Texas Instruments SN74HCT245PWR Manual

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Copyright © 2016, Texas Instruments Incorporated
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An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
SN54HCT245
,
SN74HCT245
SCLS020F – MARCH 1984 – REVISED AUGUST 2016
SNx4HCT245 Octal Bus Transceivers With 3-State Outputs
1
1 Features
1
• Operating Voltage Range of 4.5 V to 5.5 V
• High-Current 3-State Outputs Drive Bus Lines
Directly or up To 15-LSTTL Loads
• Low Power Consumption, 80-µA Maximum ICC
• Typical tpd = 14 ns
• ±6-mA Output Drive at 5 V
• Low Input Current of 1 µA Maximum
• Inputs Are TTL-Voltage Compatible
2 Applications
• Factory Automation and Control
• Grid Infrastructure
• Electronic Point of Sale
• Multi-Function Printers
• Motor Drives
• Storage
• Telecom Infrastructure
3 Description
The SNx4HCT245 octal bus transceivers are
designed for asynchronous two-way communication
between data buses. The control-function
implementation minimizes external timing
requirements.
The SNx4HCT245 devices allow data transmission
from the A bus to the B bus or from the B bus to the
A bus, depending upon the logic level at the direction-
control (DIR) input. The output-enable (OE) input can
be used to disable the device so that the buses are
eectively isolated.
Device Information(1)
PART NUMBER PACKAGE BODY SIZE (NOM)
SN54HCT245J CDIP (20) 24.20 mm × 6.92 mm
SN54HCT245FK LCCC (20) 8.89 mm × 8.89 mm
SN54HCT245W CFP (20) 13.09 mm × 6.92 mm
SN74HCT245DW SOIC (20) 12.80 mm × 7.50 mm
SN74HCT245N PDIP (20) 24.33 mm × 6.35 mm
SN74HCT245NS SOP (20) 12.60 mm × 5.30 mm
SN74HCT245PW TSSOP (20) 6.50 mm × 4.40 mm
SN74HCT245DB SSOP (20) 7.80 mm × 7.20 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Logic Diagram (Positive Logic)

Produkt Specifikationer

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Model: SN74HCT245PWR

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