54AC251 datasheet(6/9 Pages) TI1

Part #	54AC251

Description	8-Input Multiplexer with TRI-STATE Output

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Manufacturer	TI1 [Texas Instruments]

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OBSOLETE

54AC251, 54ACT251

SNOS100B – AUGUST 1998 – REVISED APRIL 2013

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DC CHARACTERISTICS FOR 'ACT FAMILY DEVICES (continued)

VCC

54ACT

(V)

Symbol

Parameter

TA = −55°C to +125°C

Units

Conditions

Ensured Limits

IIN

Maximum Input Leakage

5.5

±1.0

μA

VI = VCC, GND

Current

IOZ

Maximum TRI-STATE Current

VI = VIL, VIH

5.5

±5.0

μA

VO = VCC, GND

ICCT

Maximum ICC/Input

5.5

1.6

mA

VI = VCC − 2.1V

IOLD

Minimum Dynamic Output

5.5

50

mA

VOLD = 1.65V Max

Current (2)

IOHD

5.5

−50

mA

VOHD = 3.85V Min

ICC

Maximum Quiescent Supply

VIN = VCC

5.5

80.0

μA

Current

or GND

(2)

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

AC ELECTRICAL CHARACTERISTICS

54AC

TA = −55°C

VCC

Symbol

Parameter

to +125°C

Units

(V) (1)

CL = 50 pF

Min

Max

tPLH

Propagation Delay Sn to Z or Z

3.3

1.0

21.0

ns

5.0

1.0

15.5

tPHL

Propagation Delay Sn to Z or Z

3.3

1.0

21.0

ns

5.0

1.0

15.5

tPLH

Propagation Delay In to Z or Z

3.3

1.0

17.0

ns

5.0

1.0

12.0

tPHL

Propagation Delay In to Z or Z

3.3

1.0

16.5

ns

5.0

1.0

12.0

tPZH

Output Enable Time OE to Z or Z

3.3

1.0

13.0

ns

5.0

1.0

10.0

tPZL

Output Enable Time OE to Z or Z

3.3

1.0

13.0

ns

5.0

1.0

10.0

tPHZ

Output Disable Time OE to Z or Z

3.3

3.5

14.0

ns

5.0

2.5

11.0

tPLZ

Output Disable Time OE to Z or Z

3.3

4.0

13.0

ns

5.0

3.0

10.0

(1)

Voltage Range 3.3 is 3.3V ±0.3V Voltage Range 5.0 is 5.0V ±0.5V.

AC ELECTRICAL CHARACTERISTICS

54ACT

TA = −55°C

VCC

Symbol

Parameter

to +125°C

Units

(V) (1)

CL = 50 pF

Min

Max

tPLH

Propagation Delay Sn to Z or Z

5.0

1.0

18.0

ns

tPHL

Propagation Delay Sn to Z or Z

5.0

1.0

18.0

ns

tPLH

Propagation Delay In to Z or Z

5.0

1.0

13.5

ns

tPHL

Propagation Delay In to Z or Z

5.0

1.0

13.5

ns

tPZH

Output Enable Time OE to Z or Z

5.0

1.0

10.0

ns

tPZL

Output Enable Time OE to Z or Z

5.0

1.0

9.5

ns

(1)

Voltage Range 5.0 is 5.0V ±0.5V.

6

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