SP490EN Exar Corporation, SP490EN Datasheet
SP490EN
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SP490EN Summary of contents
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Full Duplex RS-485 Transceivers FEATURES ■ +5V Only ■ Low Power BiCMOS ■ Driver/Receiver Enable (SP491) ■ RS-485 and RS-422 Drivers/Receivers ■ Pin Compatible with LTC490 and SN75179 (SP490) ■ Pin Compatible with LTC491 and SN75180 (SP491) Now Available ...
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ABSOLUTE MAXIMUM RATINGS These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions ...
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and ± 5% unless otherwise noted. MIN MAX CC PARAMETERS SP490 RECEIVER AC Characteristics Maximum Data Rate Receiver Input to Output Receiver Input to Output Diff. Receiver Skew PLH PHL POWER ...
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DRIVER DRIVER OUTPUT OUTPUT A + DIFFERENTIAL DIFFERENTIAL OUTPUT OUTPUT – – SKEW = SKEW = DPLH - DPLH - ...
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ABSOLUTE MAXIMUM RATINGS These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions ...
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and ± 5% unless otherwise noted. MIN MAX CC PARAMETERS SP491 RECEIVER DC Characteristics Differential Input Threshold Input Hysteresis Output Voltage High Output Voltage Low Three State (high impedance) Output Current Input Resistance Input ...
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DESCRIPTION The SP490 and SP491 are full-duplex differential transceivers that meet the requirements of RS-485 and RS-422. Fabricated with a Sipex proprietary BiCMOS process, both products require a fraction of the power of older bipolar designs. The RS-485 standard is ...
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D e E/2 1 INDEX AREA (D/2 X E1/2) TOP VIEW 8 Pin NSOIC JEDEC MO-012 (AA) Variation SYMBOL MIN A 1.35 A1 0.1 A2 1.25 b 0.31 c 0.17 D 4.90 BSC E 6.00 BSC E1 3.90 BSC e ...
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D e E/2 1 INDEX AREA (D/2 X E1/2) TOP VIEW 14 Pin NSOIC JEDEC MO-012 (AB) Variation SYMBOL MIN A 1.35 A1 0.1 A2 1.25 b 0.31 c 0.17 D 8.65 BSC E 6.00 BSC E1 3.90 BSC e ...
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N INDEX AREA PIN PDIP JEDEC MS-001 (BA) Variation SYMBOL MIN 0.15 A2 0.115 b 0.014 b2 0.045 b3 0.3 c 0.008 D 0.355 D1 0.005 E 0.3 E1 0.24 ...
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N INDEX AREA PIN PDIP JEDEC MS-001 (AA) Variation SYMBOL MIN 0.15 A2 0.115 b 0.014 b2 0.045 b3 0.3 c 0.008 D 0.735 D1 0.005 E 0.3 E1 ...
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... SP490CN/TR ................................................................................ 0˚C to +70˚C ............................................................................... 8-Pin NSOIC SP490CS ...................................................................................... 0˚C to +70˚C ................................................................................ 8-Pin PDIP SP490EN ..................................................................................... -40˚C to +85˚C ............................................................................. 8-Pin NSOIC SP490EN/TR ............................................................................... -40˚C to +85˚C ............................................................................. 8-Pin NSOIC SP490ES ..................................................................................... -40˚C to +85˚C .............................................................................. 8-Pin PDIP SP491CN ...................................................................................... 0˚C to +70˚C .............................................................................. 14-Pin NSOIC SP491CN/TR ................................................................................ 0˚C to +70˚C .............................................................................. 14-Pin NSOIC SP491CS ...................................................................................... 0˚ ...