HC4053 Datasheet – Multiplexers/Demultiplexers – Hitachi

Part Number: HC4053, HD74HC4053


 Triple 2-channel Analog Multiplexers/Demultiplexers

Manufacturer: Hitachi Semiconductor

HC4053 pinout

HD74HC4053: This device contains 6 switches whose outputs are connected together in pairs, thus
implementing a triple 2 channel multiplexer, or the equivalent of 3 single-pole-double throw configuration.
Each of the A, B, or C select lines independently controls one pair of switches, selecting one of the two
switches to be “on”.


•  High Speed Operation
•  Wide Operating Voltage
•  Low Quiescent Supply Current

Block Diagram

HC4053 block diagram

HC4053 Datasheet


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D1490 Datasheet PDF – 50V, 1A, NPN Transistor – Hitachi

Part Number: D1490

Function: 1A, 50V, Silicon NPN Epitaxial Transistor

Package: TO-92 Type

Manufacturer: Hitachi ( Renesas Electronics )


D1490 datasheet



1. Low frequency power amplifier
2. Complementary pair with 2SB1059

Absolute Maximum Ratings (Ta = 25°C)

1. Collector to base voltage : VCBO = 70 V
2. Collector to emitter voltage : VCEO = 50 V
3. Emitter to base voltage : VEBO = 6 V
4. Collector current : IC = 1 A
5. Collector power dissipation : PC = 0.75 W

Other data sheets are available within the file: 2SD1490


D1490 Datasheet PDF Download

D1490 pdf

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