74VHCT240ATTR datasheet(3/12 Pages) STMICROELECTRONICS

номер детали	74VHCT240ATTR

подробное описание детали	OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (INVERTED)

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Table 5: Recommended Operating Conditions

1) Output in OFF State

2) High or Low State

3) VIN from 0.8V to 2V

Table 6: DC Specifications

Table 7: AC Electrical Characteristics (Input tr = tf = 3ns)

(*) Voltage range is 5.0V

± 0.5V

Symbol

Parameter

Value

Unit

VCC

Supply Voltage

4.5 to 5.5

V

VI

Input Voltage

0 to 5.5

V

VO

Output Voltage (see note 1)

0 to 5.5

V

VO

Output Voltage (see note 2)

0 to VCC

V

Top

Operating Temperature

-55 to 125

°C

dt/dv

Input Rise and Fall Time (see note 3) (VCC = 5.0 ± 0.5V)

0 to 20

ns/V

Symbol

Parameter

Test Condition

Value

Unit

VCC

(V)

TA = 25°C

-40 to 85°C

-55 to 125°C

Min.

Typ.

Max.

Min.

Max.

Min.

Max.

VIH

High Level Input

Voltage

4.5 to

5.5

22

2

V

VIL

Low Level Input

Voltage

4.5 to

5.5

0.8

V

VOH

High Level Output

Voltage

4.5

IO=-50 µA

4.4

4.5

4.4

V

4.5

IO=-8 mA

3.94

3.8

3.7

VOL

Low Level Output

Voltage

4.5

IO=50 µA

0.0

0.1

V

4.5

IO=8 mA

0.36

0.44

0.55

IOZ

High Impedance

Output Leakage

Current

4.5 to

5.5

VI = VIH or VIL

VO = 0V to 5.5V

±0.25

± 2.5

µA

II

Input Leakage

Current

0 to

5.5

VI = 5.5V or GND

± 0.1

± 1.0

µA

ICC

Quiescent Supply

Current

5.5

VI = VCC or GND

440

40

µA

+ICC

Additional Worst

Case Supply

Current

5.5

One Input at 3.4V,

other input at VCC

or GND

1.35

1.5

mA

IOPD

Output Leakage

Current

0

VOUT = 5.5V

0.5

5.0

µA

Symbol

Parameter

Test Condition

Value

Unit

VCC (*)

(V)

CL

(pF)

TA = 25°C

-40 to 85°C

-55 to 125°C

Min.

Typ.

Max.

Min.

Max.

Min.

Max.

tPLH

tPHL

Propagation Delay

Time

5.0

15

5.4

7.4

1.0

8.5

1.0

8.5

ns

5.0

50

5.9

8.4

1.0

9.5

1.0

9.5

tPLZ

tPHZ

Output Disable

Time

5.0

15

RL = 1K

Ω

8.3

10.4

1.0

12.0

1.0

12.0

ns

5.0

50

8.8

11.4

1.0

13.0

1.0

13.0

tPZL

tPZH

Output Enable

Time

5.0

50

RL = 1K

Ω

8.2

11.4

1.0

13.0

1.0

13.0

ns

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