PI3VT3245L datasheet(3/5 Pages) PERICOM

3 / 5 page

PS8530B

08/13/04

PI3VT3245

8-Bit, 2-Port, Low Voltage

Translator Bus Switch

Power Supply Characteristics

Parameters

Description

Test Conditions(1)

Min.

Typ.(2)

Max.

Units

ICC

Quiescent Power Supply Current

VCC = Max.

VIN = GND or VCC

µA

∆ICC

Quiescent Current per Input HIGH

VIN = 3V(3)

Notes:

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

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

3. Per driven input (control input only); A and B pins do not contribute to ΔICC.

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.

Switching Characteristics over 2.5V ±0.2V Operating Range

Parameters

Description

Conditions(1)

Com.

Units

Min.

Max.

tPLH

tPHL

Propogation Delay(2,3) Ax to Bx

CL = 50pF,

RL = 500Ω

0.25

tPZH

tPZL

Enable Time BE to Ax or Bx

CL = 50pF,

RL = 500Ω,

R = 500Ω

1.5

9.8

tPHZ

tPLZ

Disable Time BE to Ax or Bx

1.5

8.3

Switching Characteristics over 3.3V ±0.3V Operating Range

Parameters

Description

Conditions(1)

Com.

Units

Min.

Max.

tPLH

tPHL

Propogation Delay(2,3) Ax to Bx

CL = 50pF,

RL = 500Ω

0.25

tPZH

tPZL

Enable Time BE to Ax or Bx

CL = 50pF,

RL = 500Ω,

R = 500Ω

1.5

9.8

tPHZ

tPLZ

Disable Time BE to Ax or Bx

1.5

8.3

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