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74HC148 Datasheet

The 74HC148 is a 8-3 Line Priority Encoder. Download the datasheet PDF and view key features and specifications below.

Part Number74HC148
ManufacturerNational Semiconductor
Overview 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. 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 XXXXXX.
Part Number74HC148
Description8-to-3-line Octal Priority Encoder
ManufacturerHitachi Semiconductor
Overview The HD74HC148 encodes eight data lines to three-line (4-2-1) binary (octal). Cascading circuitry (enable input EI and enable output EO) is provided to allow octal expansion without the need for extern.
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* High Speed Operation: tpd (0 - 7 to A0 - A2) = 15 ns typ (CL = 50 pF) High Output Current: Fanout of 10 LSTTL Loads Wide Operating Voltage: VCC = 2 to 6 V Low Input Current: 1 µA max Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C) Function Table Inputs EI H L L L L L L L.
Part Number74HC148
Description8 TO 3 LINE PRIORITY ENCODER
ManufacturerSTMicroelectronics
Overview The M54/74HC148 is a high speed CMOS 8-TO-3 LINE PRIORITY ENCODER fabricated in silicon gate C2MOS technology. It has the same high speed performance for LSTTL combined with true CMOS low power consum. the need for external circuitry. Data inputs are active at the low logic level. All inputs are equipped with protection circuits against static discharge and transient excess voltage. INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN CONNECTIONS (top view) NC = No Internal Connection October 1992 1/11 M.
Part Number74HC148
Description8-Line to 3-Line Priority Encoders
ManufacturerTexas Instruments
Overview The SNx4HC148 is an 8-input priority encoder. Added input enable (EI) and output enable (EO) signals allow for cascading multiple stages without added external circuitry. PART NUMBER SN74HC148D SN74.
* Wide operating voltage range of 2V to 6V
* Outputs can drive up to 10 LSTTL loads
* Low power consumption, 80-μA max ICC
* Typical tpd = 16ns
* ±4-mA output drive at 5V
* Low input current of 1μA max
* Encode eight data lines to 3-line binary (Octal) 2 Applications
* N-Bit encoding
* Code converte.

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