LTC1544CG#TR Linear Technology, LTC1544CG#TR Datasheet
LTC1544CG#TR
Specifications of LTC1544CG#TR
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LTC1544CG#TR Summary of contents
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... LTC1546 includes software-selectable cable termination on- chip. The LTC1544 runs from a 5V supply and the charge pump on the LTC1543 or LTC1546. The part is available in a 28-lead SSOP surface mount package. , LTC and LT are registered trademarks of Linear Technology Corporation. DTR RTS RXD RXC LTC1543 ...
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LTC1544 ABSOLUTE AXI U RATI GS (Note 1) Supply Voltage, V ................................................ 6.5V CC Input Voltage Transmitters ........................... – 0. Receivers ............................................... – 18V to 18V Logic Pins .............................. – 0. Output Voltage ...
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ELECTRICAL CHARACTERISTICS ture range, otherwise specifications are at T SYMBOL PARAMETER Logic Inputs and Outputs V Logic Input High Voltage IH V Logic Input Low Voltage IL I Logic Input Current IN V Output High Voltage OH V Output Low ...
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LTC1544 ELECTRICAL CHARACTERISTICS ture range, otherwise specifications are at T SYMBOL PARAMETER V.10 Driver V Output Voltage O V Output Voltage T I Short-Circuit Current SS I Output Leakage Current Rise or Fall Time r f ...
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CTIO S V (Pin 1): Positive Supply for the Transceivers. 4.75V CC V 5.25V. Connect capacitor to ground (Pin 2): Positive Supply Voltage for V.28. Connect Pin ...
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LTC1544 TEST CIRCUITS Figure 3. V.10/V.28 Driver Test Circuit W U ODE SELECTIO LTC1544 MODE NAME M2 M1 Not Used (Default V.11 RS530A 0 0 RS530 ...
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U W SWITCHI WAVEFOR PLH – A 50% – OD2 B – –V OD2 t PLH V OH ...
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LTC1544 U U APPLICATIONS INFORMATION Overview The LTC1543/LTC1544 form the core of a complete soft- ware-selectable DTE or DCE interface port that supports the RS232, RS449, EIA530, EIA530-A, V.35, V.36 or X.21 protocols. Cable termination may be implemented using the ...
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U U APPLICATIONS INFORMATION Mode Selection The interface protocol is selected using the mode select pins M0, M1 and M2 (see the Mode Selection table). For example, if the port is configured as a V.35 interface, the mode selection pins ...
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LTC1544 U U APPLICATIONS INFORMATION Cable Termination Traditional implementations have included switching resistors with expensive relays, or requiring the user to change termination modules every time the interface standard has changed. Custom cables have been used with the termination in ...
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U U APPLICATIONS INFORMATION V.11 (RS422) Interface A typical V.11 balanced interface is shown in Figure 14. A V.11 differential generator with outputs A and B with ground C is connected to a differential receiver with ' ' ground C ...
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LTC1544 U U APPLICATIONS INFORMATION V.35 Interface A typical V.35 balanced interface is shown in Figure 18. A V.35 differential generator with outputs A and B with ground C is connected to a differential receiver with ' ' ground C ...
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U U APPLICATIONS INFORMATION The generator differential impedance must be 50 150 and the impedance between shorted terminals (A and B) and ground C must be 150 generator termination, switches S1 and S2 are both on and the top side ...
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LTC1544 U U APPLICATIONS INFORMATION The LTC1543/LTC1544 can be configured for either DTE or DCE operation in one of two ways: a dedicated DTE or DCE port with a connector of appropriate gender or a port with one connector that ...
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U TYPICAL APPLICATIO CHARGE LTC1543 5 TXD 6 SCTE TXC 9 RXC 10 RXD ...
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LTC1544 U TYPICAL APPLICATIO CHARGE PUMP LTC1543 5 RXD D1 6 RXC TXC 9 R2 SCTE 10 TXD ...
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U TYPICAL APPLICATIO DTE_TXD/DCE_RXD 6 DTE_SCTE/DCE_RXC 7 8 DTE_TXC/DCE_TXC 9 DTE_RXC/DCE_SCTE 10 DTE_RXD/DCE_TXD DCE/DTE V ...
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LTC1544 U TYPICAL APPLICATIO DTE_LL/DCE_TM 6 DTE_TXD/DCE_RXD 7 DTE_SCTE/DCE_RXC DTE_TXC/DCE_TXC 14 DTE_RXC/DCE_SCTE 15 DTE_RXD/DCE_TXD 16 DTE_TM/DCE_LL 20 ...
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... Figure 26. Cable-Selectable Multiprotocol DTE/DCE Port with DB-25 Connector Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...
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... Companion to LTC1544 for Data and Clock Signals Companion to LTC1544 for Data and Clock Signals 7.65 – 7.90 (0.301 – 0.311 1.73 – 1.99 (0.068 – 0.078) 0.05 – 0.21 (0.002 – 0.008) G28 SSOP 1098 sn1544 1544fas LT/TP 0100 2K REV A • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 1998 ...