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ML145403DW 数据表(PDF) 1 Page - LANSDALE Semiconductor Inc. |
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ML145403DW 数据表(HTML) 1 Page - LANSDALE Semiconductor Inc. |
1 / 8 page www.lansdale.com Page 1 of 8 Issue A ML145403 ML145404 ML145405 ML145408 Drivers/Receivers RS 232/EIA–232–E and CCITT V.28 Legacy Device: Motorola MC145403, MC145404, MC145405, MC145408 These devices are silicon gate CMOS ICs that combine both the transmitter and receiver to fulfill the electrical specifications of EIA Standard 232–E and CCITT V.28. The drivers feature true TTL input compatibility, slew rate limiting outputs, 300 Ω power–off source impedance, and output typically switching to within 25% of the sup- ply rails. The receivers can handle up to ± 25 V while presenting 3 to 7 k Ω impedance. Hysteresis in the receivers aid in the reception of noisy signals. By combining both drivers and receivers in a single CMOS chip, these devices provide efficient, low–power solutions for both EIA–232–E and V.28 applications. These devices offer the following performance features: • Operating Temperature Range TA = –40° to +85°C Drivers • ± 5 to ± 12 V Supply Range • 300 Ω Power–Off Source Impedance • Output Current Limiting • TTL and CMOS Compatible Inputs • Driver Slew Rate Range Limited to 30 V/µs Maximum Receivers • ± 25 V Input Range • 3 to 7 k Ω Input Impedance • 0.8 V of Hysteresis for Enhanced Noise Immunity • TTL and CMOS Compatible Outputs Note: Lansdale lead free (Pb) product, as it becomes available, will be identified by a part number prefix change from ML to MLE. Available Driver/Receiver Combinations Device Drivers Receivers Figure No. of Pins ML145403 3 5 1 20 ML145404 4 4 2 20 ML145405 5 3 3 20 ML145408 5 5 4 24 Alternative EIA–232 devices to consider are: Three Supply Single Supply ML145406 (3 x 3) ML145407 (3 x 3) |
类似零件编号 - ML145403DW |
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类似说明 - ML145403DW |
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