PI49FCT807T datasheet(3/6 Pages) PERICOM

3 / 6 page

PI49FCT807/2807T

Fast CMOS Clock Driver

PS7008C

06/26/01

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PowerSupplyCharacteristics

Parameters Description

TestConditions(1)

Min.

Typ.(2)

Max.

Units

ICC

Quiescent Power

VCC=Max.

VIN=GND

µA

Supply Current

or Vcc

∆

ICC

Supply Current per

VCC=Max.,

VIN=3.4V(3)

0.5

1.5

Input @ TTL HIGH

ICCD

Supply Current per

VCC = Max., Outputs Open

VIN=VCC

0.4

0.6

mA/

Input per MHz(4)

50% Duty Cycle,

VIN=GND

MHz

One Input Toggling

Total Power Supply

VCC = Max., Outputs Open

VIN=VCC

30(5)

Current(6)

fCP = 50 MHZ,VIN=GND

50% Duty Cycle

VIN=3.4V

20.7

33(5)

VIN=GND

Notes:

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

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 the Icc formula. These limits are guaranteed but not tested.

6. IC =IQUIESCENT + IINPUTS + IDYNAMIC

IC = ICC + ∆ICC DHNT + ICCD (fCP/2 + fINI)

ICC = Quiescent Current

∆ICC = 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 = Input Frequency

NI = Number of Inputs at fI

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

SwitchingCharacteristicsoverOperatingRange

807/2807T

807AT

807BT

807CT

Com.

Parameters

Description

Conditions(1)

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Max. Units

tPLH

PropagationDelay

CL = 50pF

1.5

4.5

1.5

4.0

1.5

3.8

1.5

3.5

tPHL

A TO BN

RL = 500Ω

tSK(o)

Skewbetweentwooutputs

0.5

0.35

0.25

ofsamepackage(3)

tSK(p)

Skewbetweenopposite

0.5

0.35

transitionsofsame

output (|tPHL tPLH|)(3)

tSK(t)

Skewbetweenoutputsof

1.0

0.75

differentpackageatsame

powersupply,temperature

andspeedgrade(3)

Notes:

1. See test circuit and wave forms.

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

3. This parameter is guaranteed but not tested.

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