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74HC245: Octal Bus Transceiver — Specs & Buying Guide
74HC245 guide: octal bidirectional bus transceiver, 3-state outputs, applications and sourcing.
74HC245 guide: octal bidirectional bus transceiver, 3-state outputs, applications and sourcing.
The 74HC245 is an octal bus transceiver used for bidirectional data buses. This guide covers its specifications and procurement.
By Vigny (深圳市华芯购电子有限公司) · Published 2026-09-27 · Data verified 2026-09-29 · Sources: manufacturer datasheets & HuaXinGou stock verification
The 74HC245 provides eight bidirectional buffer/line-driver channels with 3-state outputs. Direction (DIR) and output-enable (OE) pins control data flow; it operates at 2V-6V.
Data bus buffering between MCU and peripherals, level isolation, address/data bus driving in memory and expansion boards.
DIP-20, SOIC-20, TSSOP-20. The 74LVC245 variant supports 3.3V with 5V tolerance.
74HC245 is a commodity logic part from TI, NXP, ON and domestic fabs. HuaXinGou confirms availability for your volume.
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