MC74HCT245 ONSEMI [ON Semiconductor], MC74HCT245 Datasheet - Page 2

MC74HCT245

Manufacturer Part Number

MC74HCT245

Description

Octal 3-State Noninverting Bus Transceiver with LSTTL Compatible Inputs

Manufacturer

ONSEMI [ON Semiconductor]

Datasheet

1.MC74HCT245.pdf (8 pages)

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Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î

Î Î Î Î

Î Î Î Î Î Î Î Î Î Î Î Î Î

*Maximum Ratings are those values beyond which damage to the device may occur.

†Derating — Plastic DIP: – 10 mW/ _ C from 65 _ to 125 _ C

For high frequency or heavy load considerations, see Chapter 2 of the ON Semiconductor High–Speed CMOS Data Book (DL129/D).

NOTE: Information on typical parametric values can be found in Chapter 2 of the ON Semiconductor High–Speed CMOS Data Book

MAXIMUM RATINGS*

RECOMMENDED OPERATING CONDITIONS

DC ELECTRICAL CHARACTERISTICS

Symbol

Functional operation should be restricted to the Recommended Operating Conditions.

V in , V out

Symbol

V CC

V OH

V out

V OL

T stg

I out

I CC

V IH

I CC

I OZ

V CC

V IL

V in

P D

T L

I CC

I in

t r , t f

I in

T A

(DL129/D).

Î Î Î Î Î Î Î Î Î Î Î Î Î Î

Î Î Î Î Î Î Î Î Î

Î Î Î Î Î Î Î Î Î Î Î Î Î Î

Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î

Î Î Î Î Î Î Î Î Î

DC Supply Voltage (Referenced to GND)

DC Input Voltage (Referenced to GND)

DC Output Voltage (Referenced to GND)

DC Input Current, per Pin

DC Output Current, per Pin

DC Supply Current, V CC and GND Pins

Power Dissipation in Still Air,

Storage Temperature

Lead Temperature, 1 mm from Case for 10 Seconds

Minimum High–Level Input

Voltage

Maximum Low–Level Input

Voltage

Minimum High–Level Output

Voltage

Maximum Low–Level Output

Voltage

Maximum Input Leakage Current

Maximum Quiescent Supply

Current (per Package)

Maximum Three–State

Leakage Current

Additional Quiescent Supply

Current

DC Supply Voltage (Referenced to GND)

DC Input Voltage, Output Voltage (Referenced to GND)

Operating Temperature, All Package Types

Input Rise and Fall Time (Figure 1)

SOIC Package: – 7 mW/ _ C from 65 _ to 125 _ C

TSSOP Package: – 6.1 mW/ _ C from 65 _ to 125 _ C

(Plastic DIP, SOIC, SSOP or TSSOP Package)

Parameter

Î Î Î Î Î Î Î Î Î

TSSOP Package†

(Voltages Referenced to GND)

V out = 0.1 V or V CC – 0.1 V

|I out |

V out = 0.1 V or V CC – 0.1 V

|I out |

V in = V IH or V IL

|I out |

V in = V IH or V IL

|I out |

V in = V IH or V IL

|I out |

V in = V IH or V IL

|I out |

V in = V CC or GND, Pins 1 or 19

V in = V CC or GND

I out = 0 A

Output in High–Impedance State

V in = V IL or V IH

V out = V CC or GND, I/O Pins

V in = 2.4 V, Any One Input

V in = V CC or GND Other Inputs

V in = V CC or GND, Other In uts

l out = 0 A

SOIC Package†

Plastic DIP†

Test Conditions

20 A

6.0 mA

20 A

6.0 mA

http://onsemi.com

MC74HCT245A

Î Î Î Î Î

– 0.5 to V CC + 0.5

– 0.5 to + 7.0

– 65 to + 150

Î Î Î

– 55

Min

4.5

Value

750

500

450

260

Î Î

Î Î Î Î

+ 125

V CC

Max

500

5.5

Î Î Î

V CC

4.5

5.5

4.5

5.5

4.5

5.5

4.5

5.5

4.5

5.5

Unit

_ C

Î Î Î Î

Î Î Î Î Î Î Î Î Î

Î Î Î Î

Î Î Î Î Î

– 55 to

25 _ C

3.98

0.26

2.0

0.8

4.4

5.4

0.1

4.0

0.1

0.5

–55 _ C

2.9

circuitry to guard against damage

due to high static voltages or electric

fields. However, precautions must

be taken to avoid applications of any

voltage higher than maximum rated

voltages to this high–impedance cir-

cuit. For proper operation, V in and

V out should be constrained to the

range GND

tied to an appropriate logic voltage

level (e.g., either GND or V CC ).

Unused outputs must be left open.

Guaranteed Limit

This device contains protection

Unused inputs must always be

Î Î Î

3.84

0.33

Î Î Î Î Î

2.0

0.8

4.4

5.4

0.1

85 _ C

1.0

5.0

25 _ C to 125 _ C

Î Î Î Î

(V in or V out )

2.4

125 _ C

160

2.0

0.8

4.4

5.4

3.7

0.1

0.4

1.0

Î Î Î

V CC .

Unit

MC74HCT245 ONSEMI [ON Semiconductor], MC74HCT245 Datasheet - Page 2

MC74HCT245

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