TC7WZ246FU datasheet(4/8 Pages) TOSHIBA

No de pièce	TC7WZ246FU

Description	CMOS Digital Integrated Circuit Silicon Monolithic Dual Bus Transceiver Buffer And Buffer (Open Drain Outputs)

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Fabricant	TOSHIBA [Toshiba Semiconductor]

Site Internet	http://www.semicon.toshiba.co.jp/eng

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4 / 8 page

TC7WZ246FU/FK

2007-11-01

4

AC Characteristics (input: tr = tf = 3 ns)

Ta

= 25°C

Ta

= −40~85°C

Characteristics

Symbol

Test Condition

VCC (V)

Min

Typ.

Max

Min

Max

Unit

1.8

± 0.15

2.0

⎯

17.0

2.0

18.5

2.5

± 0.2

1.0

⎯

7.5

1.0

8.0

3.3

± 0.3

0.8

⎯

5.2

1.2

6.0

CL = 15 pF, RL = 1 MΩ

5.0

± 0.5

0.5

⎯

4.5

0.8

5.5

3.3

± 0.3

1.5

⎯

6.7

1.5

7.0

Propagation delay time

( Buffer output)

tpLH

tpHL

CL = 50 pF, RL = 500 Ω

5.0

± 0.5

0.8

⎯

5.0

0.8

5.3

ns

Output to output skew

tosLH

tosHL

(Note 5)

3.3

± 0.3

⎯

1.0

⎯

1.0

ns

1.8

± 0.15

1.8

⎯

9.5

1.8

10.5

2.5

± 0.2

1.2

⎯

5.8

1.2

6.4

3.3

± 0.3

0.8

⎯

5.0

0.8

5.3

3-state output Disable time

( Open drain output)

tpLZ

pLZ

CL = 50 pF, RL = 500 Ω

5.0

± 0.5

0.5

⎯

4.2

0.5

4.5

ns

Input capacitance

CIN

⎯

0

⎯

7

⎯

pF

Bus input capacitance

CI / 0

⎯

5.5

⎯

8

⎯

pF

Output capacitance

COUT

⎯

5.5

⎯

9

⎯

pF

3.3

⎯

29

⎯

Power dissipation

capacitance

CPD

(Note 6)

5.5

⎯

33

⎯

pF

2.5

± 0.2

7.5

⎯

9.0

⎯

3.3

± 0.3

7.0

⎯

8.2

⎯

Minimum set-up time

Sts

(Note 7)

5.0

± 0.5

6.5

⎯

7.4

⎯

ns

Note 5 :Parameter guaranteed by desigh.

tosLH = |tpLHm - tpLHn|, tosHL = |tpHLm - tpHLn|

Note 6 : CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating

current consumption without load.

Average operating current can be obtained by the equation:

ICC (opr.) = CPD･VCC･fIN + ICC/2

Note 7 : Sts is the time which must be waited for an input signal when a bus signal direction is switched.

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