IDT74FCT20807QI datasheet(2/6 Pages) IDT

Part #	IDT74FCT20807QI

Description	2.5V CMOS 1-TO-10 CLOCK DRIVER

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Manufacturer	IDT [Integrated Device Technology]

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INDUSTRIALTEMPERATURERANGE

IDT74FCT20807

2.5V CMOS 1-TO-10 CLOCK DRIVER

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 = 2.5V, +25°C ambient.

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

4

. IC = IQUIESCENT + IINPUTS + IDYNAMIC

IC = ICC +

∆ICC DHNT + ICCD (fi)

ICC = Quiescent Current (ICCL, ICCH and ICCZ)

∆ICC = Power Supply Current for a TTL High Input (VIN = VCC -0.6V)

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)

fi = Input Frequency

ABSOLUTE MAXIMUM RATINGS(1)

Symbol

Description

Max

Unit

VTERM(2)

TerminalVoltagewithRespecttoGND

–0.5 to +4.6

V

VTERM(3)

TerminalVoltagewithRespecttoGND

–0.5 to +5.5

V

VTERM(4)

TerminalVoltagewithRespecttoGND

–0.5toVCC+0.5

V

TSTG

StorageTemperature

–65to+150

°C

IOUT

DCOutputCurrent

–60to+60

mA

NOTES:

1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause

permanent damage to the device. This is a stress rating only and functional operation

of the device at these or any other conditions above those indicated in the operational

sections of this specification is not implied. Exposure to absolute maximum rating

conditions for extended periods may affect reliability.

2. VCC terminals.

3. Input terminals.

4. Outputs and I/O terminals.

CAPACITANCE (TA = +25OC, f = 1.0MHz)

Symbol

Parameter(1)

Conditions

Typ.

Max.

Unit

CIN

InputCapacitance

VIN = 0V

3

4

pF

NOTE:

1. This parameter is measured at characterization but not tested.

PIN DESCRIPTION

Pin Names

Description

IN

Clock Inputs

Ox

ClockOutputs

POWER SUPPLY CHARACTERISTICS

Symbol

Parameter

TestConditions(1)

Min.

Typ.(2)

Max.

Unit

ICCL

Quiescent Power Supply Current

VCC = Max.

—

0.1

20

µA

ICCH

TTL Inputs HIGH

VIN = GND or VCC

∆ICC

Power Supply Current per

VCC = Max.

—

45

300

µA

Input HIGH

VIN = VCC –0.6V

ICCD

Dynamic Power Supply Current

VCC = 2.7V

150 MHz

—

40

—

µA

perOutput(3)

15 pF

/MHz

VCC = Max.

VIN = VCC

—65

90

IC

TotalPowerSupplyCurrent(4)

CL = 12pF

VIN = GND

mA

Alloutputstoggling

VIN = VCC –0.6V

—

75

100

fi = 150MHz

VIN = GND

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