74LCX32374 datasheet(5/8 Pages) FAIRCHILD

Part #	74LCX32374

Description	Low Voltage 32-Bit D-Type Flip-Flop with 5V Tolerant Inputs and Outputs Preliminary

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

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Preliminary

5

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DC Electrical Characteristics (Continued)

Note 6: Outputs disabled or 3-STATE only.

AC Electrical Characteristics

Dynamic Switching Characteristics

Capacitance

Symbol

Parameter

Conditions

VCC

TA = −40°C to +85°C

Units

(V)

Min

Max

ICC

Quiescent Supply Current

VI = VCC or GND

2.3

− 3.6

20

µA

3.6V

≤ VI, VO ≤ 5.5V (Note 6)

2.3

− 3.6

±20

∆ICC

Increase in ICC per Input

VIH = VCC −0.6V

2.3

− 3.6

500

µA

Symbol

Parameter

TA = −40° to +85°C, RL = 500Ω

Units

VCC = 3.3V ± 0.3V

VCC = 2.7V

VCC = 2.5V ± 0.2V

CL = 50 pF

CL = 30 pF

Min

Max

Min

Max

Min

Max

fMAX

Maximum Clock Frequency

170

MHz

tPHL

Propagation Delay

1.5

6.2

1.5

6.5

1.5

7.4

ns

tPLH

CP to On

1.5

6.2

1.5

6.5

1.5

7.4

tPZL

Output Enable time

1.5

6.1

1.5

6.3

1.5

7.9

ns

tPZH

1.5

6.1

1.5

6.3

1.5

7.9

tPLZ

Output Disable Time

1.5

6.0

1.5

6.2

1.5

7.2

ns

tPHZ

1.5

6.0

1.5

6.2

1.5

7.2

tS

Setup Time

2.5

3.0

ns

tH

Hold Time

1.5

2.0

ns

tW

Pulse Width

3.0

3.5

ns

Symbol

Parameter

Conditions

VCC

TA = 25°C

Units

(V)

Typical

VOLP

Quiet Output Dynamic Peak VOL

CL = 50 pF, VIH = 3.3V, VIL = 0V

3.3

0.8

V

CL = 30 pF, VIH = 2.5V, VIL = 0V

2.5

0.6

VOLV

Quiet Output Dynamic Valley VOL

CL = 50 pF, VIH = 3.3V, VIL = 0V

3.3

−0.8

V

CL = 30 pF, VIH = 2.5V, VIL = 0V

2.5

0.6

Symbol

Parameter

Conditions

Typical

Units

CIN

Input Capacitance

VCC = Open, VI = 0V or VCC

7pF

COUT

Output Capacitance

VCC = 3.3V, VI = 0V or VCC

8pF

CPD

Power Dissipation Capacitance

VCC = 3.3V, VI = 0V or VCC, f = 10 MHz

20

pF

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