IDT74FCT2373ATQG 데이터 시트보기 (PDF) - Integrated Device Technology

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IDT74FCT2373ATQG

FAST CMOS OCTAL TRANSPARENT LATCH

Integrated Device Technology 

IDT74FCT2373AT/CT

FAST CMOS OCTAL TRANSPARENT LATCH

POWER SUPPLY CHARACTERISTICS

Symbol

ΔICC

ICCD

Parameter

Quiescent Power Supply Current

TTL Inputs HIGH

Dynamic Power Supply

Current(4)

IC

Total Power Supply Current(6)

Test Conditions(1)

VCC = Max.

VIN = 3.4V(3)

VCC = Max.

Outputs Open

OE = GND

VIN = VCC

VIN = GND

One Input Toggling

50% Duty Cycle

VCC = Max.

Outputs Open

fi = 10MHz

VIN = VCC

VIN = GND

50% Duty Cycle

OE = GND

LE = Vcc

VIN = 3.4V

VIN = GND

One BitToggling

VCC = Max.

Outputs Open

fi = 2.5MHz

VIN = VCC

VIN = GND

50% Duty Cycle

OE = GND

LE = Vcc

VIN = 3.4V

VIN = GND

Eight Bits Toggling

INDUSTRIAL TEMPERATURE RANGE

Min. Typ.(2) Max.

Unit

—

0.5

2

mA

—

0.06

0.12

mA/

MHz

—

0.6

2.2

mA

—

0.9

3.2

—

1.2

3.4(5)

—

3.2

11.4(5)

NOTES:

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

2. Typical values are at VCC = 5.0V, +25°C ambient.

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

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

5. Values for these conditions are examples of ΔICC formula. These limits are guaranteed but not tested.

6. IC = IQUIESCENT + IINPUTS + IDYNAMIC

IC = ICC + ΔICC DHNT + ICCD (fCP/2+ fiNi)

ICC = Quiescent Current

ΔICC = Power Supply Current for a TTL High Input (VIN = 3.4V)

DH = Duty Cycle for TTL Inputs High

NT = Number of TTL Inputs at DH

ICCD = Dynamic Current caused by an Input Transition Pair (HLH or LHL)

fCP = Clock Frequency for Register Devices (Zero for Non-Register Devices)

fi = Output Frequency

Ni = Number of Outputs at fi

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

4

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