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SN65HVD23D Datasheet(PDF) 2 Page - Texas Instruments |
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SN65HVD23D Datasheet(HTML) 2 Page - Texas Instruments |
2 / 28 page SN65HVD20,SN65HVD21 SN65HVD22,SN65HVD23,SN65HVD24 SLLS552D − DECEMBER 2002 − REVISED APRIL 2005 www.ti.com 2 These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. DESCRIPTION (continued) The ‘HVD20 provides high signaling rate (up to 25 Mbps) for interconnecting networks of up to 64 nodes. The ‘HVD21 allows up to 256 connected nodes at moderate data rates (up to 5 Mbps). The driver output slew rate is controlled to provide reliable switching with shaped transitions which reduce high-frequency noise emissions. The ‘HVD22 has controlled driver output slew rate for low radiated noise in emission-sensitive applications and for improved signal quality with long stubs. Up to 256 ‘HVD22 nodes can be connected at signaling rates up to 500 kbps. The ‘HVD23 implements receiver equalization technology for improved jitter performance on differential bus applications with data rates up to 25 Mbps at cable lengths up to 160 meters. The ‘HVD24 implements receiver equalization technology for improved jitter performance on differential bus applications with data rates in the range of 1 Mbps to 10 Mbps at cable lengths up to 1000 meters. The receivers also include a failsafe circuit that provides a high-level output within 250 microseconds after loss of the input signal. The most common causes of signal loss are disconnected cables, shorted lines, or the absence of any active transmitters on the bus. This feature prevents noise from being received as valid data under these fault conditions. This feature may also be used for Wired-Or bus signaling. The SN65HVD2X devices are characterized for operation over the temperature range of −40 °C to 85°C. PRODUCT SELECTION GUIDE PART NUMBERS CABLE LENGTH AND SIGNALING RATE(1) NODES MARKING SN65HVD20 Up to 50 m at 25 Mbps Up to 64 D: VP20 P: 65HVD20 SN65HVD21 Up to 150 m at 5 Mbps (with slew rate limit) Up to 256 D: VP21 P: 65HVD21 SN65HVD22 Up to1200 m at 500 kbps (with slew rate limit) Up to 256 D: VP22 P: 65HVD22 SN65HVD23 Up to 160 m at 25 Mbps (with receiver equalization) Up to 64 D: VP23 P: 65HVD23 SN65HVD24 Up to 500 m at 3 Mbps (with receiver equalization) Up to 256 D: VP24 P: 65HVD24 (1) Distance and signaling rate predictions based upon Belden 3105A cable and 15% eye pattern jitter. AVAILABLE OPTIONS PLASTIC THROUGH-HOLE P−PACKAGE (JEDEC MS-001) PLASTIC SMALL-OUTLINE(1) D−PACKAGE (JEDEC MS-012) SN65HVD20P SN65HVD21P SN65HVD22P SN65HVD23P SN65HVD24P SN65HVD20D SN65HVD21D SN65HVD22D SN65HVD23D SN65HVD24D (1) Add R suffix for taped and reeled carriers. |
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