TC74LCX374FT datasheet(5/10 Pages) TOSHIBA

No de pièce	TC74LCX374FT

Description	Low-Voltage Octal D-Type Flip-Flop 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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5 / 10 page

TC74LCX374F/FT/FK

2007-10-19

5

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.

Average operating current can be obtained by the equation:

ICC (opr) = CPD･VCC･fIN + ICC/8 (per bit)

AC Test Circuit

AC Waveform

Open

6.0 V

GND

Switch

Output

Measure

RL = 500 Ω

CL = 50 pF

Parameter

Switch

tpLH, tpHL

Open

tpLZ, tpZL

6.0 V

tpHZ, tpZH

GND

tw, ts, th, tmax

Open

Figure 1

Figure 2 tpLH, tpHL, tw, ts, th

90%

1.5 V

10%

tr 2.5 ns

1.5 V

tf 2.5 ns

2.7 V

GND

90%

1.5 V

10%

ts (H)

th (H)

th (L)

ts (L)

tw (H)

tw (L)

Input

(CK)

2.7 V

GND

Input

(D)

tf 2.5 ns

tr 2.5 ns

Output

(Q)

VOH

VOL

tpLH

tpHL

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TC74LCX374FT Fiches technique(PDF) 5 Page - Toshiba Semiconductor

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