74ABT244CSC datasheet(4/13 Pages) FAIRCHILD

部件名	74ABT244CSC

功能描述	Octal Buffer/Line Driver with 3-STATE Outputs

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制造商	FAIRCHILD [Fairchild Semiconductor]

网页	http://www.fairchildsemi.com

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74ABT244 Rev. 1.4

4

DC Electrical Characteristics

Notes:

3. For 8-bit toggling, ICCD < 0.8mA/MHz.

4. Guaranteed, but not tested.

Symbol

Parameter

VCC

Conditions

Min.

Typ.

Max.

Units

VIH

Input HIGH Voltage

Recognized HIGH Signal

2.0

V

VIL

Input LOW Voltage

Recognized LOW Signal

0.8

V

VCD

Input Clamp Diode Voltage

Min.

IIN = –18mA

–1.2

V

VOH

Output HIGH Voltage

Min.

IOH = –3mA

2.5

V

IOH = –32mA

2.0

VOL

Output LOW Voltage

IOL = 64mA

0.55

V

IIH

Input HIGH Current

Max.

VIN = 2.7V

(4)

1µA

VIN = VCC

1

IBVI

Input HIGH Current

Breakdown Test

Max.

VIN = 7.0V

7

µA

IIL

Input LOW Current

Max.

VIN = 0.5V

(4)

–1

µA

VIN = 0.0V

–1

VID

Input Leakage Test

0.0

IID = 1.9µA, All Other Pins

Grounded

4.75

V

IOZH

Output Leakage Current

0–5.5V VOUT = 2.7V, OEn = 2.0V

10

µA

IOZL

Output Leakage Current

0–5.5V VOUT = 0.5V, OEn = 2.0V

–10

µA

IOS

Output Short-Circuit Current

Max.

VOUT = 0.0V

–100

–275

mA

ICEX

Output High Leakage Current

Max.

VOUT = VCC

50

µA

IZZ

Bus Drainage Test

0.0

VOUT = 5.5V, All Others GND

100

µA

ICCH

Power Supply Current

Max.

All Outputs HIGH

50

µA

ICCL

Power Supply Current

Max.

All Outputs LOW

30

mA

ICCZ

Power Supply Current

Max.

OEn = VCC, All Others at VCC

or Ground

50

µA

ICCT

Additional

ICC/Input

Outputs Enabled

Max.

VI = VCC – 2.1V

2.5

mA

Outputs 3-STATE

Enable Input VI = VCC – 2.1V

2.5

mA

Outputs 3-STATE

Data Input VI = VCC – 2.1V,

All Others at VCC or Ground

50

µA

ICCD

Dynamic ICC No Load

(4)

Max.

Outputs OPEN, OEn = GND

(3),

One-Bit Toggling,

50% Duty Cycle

0.1

mA/

MHz

类似零件编号 - 74ABT244CSC

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Fairchild Semiconductor	74ABT244CSC	125Kb / 11P	Octal Buffer/Line Driver with 3-STATE Outputs
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