Datasheet PI5C3301C, PI5C3301T Datasheet (PERICOM)

1

PS8366D 01/11/01

Product Description

Pericom Semiconductor’s PI5C series of logic circuits are produced
using the Company’s advanced submicron CMOS technology,
achieving industry leading speed grades.

The PI5C3301 is a single digital switch designed with a fast enable.
When enabled via the associated Bus Enable (BE) pin, the “A” pin
is directly connected to the “B” pin. The bus switch introduces no
additional propagation delay or additional ground bounce noise.

The PI5C3301 device has an active LOW enable.

Product Features

· Near zero propagation delay

· 5-Ohm switches connect inputs to outputs

· Direct bus connection when switches are ON

· Ultra Low Quiescent Power (0.2µA Typical)
– Ideally suited for notebook applications

· Packages available:
– 5-pin plastic S0T23 (T)
– 5-pin plastic SC70 (C)

Logic Block Diagram

Product Pin Configuration

Product Pin Description

Pin Name Description

BE Switch Enable
A Bus A
B Bus B
Vc c Power
GND Ground

BE A B Vcc Function

X* Hi-Z Hi-Z GN D Disconnect

H Hi-Z Hi-Z Vcc Disconnect

L B A Vc c Connect

Truth Table

(1)

Notes:

1 . H = High Voltage Level

L = Low Voltage Level
HI-Z =High Impedance
X =Don’t Care

*A pull-up resistor should be provided for power-up protection.

1

2

3

5

4

Vcc

BE

A

B

GND

5-Pin

C, T

PI5C3301

Single Bit Bus Switch

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PI5C3301

Single Bit Bus Switch

2

PS8366D 01/11/01

Capacitance (T

A

= 25°C, f = 1 MHz)

Parameters

(4)

Description Test Conditions Typ. Units

CIN Input Capacitance VIN = 0V 3 pF
COFF A/B Capacitance, Switch Off VIN = 0V 5 pF

CON A/B Capacitance, Switch On V

IN

= 0V 1 0 pF

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

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

Supply Voltage to Ground Potential (Inputs & Vcc Only) ....... –0.5V to +7.0V

Supply Voltage to Ground Potential (Outputs & D/O Only).... –0.5V to +7.0V

DC Input Voltage ...................................................................... –0.5V to +7.0V

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

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

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.

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 = 5.0V, TA = 25°C ambient and maximum loading.
3 . Measured by the voltage drop between A and B pin at indicated current through the switch. ON resistance is determine

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

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

Maximum Ratings

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

DC Electrical Characteristics (Over the Operating Range, T

A

= –40°C to +85°C, VCC = 5V± 10%)

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PI5C3301

Single Bit Bus Switch

3

PS8366D 01/11/01

PI5C3301

VCC = 5V ± 10% VCC = 4V

Parameters Description Conditions

(1)

Min. Max. Min. Max. Units

t

PLH

Propagation Delay

(2,3)

0.25 0.25

t

PHL

A to B, B to A

t

PZH

Bus Enable Time CL = 50pF 1.0 4.9 5.5 ns

t

PZL

RL = 500Ω

t

PHZ

Bus Disable Time 1 4. 2 4. 5

t

PLZ

Switching Characteristics over Operating Range

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.

Pericom Semiconductor Corporation

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

Power Supply Characteristics

Parameters Description Test Conditions

(1)

Min. Typ.

(2)

Max. Units

I

CC

Quiescent Power Supply Current VCC = Max. VIN = GND or VCC 0.1 3.0 µA

∆I

CC

Supply Current per Input @ TTL HIGH VCC = Max. VIN = 3.4V

(3)

2.5 mA

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.

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Ordering Information