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74ABT899DB Fiches technique(PDF) 5 Page - NXP Semiconductors |
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74ABT899DB Fiches technique(HTML) 5 Page - NXP Semiconductors |
5 / 16 page Philips Semiconductors Product specification 74ABT899 9-bit dual latch transceiver with 8-bit parity generator/checker (3-State) 1998 Jan 16 5 PARITY AND ERROR FUNCTION TABLE INPUTS OUTPUTS SEL ODD/EVEN xPAR (A or B) Σ of High Inputs xPAR (B or A) ERRt ERRr* PARITY MODES H H H Even Odd H H H L H L Odd H H L Even Odd L L L H L H Mode Feed-through/check parity H L H Even Odd H H L H L H Even H L L Even Odd L L H L H L Mode L H H Even Odd H L H L H H Odd L H L Even Odd H L L H H H Mode Generate parity L L H Even Odd L H L H H H Even L L L Even Odd L H H L H H Mode H = High voltage level L = Low voltage level t = Transmit–if the data path is from A →B then ERRt is ERRA r = Receive–if the data path is from A →B then ERRr is ERRB * Blocked if latch is not transparent ABSOLUTE MAXIMUM RATINGS1, 2 SYMBOL PARAMETER CONDITIONS RATING UNIT VCC DC supply voltage –0.5 to +7.0 V IIK DC input diode current VI < 0 –18 mA VI DC input voltage3 –1.2 to +7.0 V IOK DC output diode current VO < 0 –50 mA VOUT DC output voltage3 output in Off or High state –0.5 to +5.5 V IOUT DC output current output in Low state 128 mA Tstg Storage temperature range –65 to 150 °C NOTES: 1. Stresses beyond those listed may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. 2. The performance capability of a high-performance integrated circuit in conjunction with its thermal environment can create junction temperatures which are detrimental to reliability. The maximum junction temperature of this integrated circuit should not exceed 1505C. 3. The input and output voltage ratings may be exceeded if the input and output current ratings are observed. |
Numéro de pièce similaire - 74ABT899DB |
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Description similaire - 74ABT899DB |
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