SN74HCT245

Name: SN74HCT245
Brand: TI
SKU: SN74HCT245
Price: .11 USD

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Octal Bus Transceivers With 3-State Outputs

Data sheet

SNx4HCT245 Octal Bus Transceivers With 3-State Outputs datasheet (Rev. F)

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Online data sheet

Product details

Parameters

Technology Family

HCT

VCC (Min) (V)

4.5

VCC (Max) (V)

5.5

Bits (#)

8

Voltage (Nom) (V)

5

F @ nom voltage (Max) (MHz)

25

ICC @ nom voltage (Max) (mA)

0.08

Propagation delay (Max) (ns)

25

IOL (Max) (mA)

6

IOH (Max) (mA)

-6

Rating

Catalog

Operating temperature range (C)

-40 to 85

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Package | Pins | Size

PDIP (N)

20

229 mm² 24.33 x 9.4

SOIC (DW)

20

132 mm² 12.8 x 10.3

SOP (NS)

20

98 mm² 12.6 x 7.8

SSOP (DB)

20

38 mm² 5.3 x 7.2

TSSOP (PW)

20

42 mm² 6.5 x 6.4

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Features

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 I_CC
Typical t_pd = 14 ns
±6-mA Output Drive at 5 V
Low Input Current of 1 µA Maximum
Inputs Are TTL-Voltage Compatible

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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 effectively isolated.

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Technical documentation

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	Type	Title	Date
*	Datasheet	SNx4HCT245 Octal Bus Transceivers With 3-State Outputs datasheet (Rev. F)	Aug. 31, 2016
	Selection guides	Logic Guide (Rev. AB)	Jun. 12, 2017
	Application notes	Implications of Slow or Floating CMOS Inputs (Rev. D)	Jun. 23, 2016
	Application notes	Understanding and Interpreting Standard-Logic Data Sheets (Rev. C)	Dec. 02, 2015
	User guides	LOGIC Pocket Data Book (Rev. B)	Jan. 16, 2007
	Application notes	Semiconductor Packing Material Electrostatic Discharge (ESD) Protection	Jul. 08, 2004
	User guides	Signal Switch Data Book (Rev. A)	Nov. 14, 2003
	More literature	Logic Cross-Reference (Rev. A)	Oct. 07, 2003
	Application notes	TI IBIS File Creation, Validation, and Distribution Processes	Aug. 29, 2002
	Application notes	CMOS Power Consumption and CPD Calculation (Rev. B)	Jun. 01, 1997
	Application notes	Designing With Logic (Rev. C)	Jun. 01, 1997
	Application notes	SN54/74HCT CMOS Logic Family Applications and Restrictions	May 01, 1996
	Application notes	Using High Speed CMOS and Advanced CMOS in Systems With Multiple Vcc	Apr. 01, 1996