LTC1343CGW#TRPBF Linear Technology, LTC1343CGW#TRPBF Datasheet
LTC1343CGW#TRPBF
Specifications of LTC1343CGW#TRPBF
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LTC1343CGW#TRPBF Summary of contents
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... Complete 2-Chip DTE or DCE Port Operates from Single 5V Supply Internal Echoed Clock and Loop-Back Logic U APPLICATIO S Data Networking CSU and DSU Data Routers , LTC and LT are registered trademarks of Linear Technology Corporation. U TYPICAL APPLICATIO DTE Multiprotocol Serial Interface with DB-25 Connector CTS DSR DCD DTR ...
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LTC1343 ABSOLUTE MAXIMUM (Note 1) Supply Voltage ....................................................... 6.5V Input Voltage Transmitters ........................... – 0. Receivers ............................................... – 18V to 18V Logic Pins .............................. – 0. Output Voltage Transmitters ................. (V – 0.3V) ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T SYMBOL PARAMETER t Supply Rise Time r Logic Inputs and Outputs V Logic Input High Voltage IH V Logic Input Low Voltage IL I Logic Input Current IN V Output High ...
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LTC1343 ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T SYMBOL PARAMETER t Input to Output PHL t Input to Output Difference, t PLH V.35 Driver V Differential Output Voltage OD I Transmitter Output High Current OH I Transmitter Output ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T SYMBOL PARAMETER V.10 Receiver V Receiver Input Threshold Voltage TH V Receiver Input Hysteresis TH I Receiver Input Current IN R Receiver Input Impedance Rise or Fall ...
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LTC1343 PIN FUNCTIONS V (Pin 8): Positive Supply for the Transceivers. 4.75V CC V 5.25V. Tie to PWRV (Pin 3 (Pin 9): TTL Level Driver 4 Input. D4EN (Pin 10): TTL Level Enable Input ...
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TEST CIRCUITS Figure 1. RS422 Driver Test Circuit Figure 4. V.10/V.28 Driver Test Circuit W U ODE SELECTIO LTC1343 MODE NAME M2 M1 ...
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LTC1343 U W SWITCHI WAVEFOR PLH B – 50% – OD2 B – –V OD2 t PLH V OH ...
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U U APPLICATIONS INFORMATION Overview The LTC1343 is a 4-driver/4-receiver multiprotocol trans- ceiver that operates from a single 5V supply. Two LTC1343s form the core of a complete software-selectable DTE or DCE interface port that supports the RS232, RS449, EIA-530, ...
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LTC1343 U U APPLICATIONS INFORMATION RL (Remote Loop-back) and RI (Ring Indicate). The LTC1344 cable termination chip is used only for the clock and data signals because they must support V.35 cable termination. The control signals do not need any ...
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U U APPLICATIONS INFORMATION DCE/DTE LATCH DCE/DTE LATCH CONTROLLER DCE/DTE DCE/DTE LATCH 1 LATCH 2 LATCH LATCH 3 Figure 12: Mode Selection by the Controller has a unique ...
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LTC1343 U U APPLICATIONS INFORMATION The V.10 receiver configuration in the LTC1343 and LTC1344 is shown in Figure 15. In V.10 mode switches S1 and S2 inside the LTC1344 and S3 inside the LTC1343 are turned off. Switch S4 inside ...
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U U APPLICATIONS INFORMATION ' A A LTC1344 20k 51 124 R2 R4 51.5 20k GND Figure 19. V.28 Receiver Configuration V.35 Interface A typical V.35 ...
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LTC1343 U U APPLICATIONS INFORMATION Echoed Clock Mode The LTC1343 contains the logic to generate the echoed clock when using a serial controller with only two clock pins. Figure 23 shows the chip in both the DTE and DCE echoed ...
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U U APPLICATIONS INFORMATION SERIAL LTC1343 CONTROLLER D1 LL TXD D2 SCTE D3 D4 TXC R1 R2 RXC RXD LTC1343 RL D1 RTS D2 DTR D3 D4 DCD R1 ...
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LTC1343 U U APPLICATIONS INFORMATION SERIAL LTC1343 CONTROLLER D1 LL TXD D2 TXC RXC R3 RXD LTC1343 RL D1 RTS D2 DTR D3 D4 DCD R1 R2 ...
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U U APPLICATIONS INFORMATION No-Cable Mode The no-cable mode ( intended for the case when the cable is disconnected from the connector. The charge pump, bias circuitry, drivers and receivers are turned off, ...
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LTC1343 U U APPLICATIONS INFORMATION The EC pin has no affect on the configuration when CTRL/ CLK is high except to allow the DCE/DTE pin to become an enable. When DCE/DTE is low, the driver 1 output is enabled. The ...
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U U APPLICATIONS INFORMATION TXD 7 SCTE TXC 14 RXC 15 RXD 16 ...
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LTC1343 U U APPLICATIONS INFORMATION RXD 7 RXC 9 TXC SCTE ...
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U U APPLICATIONS INFORMATION DTE_LL/DCE_TM DTE_TXD/DCE_RXD DTE_SCTE/DEC_RXC DTE_TXC/DCE_TXC DTE_RXC/DCE_SCTE DTE_RXD/DCE_TXD DTE_TM/DCE_LL R1 100k + C11 + C12 ...
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LTC1343 U U APPLICATIONS INFORMATION LTC1343 DCE LTC1343 RXD D2 7 RXC D3 21 DCE 9 TXC ...
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U U APPLICATIONS INFORMATION TXD 7 SCTE TXC 14 RXC 15 RXD 16 ...
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LTC1343 U U APPLICATIONS INFORMATION RXD 7 RXC 9 TXC SCTE ...
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U U APPLICATIONS INFORMATION DTE_TXD/DCE_RXD 7 DTE_SCTE/DEC_RXC DTE_TXC/DCE_TXC 14 DTE_RXC/DCE_SCTE 15 DTE_RXD/DCE_TXD 16 20 ...
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LTC1343 U U APPLICATIONS INFORMATION DTE_LL/DCE_TM 6 DTE_TXD/DCE_RXD 7 DTE_SCTE/DEC_RXC DTE_TXC/DCE_TXC 14 DTE_RXC/DCE_SCTE 15 DTE_RXD/DCE_TXD ...
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... Figure 39. Cable-Selectable Multiprotocol DTE Port with DB-26 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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... G44 SSOP 1098 1343fa LT/TP 0899 2K REV A • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 1996 ...