PI49FCT3802QE datasheet(3/6 Pages) PERICOM

Part #	PI49FCT3802QE

Description	1:5/1:7 Clock Buffer for Networking Applications

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Manufacturer	PERICOM [Pericom Semiconductor Corporation]

Direct Link	http://www.pericom.com

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3 / 6 page

3

PS8559A

09/14/04

PI49FCT3802/PI49FCT3803

1:5/1:7 Clock Buffers

for Networking Applications

Notes:

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

2. Typical values are at VDD = 3.3V, +25°C ambient.

3. Per TTL driven input (VIN = VDD – 0.6V); all other inputs at VDD or GND.

Capacitance (TA = 25°C, f = 1 MHz)

Parameters(1)

Description

Test Conditions

Typ

Max.

Units

CIN

Input Capacitance

VIN = 0V

3.0

4

pF

COUT

Output Capacitance

VOUT = 0V

—

6

Note:

1. This parameter is determined by device characterization but is not production tested.

Power Supply Characteristics

Parameters

Description

Test Conditions

Min.

Typ.(2) Max. Units

IDDQ

Quiescent Power Supply Current

VDD = Max.

VIN = GND or VDD

0.1

30

µA

∆IDD

Supply Current per Inputs

@ TTL High

VDD = Max.

VIN = VDD -0.6V(3)

47

300

IDD

Dynamic Supply Current

VDD = 3.6V,

No load

50 MHz

43

mA

67 MHz

56

80 MHz

66

100 MHz

81

125 MHz

97

156 Mhz

121

Notes:

1. See test circuit and waveforms.

2. Minimum limits are guaranteed but not tested on Propagation Delays.

3. Skew measured at worse cast temperature (max. temp).

4. Identical conditions: loading, transitions, supply voltage, temperature, package type and speed grade.

Switching Characteristics (VDD = 3.3V ± 0.3V, TA = 85°C)

Parameters

Desciription

Test Conditions Min. Typ. Max. Units

tR/tF

CLKn Rise/Fall Time 0.8V ~ 2.0V

CL = 15pF,

125 Mhz

0.7

1.0

ns

tPLH

tPHL

Propagation Delay BUF_IN to CLKn

1.0

2.2

2.5

tsk(o)(3)

Skew between two outputs of the same package (same

transition)

110

250

ps

tsk(p)(3)

Skew between opposite transitions (tPHL - tPLH) of the same

output

200

250

tsk(t)(3)

Skew between two outputs of different packages(4)

0.55

ns

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