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PI5C3125C

4-Bit Bus Switch with Individual Enables

Pericom Semiconductor 

PI5C3125C/3126C

4-Bit Bus Switch with

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DC Electrical Characteristics (Over the Operating Range, TA = –40°C to +85°C, VCC = 5V ± 10%)

Parameters Description

Test Conditions(1)

Min.

VIH

Input HIGH Voltage

Guaranteed Logic HIGH Level

2.0

VIL

Input LOW Voltage

Guaranteed Logic LOW Level

–0.5

IIH

Input HIGH Current

VCC = Max., VIN = VCC

IIL

Input LOW Current

VCC = Max., VIN = GND

IOZH

High Impedance Output Current 0 ≤ A, B ≤ VCC

VIK

Clamp Diode Voltage

VCC = Min., IIN = –18mA

VUP

Undershoot Protection Voltage(3) Max Inputs, Undershoot Pulse

Duration <25ns

RON

Switch On Resistance(4)

VCC = Min., VIN = 0.0V, ION = 48mA

VCC = Min., VIN = 2.4V, ION = 15mA

Typ(2)

5

10

Max.

0.8

±1

±1

±1

–1.8

–2.0

7

15

Units

V

V

µA

µA

µA

V

V

ohm

Capacitance (TA = 25°C, f = 1 MHz)

Parameters(5) Description

Test Conditions

Typ. Max. Units

CIN

COFF

CON

Input Capacitance

A/B Capacitance, Switch Off

A/B Capacitance, Switch On

VIN = 0V

VIN = 0V

VIN = 0V

6

pF

6

pF

8

pF

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. 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.

Power Supply Characteristics

Parameters Description

ICC

Quiescent Power

Supply Current

∆ICC

Supply Current per

Input @ TTL HIGH

Test Conditions(1)

VCC = Max.

VIN = GND or VCC

VCC = Max.

VIN = 3.4V(3)

Min. Typ(2) Max.

100

Units

µA

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.

3

PS8512 03/14/01

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