CY74FCT163501CPVC datasheet(5/9 Pages) TI

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CY74FCT163501

CY74FCT163H501

Power Supply Characteristics

Sym.

Parameter

Test Conditions[14]

Min.

Typ.[8]

Max.

Unit

ICCD

Dynamic Power Supply

Current[15]

VCC=Max., Outputs Open

OEAB=OEBA=VCC or GND

One Input Toggling,

50% Duty Cycle

VIN=VCC or

VIN=GND

—

120

µA/

MHz

Total Power Supply

Current[16]

VCC=Max., Outputs Open

f0 =10MHz (CLKAB)

50% Duty Cycle

OEAB=OEBA=VCC

LEAB = GND, One Bit Toggling

f1 = 5MHz, 50% Duty Cycle

VIN=VCC or

VIN=GND

—

0.8

1.7

VIN=3.4V or

VIN=GND

—

1.3

3.2

VCC=Max., Outputs Open

f0 = 10MHz (CLKAB)

50% Duty Cycle

OEAB=OEBA=VCC

LEAB=GND

Eighteen Bits Toggling

f1=2.5MHz, 50% Duty Cycle

VIN=VCC or

VIN=GND

—

3.8

6.5[17]

VIN=3.4V or

VIN=GND

—

8.5

20.8[17]

Notes:

14. For conditions shown as Max. or Min., use appropriate value speciﬁed under Electrical Characteristics for the applicable device type.

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

16. IC=IQUIESCENT + IINPUTS + IDYNAMIC

=ICC+∆ICCDHNT+ICCD(f0/2 + f1N1)

ICC

Quiescent Current with CMOS input levels

∆I

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.

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

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