hi-8444 Holt Integrated Circuits, Inc., hi-8444 Datasheet
hi-8444
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hi-8444 Summary of contents
Page 1
... The TESTA and TESTB inputs bypass the analog inputs for testing purposes. They force the receiver outputs to the specified ZERO, ONE or NULL state. The ARINC inputs are ignored when the device is in the test mode. The HI-8445 is identical to the HI-8444 except the TESTA and TESTB pins are not available. FEATURES ! ...
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... IN1 A OUT1 A IN1 B OUT1 B IN2 A OUT2 A IN2 B OUT2 B IN3 A OUT3 A IN3 B OUT3 B IN4 A OUT4 A IN4 B OUT4 B TESTA TESTB HI-8444 PIN DESCRIPTIONS (HI-8444, HI-8445) PIN SYMBOL FUNCTION 1 IN1 A ARINC input 2 IN1 B ARINC input 3 IN2 A ARINC input 4 IN2 B ARINC input 5 TESTA Logic input ...
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... N/C 40 IN1 AX ARINC input 41 IN1 BX ARINC input 42 IN1 AY ARINC input 43 IN1 BY ARINC input 44 IN2 AX ARINC input HI-8444, HI-8445, HI-8448 RECEIVER SET DESCRIPTION X Receiver 2 negative input Y Receiver 2 positive input Y Receiver 2 negative input Not connected X Test input X Test input Y Test input Y Test input ...
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... DD SWITCHING CHARACTERISTICS ( °C) A Propagation delay IN to OUT Output rise time Output fall time Propagation delay TEST to OUT HI-8444, HI-8445, HI-8448 RECOMMENDED OPERATING CONDITIONS -0 Supply Voltage -0 +5.5 V VDD .................................. 3 5 Operating Temperature Range +1.0 A Industrial Screening ......... 350 mW Hi-Temp Screening ........ 275° ...
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... OUT B ARINC 429 Receiver Timing INTERNAL LIGHTNING PROTECTION (-10 Only) The HI-8444-10, HI-8445-10 and HI-8488-10 are similar to the “non -10” configurations with the exception that an external 15 Kohm resistor must be added in series with each ARINC input in order to properly detect the ARINC 429 specified input thresholds ...
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... HI-8444, HI-8445, HI-8448 Change “February” in title to “May”. Change “Rev. F” and “02/08” in footer to “Rev. G” and “05/08” respectively. Changed “10 Kohm”, “DO-160C/D”, and “and 5A” in second paragraph of the Description to “15 Kohm”, DO-160E”, and “5A, and 5B” respectively. ...
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... HI-8444, HI-8445, HI-8448 PACKAGE DIMENSIONS 20-PIN PLASTIC TSSOP .2555 ± .0035 (6.500 ± .100) .252 ± .006 (6.400 ± .150) Pin 1 .026 BSC (.650) BSC = “Basic Spacing between Centers” is theoretical true position dimension and has no tolerance. (JEDEC Standard 95) 44-PIN PLASTIC QUAD FLAT PACK (PQFP) .547 ± ...