CY74FCT163374CPVCSLASHPVCT datasheet(4/10 Pages) TI1

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CY74FCT163374

CY74FCT163H374

Power Supply Characteristics

Parameter

Description

Test Conditions

Typ.[5]

Max.

Unit

ICCD

Dynamic Power Supply

Current[11]

VCC=Max., One Input Toggling,

50% Duty Cycle,

Outputs Open, OE=GND

VIN=VCC or

VIN=GND

µA/MHz

Total Power Supply

Current[12]

VCC=Max., f1=10 MHz, 50%

Duty Cycle, Outputs Open, One

Bit Toggling, OE=GND

VIN=VCC or

VIN=GND

0.5

0.8

VIN=VCC–0.6V or

VIN=GND

0.5

0.8

VCC=Max., f1=2.5 MHz, 50%

Duty Cycle, Outputs Open, Six-

teen Bits Toggling, OE=GND

VIN=VCC or

VIN=GND

2.0

3.0[13]

VIN=VCC–0.6V or

VIN=GND

2.0

3.3[13]

Switching Characteristics Over the Operating Range VCC=3.0V to 3.6V

[14,15]

Parameter

Description

CY74FCT163374A

CY74FCT163H374A

CY74FCT163374C

CY74FCT163H374C

Min.

Max.

Min.

Max.

Unit

Fig. No.[16]

tPLH

tPHL

Propagation Delay Clock to

Output

1.5

6.5

1.5

5.2

1, 3

tPZH

tPZL

Output Enable Time

1.5

6.5

1.5

5.5

1, 7, 8

tPHZ

tPLZ

Output Disable Time

1.5

5.5

1.5

5.0

1, 7, 8

tSU

Input Setup time

2.0

1, 4

Input Hold time

1.5

1. 4

tSK(O)

Output Skew[17]

0.5

—

Notes:

11. This parameter is not directly testable, but is derived for use in Total Power Supply calculations.

12. IC

=IQUIESCENT + IINPUTS + IDYNAMIC

=ICC+∆ICCDHNT+ICCD(f0/2 + f1N1)

ICC = Quiescent Current with CMOS input levels

∆I

CC =

Power Supply Current for a TTL HIGH input (VIN=3.4V)

= Duty Cycle for TTL inputs HIGH

= Number of TTL inputs at DH

ICCD = Dynamic Current caused by an input transition pair (HLH or LHL)

= Clock frequency for registered devices, otherwise zero

= Input signal frequency

= Number of inputs changing at f1

All currents are in milliamps and all frequencies are in megahertz.

13. Values for these conditions are examples of the ICC formula. These limits are speciﬁed but not tested.

14. Minimum limits are speciﬁed but not tested on Propagation Delays.

15. For VCC =2.7, propagation delay, output enable and output disable times should be degraded by 20%.

16. See “Parameter Measurement Information” in the General Information section.

17. Skew between any two outputs of the same package switching in the same direction. This parameter is ensured by design.

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