MAX238C/D

Series:	--
Part Status:	Obsolete
Type:	Transceiver
Protocol:	RS232
Number of Drivers/Receivers:	4/4
Duplex:	Full
Receiver Hysteresis:	500mV
Data Rate:	120Kbps
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	0°C ~ 70°C
Mounting Type:	Surface Mount
Package / Case:	Die
Supplier Device Package:	Die

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MAX238C/D is a standard industry 4- bit universal in line transceiver/receiver, with support for controlling multiple input/output pins. It is used for interfacing between low speed logic circuits and high speed transistor-transistor logic (TTL) systems. It can also be used for interfacing between AC-coupled and DC-coupled data bus applications. The MAX238C/D can be used to reduce the number of ports used to connect high speed TTL systems.The MAX238C/D is an integrated circuit device that contains four sets of data input/output pins, an input/output latch, control logic, and an internal auxiliary bus. The MAX238C/D can be used to route four individual data channels between two separate inputs/outputs, and to store data in the latch when needed. The device also contains two control logic inputs, and two output enables. The Control logic inputs can be used to interface the device to external logic circuits.The MAX238C/D supports multiple data formats, with support for 4-bit parallel and 2-bit serial buses. For parallel communications, the maximum data rate is 75 Mbps, and for serial communications, the maximum rate is 3.5 Mbps. The device is capable of controlling up to eight data channels and four enable inputs. The MAX238C/D also has an auxiliary bus input/output to enable data that could be used to enable external logic devices such as PLDs, ROMs, and FPGAs.The MAX238C/D supports TTL and CMOS logic levels, and can be used to interface between logic devices with different logic levels. The device also features low power consumption and high noise immunity.The MAX238C/D can be used in a variety of applications, such as connecting digital transmitters and receivers, controlling multiplexers, and interfacing between low speed logic devices and high speed devices operating at different logic levels. The device is also useful for connecting multiple TTL devices to a single bus, or connecting two data busses of different logic levels, or connecting two data busses of different data formats.The working principle of the MAX238C/D is to transfer data from one set of logic outputs to another set of logic inputs. The device utilizes a control logic input to enable the latch and output control signals, which are used to coordinate the transfer of data. The device also uses an auxiliary bus, which can be used to enable external logic devices or to route data from one bus to another.The MAX238C/D is widely used in a variety of applications, such as digital transmission and reception, dual bus interface, and high speed data transfer. It is suitable for a wide range of applications due to its low power consumption, high noise immunity, and support for multiple data formats. The device is ideal for interfacing devices operating at different logic levels, and is an economical solution for connecting multiple TTL devices to a single bus.

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