CY74FCT16501ATPVC datasheet(4/8 Pages) TI

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CY74FCT16501T

CY74FCT162501T

CY74FCT162H501T

Capacitance[9] (TA = +25˚C, f = 1.0 MHz)

Parameter

Description

Test Conditions

Typ.[8]

Max.

Unit

CIN

Input Capacitance

VIN = 0V

4.5

6.0

COUT

Output Capacitance

VOUT = 0V

5.5

8.0

Power Supply Characteristics

Sym.

Parameter

Test Conditions[13]

Min.

Typ.[8]

Max.

Unit

ICC

Quiescent Power Supply

Current

VCC=Max.

VIN<0.2V

VIN>VCC−0.2V

—

500

µA

∆I

Quiescent Power Supply

Current TTL inputs HIGH

VCC= Max., VIN = 3.4V

[14]

—

0.5

1.5

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:

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

14. Per TTL driven input (VIN=3.4V); all other inputs at VCC or GND.

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

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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