74HC245D

Description

74HC245 Pin Configuration Pin Number Pin Name Description 1 Direction Control (DIR) This pin decides the direction of the Data. 2 to 9 Data Input/output (A0-A7) These 8 pins can be used as 8-bit Input or 8-bit Output pins based on the state of DIR pin 10 Ground (GND) Connected to the ground of the system 11 to 18 Data Input/output (B0-B7) These 8 pins can be used as 8-bit Input or 8-bit Output pins based on the state of DIR pin 19 Output Enable (OE) Active Low pin – Used to Enable/Disable Input 20 Supply Voltage (Vcc) Differential Analog input +. Connect to ADC input Specifications Product Attribute Attribute Value Product Category: Bus Transceivers RoHS: Details Output Type: 3-State Logic Family: HC Number of Circuits: 1 Circuit Propagation Delay Time: 90 ns Package/Case: SOIC-20 Input Level: CMOS Output Level: CMOS Low Level Output Current: 7.8 mA High Level Output Current: – 7.8 mA Supply Voltage – Min: 2 V Supply Voltage – Max: 6 V Minimum Operating Temperature: – 40 C Maximum Operating Temperature: + 125 C Function: Bus Transceiver Mounting Style: SMD/SMT Number of Channels: 8 Channel Polarity: Non-Inverting Product: CMOS Product Type: Bus Transceivers Subcategory: Logic ICs Supply Current – Max: 8 uA Where to use a 74HC245 IC The 74HC245 is an 8-bit transceiver IC with 3-state output. Meaning it has two set of pins (A0-A7 and B0-B7), in which each set has 8 pins. Out of these two sets one set can be used as input and the other set can be used as output. Since the IC is