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ML145407-6P Arkusz danych(PDF) 1 Page - LANSDALE Semiconductor Inc. |
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ML145407-6P Arkusz danych(HTML) 1 Page - LANSDALE Semiconductor Inc. |
1 / 8 page www.lansdale.com Page 1 of 8 Issue A ML145407 5 Volt Only Driver/Receiver RS232 EIA–232–E and CCITT V.28 Legacy Device: Motorola MC145407 The ML145407 is a silicon–gate CMOS IC that combines three drivers and three receivers to fulfill the electrical specifications of RS232 EIA–232–E and CCITT V.28 while operating from a single + 5 V power supply. A voltage doubler and inverter convert the + 5V to ± 10 V. This is accomplished through an on–board 20 kHz oscillator and four inexpensive external electrolytic capacitors. The three drivers and three receivers of the ML145407 are virtually identical to those of the ML145406. Therefore, for applications requiring more than three drivers and/or three receivers, an ML145406 can be powered from an ML145407, since the ML145407 charge pumps have been designed to guarantee ± 5 V at the output of up to six drivers. Thus, the ML145407 provides a high–performance, low–power, stand–alone solution or, with the ML145406, a + 5 V only, high–performance two–chip solution. This device offers the following performance features: • Operating Temperature Range = TA –40° to +85°C Drivers • ± 7.5 V Output Swing • 300 Ω Power–Off Impedance • Output Current Limiting • TTL and CMOS Compatible Inputs • Slew Rate Range Limited from 4 V/µs to 30 V/µs Receivers • + 25 V Input Range • 3 to 7 k Ω Input Impedance • 0.8 V Hysteresis for Enhanced Noise Immunity Charge Pumps • + 5 V to ± 10 V Dual Charge Pump Architecture • Supply Outputs Capable of Driving Three On–Chip Drivers and Three Drivers on the ML145406 Simultaneously • Requires Four Inexpensive Electrolytic Capacitors • On–Chip 20 kHz Oscillator P DIP 20 = RP PLASTIC DIP CASE 738 SOG 20 = -6P SOG PACKAGE CASE 751D 20 1 20 1 CROSS REFERENCE/ORDERING INFORMATION MOTOROLA P DIP 20 MC145407P ML145407RP SOG 20 MC145407DW ML145407-6P LANSDALE PACKAGE Note: Lansdale lead free (Pb) product, as it becomes available, will be identified by a part number prefix change from ML to MLE. R R D R D D C2+ GND C2– VSS Rx1 Tx1 Rx2 Tx2 Rx3 Tx3 C1+ VCC C1– VDD DO1 DI1 DO2 DI2 DO3 DI3 20 19 18 17 16 15 14 13 12 11 1 2 3 4 5 6 7 8 9 10 PIN ASSIGNMENT D = DRIVER R = RECEIVER |
Podobny numer części - ML145407-6P |
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Podobny opis - ML145407-6P |
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