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MC145404

DRIVER / RECEIVERS

ThesedevicesaresilicongateCMOSICsthatcombineboththetransmitterandreceivertofulfilltheelectricalspecificationsofEIAStandard232–EandCCITTV.28.ThedriversfeaturetrueTTLinputcompatibility,slewratelimitingoutputs,300?power–offsourceimpedance,andoutputtypically

MC145404

EIA-232/V.28 CMOS Driver/Receiver, 4 x 4; Drivers\n\n\t?+/- 5 to +/- 12 V Supply Range\n\t?300 ohm Power-Off Source Impedance\n\t?Output Current Limiting\n\t?TTL and CMOS Compatible Inputs\n\t?Driver Slew Rate Range Limited to 30 V/microseconds Maximum\n\nReceivers\n\n\t?+/- 25 V Input Range\n\t?3 to 7 k ohm Input Impedance\n\t?0.8 V of Hysteresis for Enhanced Noise Immunity\n\t?TTL and CMOS Compatible Outputs\n;

Overview The MC145404 has been discontinued. Suggested replacement: none.The MC145404 is a silicon-gate CMOS IC that combines both the transmitter and receiverto 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 ohm power-off source impedance, and output typically switching to within 25% of the supply rails. The receivers canhandle up to +/- 25 V while presenting 3 to 7 k ohms impedance. Hysteresis in the receivers aidsin 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. See related devices:MC145403 (3 x 5), MC145405 (5 x 3), MC145408 (5 x 5)

MC145404

Drivers/Receivers RS 232/EIA-232-E and CCITT V.28;

MC145404DW

DRIVER / RECEIVERS

ThesedevicesaresilicongateCMOSICsthatcombineboththetransmitterandreceivertofulfilltheelectricalspecificationsofEIAStandard232–EandCCITTV.28.ThedriversfeaturetrueTTLinputcompatibility,slewratelimitingoutputs,300?power–offsourceimpedance,andoutputtypically

MC145404P

DRIVER / RECEIVERS

ThesedevicesaresilicongateCMOSICsthatcombineboththetransmitterandreceivertofulfilltheelectricalspecificationsofEIAStandard232–EandCCITTV.28.ThedriversfeaturetrueTTLinputcompatibility,slewratelimitingoutputs,300?power–offsourceimpedance,andoutputtypically

MC145404-6P

Drivers/Receivers RS 232/EIA??32?? and CCITT V.28

MC145404DW

Drivers/Receivers RS 232/EIA??32?? and CCITT V.28

MC145404P

Drivers/Receivers RS 232/EIA??32?? and CCITT V.28

MC145404RP

Drivers/Receivers RS 232/EIA??32?? and CCITT V.28