IDT74FCT3574APYB datasheet(4/7 Pages) IDT

Part #	IDT74FCT3574APYB

Description	3.3V CMOS OCTAL D REGISTERS (3-STATE)

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Manufacturer	IDT [Integrated Device Technology]

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IDT54/74FCT3574/3574A

3.3V CMOS OCTAL D REGISTERS (3-STATE)

MILITARY AND COMMERCIAL TEMPERATURE RANGES

8.14

4

POWER SUPPLY CHARACTERISTICS

NOTES:

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

2. Typical values are at VCC = 3.3V, +25

°C ambient.

3. Per TTL driven input; 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 the ICC formula. These limits are guaranteed but not tested.

6. IC = IQUIESCENT + IINPUTS + IDYNAMIC

IC = ICC +

∆ICC DHNT + ICCD (fCPNCP/2 + fiNi)

ICC = Quiescent Current (ICCL, ICCH and ICCZ)

∆ICC = Power Supply Current for a TTL High Input

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)

NCP = Number of Clock Inputs at fCP

fi = Input Frequency

Ni = Number of Inputs at fi

3095 tbl 06

Symbol

Parameter

Test Conditions(1)

Min.

Typ.(2)

Max.

Unit

∆ICC

Quiescent Power Supply Current

VCC = Max.

VIN = VCC –0.6V(3)

mA

ICCD

Dynamic Power Supply

Current(4)

VCC = Max.

Outputs Open

OE = GND

50% Duty Cycle

One Input Toggling

VIN = VCC

VIN = GND

µA/

MHz

IC

Total Power Supply Current(6)

VCC = Max.

Outputs Open

fCP = 10MHz

50% Duty Cycle

VIN = VCC

VIN = GND

mA

OE = GND

fi = 5MHz

50% Duty Cycle

One Bit Toggling

VIN = VCC –0.6V

VIN = GND

VCC = Max.

Outputs Open

fCP = 10MHz

50% Duty Cycle

VIN = VCC

VIN = GND

OE = GND

fi = 2.5MHz

50% Duty Cycle

Eight Bits Toggling

VIN = VCC –0.6V

VIN = GND

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