TC74LCX126FK datasheet(4/9 Pages) TOSHIBA

No de pièce	TC74LCX126FK

Description	Low-Voltage Quad Bus Buffer with 5-V Tolerant Inputs and Outputs

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Fabricant	TOSHIBA [Toshiba Semiconductor]

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

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TC74LCX126F/FT/FK

2007-10-19

4

AC Characteristics (Ta = −40 to 85°C)

Characteristics

Symbol

Test Condition

VCC (V)

Min

Max

Unit

2.7

⎯

6.5

Propagation delay time

tpLH

tpHL

Figure 1, Figure 2

3.3

± 0.3

1.5

6.0

ns

2.7

⎯

8.0

Output enable time

tpZL

tPZH

Figure 1, Figure 3

3.3

± 0.3

1.5

7.0

ns

2.7

⎯

7.0

Output disable time

tpLZ

tpHZ

Figure 1, Figure 3

3.3

± 0.3

1.5

6.0

ns

2.7

⎯

Output to output skew

tosLH

tosHL

(Note)

3.3

± 0.3

⎯

1.0

ns

Note:

Parameter guaranteed by design.

(tosLH = |tpLHm − tpLHn|, tosHL = |tpHLm − tpHLn|)

Dynamic Switching Characteristics (Ta = 25°C, input: tr = tf = 2.5 ns, CL = 50 pF, RL = 500 Ω)

Characteristics

Symbol

Test Condition

VCC (V)

Typ.

Unit

Quiet output maximum dynamic VOL

VOLP

VIH = 3.3 V, VIL = 0 V

3.3

0.8

V

Quiet output minimum dynamic VOL

|VOLV| VIH = 3.3 V, VIL = 0 V

3.3

0.8

V

Capacitive Characteristics (Ta = 25°C)

Characteristics

Symbol

Test Condition

VCC (V)

Typ.

Unit

Input capacitance

CIN

⎯

3.3

7

pF

Output capacitance

COUT

⎯

3.3

8

pF

Power dissipation capacitance

CPD

fIN = 10 MHz

(Note)

3.3

25

pF

Note:

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/4 (per gate)

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