74HC244 Octal Buffer Line Driver IC (74244) DIP 20 PackageThe 74HC244 (equivalent to 74244) is an octal buffer/line driver IC featuring 8 non-inverting three-state outputs.It is designed to improve signal integrity and drive capability when transferring data between different parts of a digital system — such as between a microcontroller and memory, or between buses.The IC contains two groups of four buffers, each controlled by a separate enable input (active LOW), allowing independent control of data flow direction.It belongs to the 74HC (High-Speed CMOS) logic family, offering low power consumption, high speed, and TTL-compatible inputs.Click here to view related productsFeatures :-Input levels:For 74HC244: CMOS levelFor 74HCT244: TTL levelOctal bus interfaceNon-inverting 3-state outputsComplies with JEDEC standard no. 7 AESD protection:HBM JESD22-A114F exceeds 2000 VMM JESD22-A115-A exceeds 200 VMultiple package optionsSpecified from -40 ?C to 85 ?C and -40 ?C to 125 ?CParameterSpecificationSupply Voltage (VCC)2.0 to 6.0VInput Voltage (VIN) 0 to VCCOutput Voltage (VOUT) 0 to VCCinput transition rise and fall rate 1.67 to 139ambient temperature-40 to 125total power dissipation750 Storage Temperature Range (TSTG)? 65°C to 150°Cground current-70supply current -70output current 35Functional DescriptionThe 74HC244 acts as a bus driver or buffer.Each group of four buffers can be enabled or disabled independently via their respective enable pins (1OE and 2OE).When an enable input (OE) is LOW, the corresponding outputs follow the inputs.When OE is HIGH, the corresponding outputs go into a high-impedance (Hi-Z) state, effectively disconnecting them from the circuit (useful for bus sharing).ApplicationsMicroprocessor or microcontroller bus interfaceMemory address or data line bufferingPeripheral interfacingSignal isolation and amplificationBidirectional data bus driving (with complementary ICs)Backplane or communication bus systems* Product image for illustration purposes only, actual product may vary.
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