zt490leep ywyn Corporation, zt490leep Datasheet
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zt490leep Summary of contents
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... Full 1 ywyn Zywyn Corporation • Tel (408) 733-3225 • Fax (408) 733-3206 • Email sales@zywyn.com • www.zywyn.com General Description The ZT485E series devices are 5V differential data line transceivers for RS485/RS422 communication that consist of one driver and one receiver with high level of ESD protection ...
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... No license or proprietary rights are granted by implication or otherwise under any patent or patent rights of Zywyn Corporation. 2 ZT4xxE Specifi cations subject to change without notice August 2007 ...
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... Zywyn Corporation DC Electrical Characteristics Unless otherwise stated +5.0V Parameter Condition TTL Logic Input DE, DI, RE TTL Logic Output RO RS-485 Input A, B RS-485 Output Y, Z Power Pin GND Temp 0°C to +70°C Commercial Grade Temp –40°C to +85°C Industrial Grade V Voltage Range ...
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... Zywyn Corporation AC Electrical Characteristics (ZT485E, ZT490E, and ZT491E) Unless otherwise stated +5.0V Parameter Condition Transmitter Timing Transmitter Propagation t R PLH DIFF Transmitter Propagation t R PHL DIFF Transmitter Output Skew t |tPLH - tPHL| SK Transmitter Rise/Fall Time Transmitter Output Enable ...
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... Zywyn Corporation AC Electrical Characteristics (ZT483E, ZT488E, and ZT489E) Unless otherwise stated +5.0V Parameter Condition Transmitter Timing Transmitter Propagation t R PLH DIFF Transmitter Propagation t R PHL DIFF Transmitter Output Skew t |tPLH - tPHL| SK Transmitter Rise/Fall Time Transmitter Output Enable To Output HIGH, C ...
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... Zywyn Corporation Pin Description Pin Numbers ZT483E/ZT485E ZT488E/ZT490E n/a n/a 6 n/a 7 n/a 8 n/a Z ywyn ZT489E/ZT491E 2 2 n n/a n n ZT4xxE Name Description RO Receiver Output. If A>B by 200mV, then RO = HIGH; If A<B by 200mV, then RO = LOW RE Receiver Output Enable. ...
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... Zywyn Corporation Circuit Description The ZT483E, ZT485E, ZT489E, ZT490E, and ZT491E are low- power transceivers for RS-485 and RS-422 communications. The RS-485 standard is ideal for multi-drop applications and for long-distance interfaces. The TIA/EIA-485 specifi cation allows drivers and 32 receivers to be connected to a data bus, making it an ideal choice for multi-drop applications ...
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... Zywyn Corporation Function Table ZT483E/ZT485E DRIVER Outputs Input Enable Open Open Z ZT488E/ZT490E DRIVER Outputs Input Open ZT489E/ZT491E DRIVER Outputs Input Enable Open ...
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... Zywyn Corporation Pin Confi guration ZT483E/ZT485E 8-Pin PDIP/nSOIC Typical Application Circuits Notes: A. The bus should be terminated at both ends in its characteristic impedance Stub lengths off the main bus should be kept as short as possible. C. Can connect devices on the same common bus ...
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... Zywyn Corporation Typical Test Circuits Notes: A. The test load capacitance includes probe and test jig capacitance, unless otherwise specifi ed. B. The signal generator had the following characteristics: Pulse rate = 1000 kHz, 50% duty cyle, Z Figure 1. Driver Test Circuit, V Common-Mode Loading Figure 3. Driver Common-Mode Output Voltage (V Figure 4 ...
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... Zywyn Corporation Typical Test Circuits Figure 6. Driver Enable/Disable Test Circuit and Waveforms, Low Output Figure 7. Driver Short-Circuit Test Confi guration Figure 9. Receiver Propagation (t Figure 10. Receiver Output Enable/Disable Test Circuit and Waveforms, Data Output High Figure 11. Receiver Output Enable/Disable Test Circuit and Waveforms, Data Output Low Z ywyn Figure 8. Receiver Parameter Defi ...
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... Zywyn Corporation Green Package SMD IR Refl ow Profi le Information IR Reflow Profile Conditions Profile Feature Average Ramp-Up Rate ( Smax P Pre-heat - Temperature Min (T ) Smin - Temperature Max (T ) Smax - Time ( Smin Smax Time maintained above: - Temperature ( Time ( Peak/Classification Temperature ( ...
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... Zywyn Corporation Package Information Z ywyn Specifi cations subject to change without notice 13 ZT4xxE 8-pin PDIP 14-pin PDIP August 2007 rev. 1.5 ...
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... Zywyn Corporation Z ywyn Specifi cations subject to change without notice 14 ZT4xxE 8-pin nSOIC ZYWYN CORPORATION 14-pin nSOIC August 2007 rev. 1.5 ...
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... C to +85 ° C ZT489LEEN/TR -40 ° +85 ° C ZT489LEEP -40 ° +85 ° C ZT490LEEN/TR -40 ° +85 ° C ZT490LEEP -40 ° +85 ° C ZT491LEEN/TR -40 ° +85 ° C ZT491LEEP Please contact the factory for pricing and availability on Tape-on-Reel option. Part Marking Information TOPSIDE MARK INSTRUCTIONS: ...