PI5C3384 datasheet(3/6 Pages) PERICOM

3 / 6 page

PS7029F

05/02/07

PI5C3384/3384C

10-Bit, 2-Port Bus switch

Capacitance (TA = 25ºC, f = 1 MHz)

Parameters(1)

Description

Test Conditions

Typ.

Max.

Units

CIN

Input Capacitance

VIN = 0V

COFF

A/B Capacitance, Switch Off

CON

A/B Capacitance, Switch On

Notes:

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

Power Supply Characteristics

Parameters

Description

Test Conditions(1)

Min.

Typ.(2)

Max.

Units

ICC

Quiescent Power

Supply Current

VCC = Max.,

VIN = GND or VCC

PI5C3384

0.1

3.0

μA

PI5C3384C

100

ΔICC

Supply Current per

Input @ TTL HIGH

VCC = Max.,

VIN = 3.4V(3)

2.5

ICCD

Supply Current per

Input per MHz(4)

VCC = Max.,

A and B Pins Open

BE1 or BE2 = GND

Control Input Toggling

50% Duty Cycle

0.25

mA/

MHz

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, control inputs only); A and B pins do not contribute to ICC.

4. 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.

Switching Characteristics over Operating Range

Parameters

Description

Conditions(1)

PI5C3384/3384C

Unit

Min.

Typ.

Max.

tPLH

tPHL

Propagation Delay(2,3)

Ax to Bx, Bx to Ax

CL= 50pF

RL = 500Ω

0.25

tPZH

tPZL

Bus Enable Time

BEX to Ax or Bx

1.5

6.5

tPHZ

tPLZ

Bus Disable Time

BEx to Ax or Bx

1.5

5.5

Notes:

1. See test circuit and waveforms.

2. This parameter is guaranteed but not tested on Propagation Delays.

3. The bus switch contributes no propagational delay other than the RC delay of the On-Resistance of the switch and the 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 the 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.

07-0124

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