PI5C162292 datasheet(3/4 Pages) PERICOM

3 / 4 page

PS8139C

01/11/00

PI5C16292/162292

24-Bit Mux/Demux BusSwitch (25

Ω

Ω)

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Power Supply Characteristics

Parameters

Description

Test Conditions

(1)

Min.

Typ

(2)

Max.

Units

ICC

Quiescent Power

VCC = MAX.VIN = GND or VCC

—

0.1

3.0

µA

Supply Current

∆ICC(3) Supply Current for

VCC = MAX.VIN = 3.4 V

(4)

—

2.5

S0 @ TTL HIGH

Other Inputs at VCC OR GND

ICCD

Supply Current for

VCC = Max.,

—

0.75

mA/

S0 per MHz

(5)

A and B Pins Open

MHz

Toggling 50% Duty Cycle

Notes:

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

2. Typical values are at VCC = 5.0V, +25°C ambient.

3. This is the increase in supply current for S0 at the specified TTL voltage level rather than VCC or GND.

4. Per TTL driven input (VIN = 3.4V, S0 only); A and B pins do not contribute to ICC.

5. This current applies to the control inputs only and represent the current required to switch internal capacitance at the specified frequency.

The A and B inputs generate no significant AC or DC currents as they transition. This parameter is not tested, but is guaranteed by design.

PI5C16292 Switching Characteristics over Operating Range

PI5C16292

Com.

Parameters

Description

Conditions(1)

Min

Max

Units

tPLH

Propagation Delay(2,3)

—

0.25

tPHL

xA1 to xBx, xBx to xA1

tPZH

Bus Enable time

1.5

6.5

tPZL

S to xA1 or xBx

tPHZ

Bus Disable time

1.5

tPLZ

S to xA1 or xBx

1.5

Make-before-break time(2)

PI5C162292 Switching Characteristics over Operating Range

Notes:

1. See test circuit and waveforms.

2. This parameter is guaranteed but not tested.

3. The bus switch contributes no propagational delay other than the RC delay of the ON resistance of the switch and load capacitance. The time constant

for the switch alone is of the order of 0.25ns for 50pF load. Since this time constant is much smaller than rise/fall times of typical driving signals,

it adds very little propagational delay to the system. Propagational delay of the bus switch, when used in a system, is determined by the driving circuit

on the driving side of the switch and its interaction with the load on the driven side.

4. Applies to tPLZ and tPZL.

PI5C162292

Com.

Parameters

Description

Conditions(1)

Min

Max

Units

tPLH

Propagation Delay(2,3)

—

1.25

tPHL

xA1 to xBx, xBx to xA1

tPZH

Bus Enable Time

1.5

6.5

tPZL

S to xA1 or xBx

tPHZ

Bus Disable Time

1.5

tPLZ

S to xA1 or xBx

1.5

Make-before-break time(2)

CL = 50pF

RL = 500Ω

R = 500

Ω to 7V(4)

CL = 50pF

RL = 500Ω

R = 500

Ω to 7V(4)

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