Datasheet PI3VT3306L, PI3VT3306UX Datasheet (PERICOM)

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PI3VT3306

2-Bit, 2-Port, Low Voltage

Translator Bus Switch

Product Features

 Near zero propagation delay
 Low ON resistance switches connect inputs to outputs
 2.5V Supply Voltage Operation
 2.5V or 1.8V switching
 Packages available:

 8-pin, 173 mil wide plastic TSSOP (L)
 8-pin, 118 mil wide plastic MSOP (U)

Applications

 3.3V to 2.5V level shifting (voltage translation)
 2.5V to 1.8V level shifting (voltage translation)

Logic Block Diagram

A1 B1

BE1

A2 B2

Product Description

Pericom Semiconductors PI3VT series of logic circuits are produced
using the Companys advanced submicron CMOS technology,
achieving industry leading performance.

The PI3VT3306 is a 2.5V or 3.3V 2-bit, 2-port bus switch designed
with a low ON resistance (5 ohms). The switches are turned ON or
enabled by the Bus Enable (BEn) input signal.

Given a 3.3V supply and an input voltage of 3.3V, the switch
translates to an output voltage of 2.5V. Similarly, when operated
with a 2.5V supply and given 2.5V inputs, the device translates the
outputs to 1.8V.

Product Pin Configuration

BE1

A1
B1

GND

8-Pin

L, U

V

CC

BE2
B2
A2

BE2

Truth Table

*XZ-iHZ-iHDNGtcennocsiD

HZ-iHZ-iHV

LnBnAV

Notes:

1. H = High Voltage Level
L = Low Voltage Level

(1)

nEBnAnBV

CC

CC

CC

Product Pin Description

noitcnuF

tcennocsiD

tcennoC

emaNniPnoitpircseD

nEBelbanEhctiwS

1A-2AAsuB

1B-2BBsuB

V

CC

DNGdnuorG

rewoP

Hi-Z = High Impedance
X = Don't Care
* A pull-up resistor should be provided for power-up protection

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PS8533 03/22/01

Maximum Ratings

(Above which the useful life may be impaired. For user guidelines, not tested.)

PI3VT3306

2-Bit, 2-Port, Low Voltage

Translator Bus Switch

Storage Temperature ........................................................65°C to +150°C

Ambient Temperature with Power Applied ......................... 40°C to +85°C

Supply Voltage to Ground Potential ......................................... 0.5V to +4.6V

DC Input Voltage .................................................................. 0.5V to +5.5V

DC Output Current ............................................................................ 120mA

Power Dissipation ................................................................................ 0.5W

DC Electrical Characteristics (Over Operating Range, T

= 40°C to +85°C, VCC = 3.3V ±10%)

A

sretemaraPnoitpircseDsnoitidnoCtseT

V

HI

V

LI

I

HI

LI

I

HZO

egatloVHGIHtupnIleveLHGIHcigoLdeetnarauG8.1V

egatloVWOLtupnIleveLWOLcigoLdeetnarauG5.08.0

tnerruCHGIHtupnIV

tnerruCWOLtupnIV

CC

CC

tnerruCtuptuOecnadepmIhgiH0≤ B,A ≤ V

V

CC

V,.xaM=

V=

NI

V,.xaM=

NI

CC

V,.niM=

NI

Note:

Stresses greater than those listed under MAXIMUM
RATINGS may cause permanent damage to the device.
This is a stress rating only and functional operation of
the device at these or any other conditions above those
indicated in the operational sections of this specifica­tion is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect reli­ability.

)1(

CC

.niM.pyT

)2(

CC

1±

DNG=1±

1±

I,V0.0=

Am8=58

NO

.xaMstinU

V3.0+

V

AµI

R

NO

V

P

Capacitance (T

)5(

sretemaraP

C

NI

FFO

C

NO

egatloVssaP

= 25°C, f = 1 MHz)

A

V

CC

ecnatsiseRnOhctiwS

V

CC

V

CC

V

NI

V

NI

noitpircseDsnoitidnoCtseT.pyTstinU

ecnaticapaCtupnI

ffOhctiwS,ecnaticapaCB/A 0.5

nOhctiwS,ecnaticapaCB/A 0.01

V,.niM=

NI

V,V3.2=

NI

V,V3.2=

NI

V=

CC

V=

CC

I,V7.1=

I,V0.0=

I,V3.1=

I,V3.3=

TUO

I,V5.2=

TUO

Am8=0122

NO

Am8=69

NO

Am8=5203

NO

Aµ5=3.25.29.2

Aµ5=8.1

5.3

V

V0=

NI

Notes:

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

2. Typical values are at VCC = 3.3V, TA = 25°C ambient and maximum loading.

3. Not more than one output should be shorted at one time. Duration of the test should not exceed one second.

4. Measured by the voltage drop between A and B pin at indicated current through the switch. ON resistance is determined

by the lower of the voltages on the two (A,B) pins.

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

Ω

V

FpC

2

PS8533 03/22/01

Power Supply Characteristics

sretemaraPnoitpircseDsnoitidnoCtseT

PI3VT3306

2-Bit, 2-Port, Low Voltage

Translator Bus Switch

)1(

.niM.pyT

)2(

.xaMstinU

rewoPtnecseiuQ

tnerruCylppuS

V

tnerruCtnecseiuQ

CC

HGIHtupnIrep

V

NI

VroDNG=

CC

3

.xaM=

V

NI=

)3(

V3

05

∆I

I

CC

CC

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 ∆I

CC

.

Switching Characteristics over 3.3V ±0.3V Operating Range

sretemaraPnoitpircseDnoitidnoC

)3,2(

t

HLP

t

LHP

t

HZP

t

LZP

t

ZHP

t

ZLP

xBotxA

yaleDnoitagaporP

emiTelbanEsuB

xBroxAotEB

emiTelbasiDsuB

xBroxAotEB

)1(

C

L

R

L

C

L

R

L

,Fp05=

smhO005=

,Fp05=

smhO005=

smhO005=R

moC

.niM.xaM

52.0

5.15.6

5.15.5

Aµ

stinU

sn

Switching Characteristics over 2.5V ±0.2V Operating Range

sretemaraPnoitpircseDnoitidnoC

)3,2(

t

HLP

t

LHP

t

HZP

t

LZP

t

ZHP

t

ZLP

xBotxA

yaleDnoitagaporP

emiTelbanEsuB

xBroxAotEB

emiTelbasiDsuB

xBroxAotEB

C

L

R

L

C

L

R

L

,Fp05=

)1(

smhO005=

,Fp05=

smhO005=

smhO005=R

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.

moC

.niM.xaM

52.0

5.18.9

5.13.8

stinU

sn

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PS8533 03/22/01

8-pin TSSOP package (L)

PI3VT3306

2-Bit, 2-Port, Low Voltage

Translator Bus Switch

8-pin MSOP package (U)

Ordering Information

traPegakcaP-niPerutarepmeT

L6033TV3IP)L(POSST-8

Cº58+otCº04

XU6033TV3IP)U(POSM-8

Pericom Semiconductor Corporation

2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax [phone] • http://www.pericom.com

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PS8533 03/22/01