IDT74FST3257Q datasheet(2/5 Pages) IDT

2 / 5 page

10.3

IDT74FST3257

QUAD 2:1 MUX/DEMUX BUS SWITCH

COMMERCIAL TEMPERATURE RANGES

FUNCTION TABLE

(1)

ABSOLUTE MAXIMUM RATINGS

(1)

DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE

Following Conditions Apply Unless Otherwise Specified:

Commercial: TA = –40

°C to +85°C, VCC = 5.0V ±5%

CAPACITANCE

(1)

SI0A-D

I1A-D

ZA-D

NOTE:

1. H = HIGH Voltage Level

L = LOW Voltage Level

X = Don't Care

Z = High Impedance

3257 tbl 03

Symbol

Description

Max.

Unit

VTERM(2) Terminal Voltage with Respect

to GND

–0.5 to +7.0

TSTG

Storage Temperature

–65 to +150

°C

IOUT

Maximum Continuous Channel

Current

128

NOTES:

1. Stresses greater than those listed under ABSOLUTE MAXIMUM RAT-

INGS 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 condiitions for

extended periods may affect reliability.

2. VCC, Control and Switch terminals.

3257 tbl 02

Symbol

Parameter

Conditions(2) Typ. Unit

CIN

Control Input Capacitance

CI/O

Switch Input/Output

Capacitance

Switch Off

3257 tbl 04

NOTES:

1. Capacitance is characterized but not tested

2. TA = 25

°C, f = 1MHz, VIN = 0V, VOUT = 0V

Symbol

Parameter

Test Conditions(1)

Min.

Typ.(2)

Max.

Unit

VIH

Input HIGH Voltage

Guaranteed Logic HIGH for Control Inputs

2.0

—

VIL

Input LOW Voltage

Guaranteed Logic LOW for Control Inputs

—

0.8

II H

Input HIGH Current

VCC = Max.

VI = VCC

——

±1

µA

II L

Input LOW Voltage

VI = GND

—

±1

IOZH

High Impedance Output Current

VCC = Max.

VO = VCC

——

±1

µA

IOZL

(3-State Output pins)

VO = GND

—

±1

IOS

Short Circuit Current

VCC = Max., VO = GND(3)

—

300

—

VIK

Clamp Diode Voltage

VCC = Min., IIN = –18mA

—

–

0.7

–

1.2

RON

Switch On Resistance(4)

VCC = Min., VIN = 0.0V,

ION = 30mA

—5

Ω

VCC = Min., VIN = 2.4V,

ION = 15mA

—10

Ω

IOFF

Input/Output Power Off Leakage

VCC = 0V, VIN or VO

≤ 4.5V

—

±1

µA

ICC

Quiescent Power Supply Current

VCC = Max., VI = GND or VCC

—

0.1

µA

3257 tbl 05

NOTES:

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

2. Typical values are at VCC = 5.0V, +25

°C ambient.

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

4. Measured by voltage drop between ports at indicated current through the switch.

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