Datasheet PI3B16213 Datasheet (PERICOM)

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56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34

33 25 26 27 28

PI3B16213

3.3V, 24-Bit Bus-Exchange Switch

Product Features

• Near-zero propagation delay

•5Ω switches connect inputs to outputs

• Direct bus connection when switches are ON

• Fast Switching Speed - 5.5ns max.

• Operating Vcc Range: 3.0V to 3.6V

• Industrial operating temperature: –40°C to +85°C

• Packages available:

Product Description

Pericom Semiconductor’s PI3B series of logic circuits are produced in the Company’s advanced 0.35 micron CMOS technology.

The PI3B16213 is a 3.3 volt, 24-bit bus-exchange switch designed with a low ON resistance allowing connections to be made with minimal propagation delay. This device operates as a 24-bit or as a 12-bit bus switch, providing data exchange between the four signal ports via the data-select (S0-S2) terminals.

– 56-pin 240-mil wide thin plastic TSSOP (A) – 56-pin 300-mil wide plastic SSOP (V)

Logic Block Diagram

1 of 12 Channels

Truth Table

Note:

S0 S1 S2

Function S2 S1 S0 A1 A2

Disconnect L LLZZ A1 to B1 L L H B1 Z A1 to B2 L H L B2 Z A2 to B1 L H H Z B1 A2 to B2 H L L Z B2 A1 to A2 and B2 H L H A2/B2 A1/B2 A1 to B1, A2 to B2 H H L B1 B2 A1 to B2, A2 to B1 H H H B2 B1

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

FLOW CONTROL

Product Pin Configuration

1A1 1A2 2A1 2A2 3A1 3A2

GND

4A1 4A2 5A1 5A2 6A1 6A2 7A1 7A2

VCC

8A1

GND

8A2 9A1

9A2 10A1 10A2 11A1 11A2 12A1 12A2

Product Pin Description

Pin Name I/O Description

S0-S2 I Select Inputs xAx I/O Bus A xBx I/O Bus B

56-PIN

A, V

S1 S2

1B1 1B2 2B1 2B2 3B1

GND

3B2 4B1 4B2 5B1 5B2 6B1 6B2 7B1 7B2 8B1

GND

8B2 9B1 9B2 10B1 10B2 11B1 11B2 12B1 12B2

PS8169A 11/09/98

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3.3V 24-Bit Bus-Exchange Switch

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Maximum Ratings

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

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

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

Supply Voltage Range................................................. –0.5V to +4.60V

DC Input Voltage ........................................................ –0.5V to +4.60V

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

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.

Power Dissipation.............................................................................1 W

Electrical Characteristics (Over the Operating Range, TA = –40°C to +85°C, VCC = 3.0V to 3.6V)

PI3B16213

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egatloVHGIHtupnIV

.niM=Am81-=II2.1-V

0=.xaM=IV01

)1(

.xaMtinUs

IItnerruCtupnI

)2(

OFF

tnerruC

ylppuSrewoPtnecseiuQ

ecnaticapaCtupnIV0=niV3

ecnaticapaCB/A,ffOhctiwSDNG=2S,1S,0S;V0=niV41

.xaM=DNGro.xaM=IV1±

0=OI.xaM=VIV=

DNGro01

I=I03,Am58

VI 0=

BotA.niM=ccVV

)3(

M=ni

I=I46Am58

VI V4.2=I=I51Am0151

I=I03,Am0141

VI 0=

2Aot1A.niM=ccVV

M=ni

I=I46Am0141

VI V4.2=I=I51Am0203

Notes:

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

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

3. 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.

Aµ

Ω

PS8169A 11/09/98

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Recommended Operating Conditions

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egatlovylppuS0.3

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

Notes:

1. Typical values are at Vcc = 3.3V, +25°C ambient.

PI3B16213 Switching Characteristics over Operating Range

3.3V 24-Bit Bus-Exchange Switch

)1(

 



.xaMstinU

6.3

8.0

58C°

V6.3otV0.3=

PI3B16213

sretemaraP)TUPNI(morF)TUPTUO(oT

)2,1(

BroAAroB52.0

stinUniMxaM

1A2A5.0

)2(

SID

)2(

SID

SBroA15.4

SBroA15.5

0S2Adna1A15.4

0S2Adna1A15.5

Note:

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

2. See test circuit and waveforms.

Pericom Semiconductor Corporation

2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com

PS8169A 11/09/98