74FCT162H952CTPVCSLASHPVCT datasheet(4/22 Pages) TI1

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CY74FCT16952T

CY74FCT162952T

CY74FCT162H952T

Power Supply Characteristics

Parameter

Description

Test Conditions[12]

Typ.[7]

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

[13]

0.5

1.5

ICCD

Dynamic Power Supply

Current[14]

VCC=Max., One Input Toggling,

50% Duty Cycle, Outputs Open,

OEAB or OEBA=GND

VIN=VCC or

VIN=GND

120

µA/MHz

Total Power Supply Current[15]

VCC=Max., F1=5 MHz,

F0 = 10 MHz (CLKAB)

OEAB = CEAB = GND

OEBA = VCC 50% Duty Cycle,

Outputs Open, One Bit Toggling

VIN=VCC or

VIN=GND

0.8

1.7

VIN=3.4V or

VIN=GND

1.3

3.2

VCC=Max., f0=10 MHz (CLKAB)

f1=2.5 MHz,

OEAB = CEAB = GND

OEBA = VCC 50% Duty Cycle,

Outputs Open,

Sixteen Bit Toggling

VIN=VCC or

VIN=GND

3.8

6.5[16]

VIN=3.4V or

VIN=GND

8.3

20.0[16]

Notes:

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

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

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

15. 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.

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

74FCT162H952CTPVC/PVCT 数据表(PDF) 4 Page - Texas Instruments

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