

High Speed CMOS Logic – 54HC14 Hex Schmitt-Trigger Inverter Logic IC in bare die form Rev 1.0 24/11/17 Description Features: The 54HC14 Hex Schmitt-Trigger Inverter is fabricated using a 2.5µm 5V CMOS process with the same high speed performance of LSTTL combined with CMOS low power consumption. The device performs the Boolean function Y = Ᾱ in positive logic. Device inputs are compatible with Standard CMOS outputs; with pull-up resistors, they are compatible with LSTTL outputs. Schmitt-Tri.

  54HC148   54HC148







Part Number 54HC14
Manufacturers Motorola Semiconductor
Logo Motorola Semiconductor
Description HEX SCHMITT INVERTER
Datasheet 54HC148 Datasheet54HC14 Datasheet (PDF)

This Material Copyrighted By Its Respective Manufacturer This Material Copyrighted By Its Respective Manufacturer This Material Copyrighted By Its Respective Manufacturer This Material Copyrighted By Its Respective Manufacturer This Material Copyrighted By Its Respective Manufacturer This Material Copyrighted By Its Respective Manufacturer .

  54HC148   54HC148







8-3 Line Priority Encoder

MM54HC148 MM74HC148 8-3 Line Priority Encoder February 1988 MM54HC148 MM74HC148 8-3 Line Priority Encoder General Description This priority encoder utilizes advanced silicon-gate CMOS technology It has the high noise immunity and low power consumption typical of CMOS circuits as well as the speeds and output drive similar to LB-TTL 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 circuitry (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 discharge by internal diode clamps to VCC and ground Features Y Typical propagation delay 13 ns Y Wide supply voltage range 2V – 6V Connection Diagram Dual-In-Line Package Truth Table Order Number MM54HC148 or MM74HC148 TL F 9390 – 1 Inputs Outputs EI 0 1 2 3 4 5 6 7 A2 A1 A0 GS EO HXXXXXXXX H H H H H L HHHHHHHH H H H H L L XXXXXXXL L L L L H L XXXXXXLH L L H L H L XXXXX LHH L H L L H L XXXX LHHH L H H L H L XXX LHHHH H L L L H L XX LHHHHH H L H L H L X LHHHHHH H H L L H L LHHHHHHH H H H L H H e High L e Low X e irrelevant C1995 National Semiconductor Corporation TL F 9390 RRD-B30M105 Printed in U S A Absolute Maximum Ratings (Notes 1 2) If Military Aerospace specified devices are required please contact the National Semi.


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