54ABT244_13 datasheet(3/10 Pages) TI1

部品番号	54ABT244

部品情報	Octal Buffer/Line Driver with TRI-STATE Outputs

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OBSOLETE

54ABT244

www.ti.com

SNOS041B – JULY 1998 – REVISED APRIL 2013

DC ELECTRICAL CHARACTERISTICS (continued)

Symbol

Parameter

ABT244

Units

VCC

Conditions

Min

Typ

Max

IIL

Input LOW Current

−5

μA

Max

VIN = 0.5V

(1)

−5

VIN = 0.0V

VID

Input Leakage Test

4.75

V

0.0

IID = 1.9 μA

All Other Pins Grounded

IOZH

Output Leakage Current

50

μA

0

−

VOUT = 2.7V; OEn = 2.0V

5.5V

IOZL

Output Leakage Current

−50

μA

0

−

VOUT = 0.5V; OEn = 2.0V

5.5V

IOS

Output Short-Circuit Current

−100

−275

mA

Max

VOUT = 0.0V

ICEX

Output High Leakage Current

50

μA

Max

VOUT = VCC

IZZ

Bus Drainage Test

100

μA

0.0

VOUT = 5.5V; All Others GND

ICCH

Power Supply Current

50

μA

Max

All Outputs HIGH

ICCL

Power Supply Current

30

mA

Max

All Outputs LOW

ICCZ

Power Supply Current

50

μA

Max

OEn = VCC;

All Others at VCC or Ground

ICCT

Additional ICC/Input

Outputs Enabled

2.5

mA

Max

VI = VCC − 2.1V

Outputs TRI-STATE

2.5

mA

Enable Input VI = VCC − 2.1V

Outputs TRI-STATE

50

μA

Data Input VI = VCC − 2.1V

All Others at VCC or Ground

ICCD

Dynamic ICC

(2)

No Load

mA/

Max

Outputs Open

0.1

MHz

OEn = GND,

(3)

One Bit Toggling, 50% Duty Cycle

(2)

Ensured, but not tested.

(3)

For 8 bits toggling, ICCD < 0.8 mA/MHz.

AC ELECTRICAL CHARACTERISTICS

Symbol

Parameter

54ABT

Units

Fig.

No.

TA = −55°C to +125°C

VCC = 4.5V–5.5V

CL = 50 pF

Min

Max

tPLH

Propagation Delay

1.0

5.3

ns

See Figure 24

tPHL

Data to Outputs

1.0

5.0

tPZH

Output Enable

0.8

6.5

ns

See Figure 23

tPZL

Time

1.2

7.9

tPHZ

Output Disable

1.2

7.6

ns

See Figure 23

tPLZ

Time

1.0

7.9

CAPACITANCE

Conditions

Symbol

Parameter

Typ

Units

TA = 25°C

CIN

Input Capacitance

5.0

pF

VCC = 0V

COUT

(1)

Output Capacitance

9.0

pF

VCC = 5.0V

(1)

COUT is measured at frequency f = 1 MHz, per MIL-STD-883B, Method 3012.

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