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MC74VHC574ML1

Octal D−Type Flip−Flop with 3−State Output

ON Semiconductor 

NOISE CHARACTERISTICS (Input tr = tf = 3.0ns, CL = 50pF, VCC = 5.0V)

Symbol

VOLP

VOLV

VIHD

VILD

Parameter

Quiet Output Maximum Dynamic VOL

Quiet Output Minimum Dynamic VOL

Minimum High Level Dynamic Input Voltage

Maximum Low Level Dynamic Input Voltage

TIMING REQUIREMENTS (Input tr = tf = 3.0ns)

Symbol

tsu

Parameter

Minimum Setup Time, D to CP

th

Minimum Hold Time, CP to D

tw

Minimum Pulse Width, CP

Test Conditions

VCC = 3.3 ± 0.3 V

VCC = 5.0 ± 0.5 V

VCC = 3.3 ± 0.3 V

VCC = 5.0 ± 0.5 V

VCC = 3.3 ± 0.3 V

VCC = 5.0 ± 0.5 V

TA = 25°C

Typ

Max

Unit

0.9

1.2

V

− 0.9

− 1.2

V

—

3.5

V

—

1.5

V

TA = 25°C

Typ

Limit

—

3.5

—

3.5

—

1.5

—

1.5

—

5.0

—

5.0

TA = − 40

to 85°C

Limit

Unit

3.5

ns

3.5

1.5

ns

1.5

5.5

ns

5.0

CP

50%

tw

1/fmax

tPLH

tPHL

Q

50% VCC

VCC

GND

OE

50%

tPZL

tPLZ

Q

50% VCC

tPZH

tPHZ

Q

50% VCC

Figure 3. Switching Waveforms

VCC

GND

HIGH

IMPEDANCE

VOL +0.3V

VOH −0.3V

HIGH

IMPEDANCE

VALID

VCC

D

50%

GND

tsu

th

VCC

CP

50%

GND

Figure 4.

DEVICE

UNDER

TEST

TEST POINT

OUTPUT

CL*

*Includes all probe and jig capacitance

Figure 5.

http://onsemi.com

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