MM74HC245AMTCX ,Octal 3-STATE TransceiverMM74HC245A Octal 3-STATE TransceiverSeptember 1983Revised February 1999MM74HC245AOctal 3-STATE Tran ..
MM74HC245AN ,Octal 3-STATE TransceiverMM74HC245A Octal 3-STATE TransceiverSeptember 1983Revised February 1999MM74HC245AOctal 3-STATE Tran ..
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MM74HC245ASJX ,Octal 3-STATE TransceiverMM74HC245A Octal 3-STATE TransceiverSeptember 1983Revised February 1999MM74HC245AOctal 3-STATE Tran ..
MM74HC245AWM ,Octal 3-STATE TransceiverMM74HC245A Octal 3-STATE TransceiverSeptember 1983Revised February 1999MM74HC245AOctal 3-STATE Tran ..
MM74HC245AWMX ,Octal 3-STATE TransceiverMM74HC245A Octal 3-STATE TransceiverSeptember 1983Revised February 1999MM74HC245AOctal 3-STATE Tran ..
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MM74HC245AMTC-MM74HC245AMTCX-MM74HC245AN-MM74HC245ASJ-MM74HC245ASJX-MM74HC245AWM-MM74HC245AWMX
Octal 3-STATE Transceiver
MM74HC245A Octal 3-STATE Transceiver September 1983 Revised February 1999 MM74HC245A Octal 3-STATE Transceiver This device can drive up to 15 LS-TTL Loads, and does not General Description have Schmitt trigger inputs. All inputs are protected from The MM74HC245A 3-STATE bidirectional buffer utilizes damage due to static discharge by diodes to V and CC advanced silicon-gate CMOS technology, and is intended ground. for two-way asynchronous communication between data buses. It has high drive current outputs which enable high Features speed operation even when driving large bus capaci- tances. This circuit possesses the low power consumption � Typical propagation delay: 13 ns and high noise immunity usually associated with CMOS cir- � Wide power supply range: 2–6V cuitry, yet has speeds comparable to low power Schottky � Low quiescent current: 80 μA maximum (74 HC) TTL circuits. � 3-STATE outputs for connection to bus oriented systems This device has an active LOW enable input G and a direc- � High output drive: 6 mA (minimum) tion control input, DIR. When DIR is HIGH, data flows from the A inputs to the B outputs. When DIR is LOW, data flows � Same as the 645 from the B inputs to the A outputs. The MM74HC245A transfers true data from one bus to the other. Ordering Code: Order Number Package Number Package Description MM74HC245AWM M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide MM74HC245ASJ M20D 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide MM74HC245AMTC MTC20 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide MM74HC245AN N20A 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Connection Diagram Truth Table Pin Assignments for DIP, SOIC, SOP and TSSOP Control Inputs Operation G DIR L L B data to A bus L H A data to B bus HX Isolation H = HIGH Level L = LOW Level X = Irrelevant Top View © 1999 DS005165.prf
