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U74HCT245

Unisonic Technologies
Part Number U74HCT245
Manufacturer Unisonic Technologies
Description OCTAL BUS TRANSCEIVERS
Published Nov 6, 2012
Detailed Description UNISONIC TECHNOLOGIES CO., LTD U74HCT245 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS  DESCRIPTION The U74HCT245 is des...
Datasheet PDF File U74HCT245 PDF File

U74HCT245
U74HCT245

Overview
UNISONIC TECHNOLOGIES CO.
, LTD U74HCT245 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS  DESCRIPTION The U74HCT245 is designed for the asynchronous communication between data buses.
While the direction-control(DIR) is high, data transmits from the A bus to the B bus.
Data transmits from the B bus to the A bus if DIR is low.
The output-enable OE will isolate the device from the buses when high voltage is applied on it.
 FEATURES * Operate from 4.
5V to 5.
5V * Typical tPD is 14ns at 5.
5V * Inputs are TTL Voltage Compatible  ORDERING INFORMATION Ordering Number Lead Free Halogen Free U74HCT245L-D20-T U74HCT245G-D20-T U74HCT245L-S20-R U74HCT245G-S20-R U74HCT245L-R20-R U74HCT245G-R20-R U74HCT245L-P20-R U74HCT245G-P20-R Package DIP-20 SOP-20 SSOP-20 TSSOP-20 CMOS IC DIP-20 SOP-20 SSOP-20 TSSOP-20 Packing Tube Tape Reel Tape Reel Tape Reel  MARKING DIP-20 SOP-20 / SSOP-20 / TSSOP-20 www.
unisonic.
com.
tw Copyright © 2022 Unisonic Technologies Co.
, Ltd 1 of 5 QW-R502-646.
E U74HCT245  PIN CONFIGURATION CMOS IC  FUNCTION TABLE INPUT OE DIR FUNCTION H X Isolation L H Transmit data from A bus to B bus L L Transmit data from B bus to A bus Note: H: HIGH voltage level; L: LOW voltage level.
 LOGIC DIAGRAM UNISONIC TECHNOLOGIES CO.
, LTD www.
unisonic.
com.
tw 2 of 5 QW-R502-646.
E U74HCT245 CMOS IC  ABSOLUTE MAXIMUM RATING PARAMETER SYMBOL RATINGS UNIT Supply Voltage Input Clamp Current (ViN<0) Output Clamp Current (VOUT<0) Output Current VCC -0.
5 ~ 7.
0 V IIK ±20 mA IOK ±20 mA IOUT ±35 mA VCC or GND Current Storage Temperature ICC TSTG ±70 mA -65 ~ +150 °C Notes: 1.
Absolute maximum ratings are those values beyond which the device could be 6permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
2.
The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
 RECOMMENDED OPERATING CONDITIONS PARAMETER Su...


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