IDT74FCT3907SO Ver la hoja de datos (PDF) - Integrated Device Technology

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IDT74FCT3907SO

3.3V PENTIUM™ CLOCK SYNTHESIZER

Integrated Device Technology 

IDT74FCT3907

3.3V PC CLOCK SYNTHESIZER

COMMERCIAL TEMPERATURE RANGES

OSCILLATOR CHARACTERISTICS OVER OPERATING RANGE

Symbol

CX1

Parameter

X1 Input Capacitance

Test Conditions(1)

Min.

Typ.(2)

20

Max. Unit

pF

CX2

X2 Output Capacitance

20

pF

II H

X1 Input HIGH Current

VCC = Max., VIN = VCC

5

µA

II L

X1 Input LOW Current

VCC = Max., VIN = GND

–5

µA

IODH

X2 Output HIGH Current

VOUT = VCC

–1

mA

IODL

X2 Output LOW Current

VOUT = GND

1

mA

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. This parameter is guaranteed but not tested.

3245 tbl 07

POWER SUPPLY CHARACTERISTICS

Symbol

Parameter

Test Conditions(1)

∆ICC

Quiescent Power Supply Current VCC = Max.

TTL Inputs HIGH

VIN = VCC –0.6V

IC

Total Power Supply Current

VCC = Max.

CPUCLK = 50MHz

Outputs Open

CPUCLK = 60MHz

50% Duty Cycle CPUCLK = 66.66MHz

OE = VCC

NOTES:

1. Typical values are at V CC = 3.3V, +25°C ambient.

2. Per TTL driven input (VIN = VCC -0.6V); all other inputs at VCC or GND.

VIN = VCC

VIN = GND

Min. Typ.(2) Max. Unit

— 2.0 30 µA

—

mA

—

—

3245 tbl 08

9.10

4

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