74ACT245SJ datasheet(4/10 Pages) FAIRCHILD

No. de pieza	74ACT245SJ

Descripción Electrónicos	Octal Bidirectional Transceiver with 3-STATE Inputs/Outputs

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DC Characteristics for ACT

Note 5: All outputs loaded; thresholds on input associated with output under test.

Note 6: Maximum test duration 2.0 ms, one output loaded at a time.

AC Electrical Characteristics for AC

Note 7: Voltage Range 3.3 is 3.3V

± 0.3V

Voltage Range 5.0 is 5.0V

± 0.5V

Symbol

Parameter

VCC

TA = +25°CTA = −40°C to +85°C

Units

Conditions

(V)

Typ

Guaranteed Limits

VIH

Minimum HIGH Level

4.5

1.5

2.0

V

VOUT = 0.1V

Input Voltage

5.5

1.5

2.0

or VCC − 0.1V

VIL

Maximum LOW Level

4.5

1.5

0.8

V

VOUT = 0.1V

Input Voltage

5.5

1.5

0.8

or VCC − 0.1V

VOH

Minimum HIGH Level

4.5

4.49

4.4

VIOUT = −50 µA

Output Voltage

5.5

5.49

5.4

VIN = VIL or VIH

4.5

3.86

3.76

IOH = −24 mA

5.5

4.86

4.76

V

IOH = −24 mA (Note 5)

VOL

Maximum LOW Level

4.5

0.001

0.1

VIOUT = 50 µA

Output Voltage

5.5

0.001

0.1

VIN = VIL or VIH

4.5

0.36

0.44

V

IOL = 24 mA

5.5

0.36

0.44

IOL = 24 mA (Note 5)

IIN

Maximum Input

5.5

±0.1

±1.0

µAV

I = VCC, GND

Leakage Current

ICCT

Maximum

5.5

0.6

1.5

mA

VI = VCC − 2.1V

ICC/Input

IOLD

Dynamic Output

5.5

75

mA

VOLD = 1.65V Max

IOHD

Current Minimum (Note 6)

5.5

−75

mA

VOHD = 3.85V Min

ICC

Maximum Quiescent

5.5

4.0

40.0

µA

VIN = VCC

Supply Current

or GND

IOZT

Maximum I/O

VI (OE) = VIL, VIH

Leakage Current

5.5

±0.3

±3.0

µAV

I = VCC, GND

VO = VCC, GND

VCC

TA = +25°CTA = −40°C to +85°C

Symbol

Parameter

(V)

CL = 50 pF

Units

(Note 7)

Min

Typ

Max

Min

Max

tPLH

Propagation Delay

3.3

1.5

5.0

8.5

1.0

9.0

ns

An to Bn or Bn to An

5.0

1.5

3.5

6.5

1.0

7.0

tPHL

Propagation Delay

3.3

1.5

5.0

8.5

1.0

9.0

ns

An to Bn or Bn to An

5.0

1.5

3.5

6.0

1.0

7.0

tPZH

Output Enable Time

3.3

2.5

7.0

11.5

2.0

12.5

ns

5.0

1.5

5.0

8.5

1.0

9.0

tPZL

Output Enable Time

3.3

2.5

7.5

12.0

2.0

13.5

ns

5.0

1.5

5.5

9.0

1.0

9.5

tPHZ

Output Disable Time

3.3

2.0

6.5

12.0

1.0

12.5

ns

5.0

1.5

5.5

9.0

1.0

10.0

tPLZ

Output Disable Time

3.3

2.0

7.0

11.5

1.5

13.0

ns

5.0

1.5

5.5

9.0

1.0

10.0

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