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HI-8448PQTF Datasheet(PDF) 2 Page - Holt Integrated Circuits |
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HI-8448PQTF Datasheet(HTML) 2 Page - Holt Integrated Circuits |
2 / 9 page HI-8444, HI-8445, HI-8448 PIN SYMBOL FUNCTION DESCRIPTION 1 IN1 A ARINC input Receiver 1 positive input 2 IN1 B ARINC input 3 IN2 A 4 IN2 B 5 TESTA Logic input Test input. (Not available on HI-8445) 6 TESTB 7 IN3 A 9 IN4 A 10 IN4 B 11 OUT4 B 12 OUT4 A 13 OUT3 B 14 OUT3 A 15 VSS Power Ground 16 VDD Power Positive supply voltage 3.3V or 5.0 V Receiver 1 negative input ARINC input Receiver 2 positive input ARINC input Receiver 2 negative input Logic input Test input. (Not available on HI-8445) ARINC input Receiver 3 positive input 8 IN3 B ARINC input Receiver 3 negative input ARINC input Receiver 4 positive input ARINC input Receiver 4 negative input Logic output Receiver 4 "ZERO" output Logic output Receiver 4 "ONE" output Logic output Receiver 3 "ZERO" output Logic output Receiver 3 "ONE" output 17 OUT2 B Logic output Receiver 2 "ZERO" output 18 OUT2 A Logic output Receiver 2 "ONE" output 19 OUT1 B Logic output Receiver 1 "ZERO" output 20 OUT1 A Logic output Receiver 1 "ONE" output PIN DESCRIPTIONS (HI-8444, HI-8445) BLOCK DIAGRAMS IN1 A IN1 B IN2 A IN2 B IN3 A IN3 B IN4 A IN4 B TESTA TESTB OUT1 A OUT1 B OUT2 A OUT3 A OUT3 B OUT4 A OUT4 B OUT2 B IN1 A IN1 B IN2 A IN2 B IN3 A IN3 B IN4 A IN4 B OUT1 A OUT1 B OUT2 A OUT3 A OUT3 B OUT4 A OUT4 B OUT2 B HI-8444 HI-8445 IN4 AX OUT1 AX OUT4 A OUT4 B IN1 AX IN1 BX IN2 AX IN2 BX IN3 AX IN3 BX IN4 BX TESTA(X) TESTB(X) OUT1 BX OUT2 AX OUT3 AX OUT3 BX OUT4 AX OUT4 BX OUT2 BX TESTA(Y) TESTB(Y) IN4 AY IN1 AY IN1 BY IN2 AY IN2 BY IN3 AY IN3 BY IN4 BY OUT1 AY OUT1 BY OUT2 AY OUT3 AY OUT3 BY OUT4 AY OUT4 BY OUT2 BY HI-8448 HOLT INTEGRATED CIRCUITS 2 |
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