74VHCT244AMX datasheet(3/9 Pages) FAIRCHILD

Part #	74VHCT244AMX

Description	Octal Buffer/Line Driver with 3-STATE Outputs

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

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74VHCT244A Rev. 1.3

3

Absolute Maximum Ratings

Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be

operable above the recommended operating conditions and stressing the parts to these levels is not recommended.

In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability.

The absolute maximum ratings are stress ratings only.

Recommended Operating Conditions(5)

The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended

operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not

recommend exceeding them or designing to absolute maximum ratings.

Notes:

2. HIGH or LOW state. IOUT absolute maximum rating must be observed.

3. When outputs are in OFF-STATE or when VCC = 0V.

4. VOUT < GND, VOUT > VCC (Outputs Active).

5. Unused inputs must be held HIGH or LOW. They may not float.

Symbol

Parameter

Rating

VCC

Supply Voltage

–0.5V to +7.0V

VIN

DC Input Voltage

–0.5V to +7.0V

VOUT

DC Output Voltage

Note 2

Note 3

–0.5V to VCC + 0.5V

–0.5V to +7.0V

IIK

Input Diode Current

–20mA

IOK

Output Diode Current(4)

±20mA

IOUT

DC Output Current

±25mA

ICC

DC VCC / GND Current

±75mA

TSTG

Storage Temperature

–65°C to +150°C

TL

Lead Temperature (Soldering, 10 seconds)

260°C

Symbol

Parameter

Rating

VCC

Supply Voltage

4.5V to +5.5V

VIN

Input Voltage

0V to +5.5V

VOUT

Output Voltage

Note 2

Note 3

0V to VCC

0V to +5.5V

TOPR

Operating Temperature

–40°C to +85°C

tr, tf

Input Rise and Fall Time, VCC = 5.0V ± 0.5V

0ns/V ~ 20ns/V

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