IDT54FCT257CTLSOB datasheet(2/7 Pages) IDT

Part #	IDT54FCT257CTLSOB

Description	FAST CMOS QUAD 2-INPUT MULTIPLEXER

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Manufacturer	IDT [Integrated Device Technology]

Direct Link	http://www.idt.com

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MILITARYANDINDUSTRIALTEMPERATURERANGES

2

IDT54/74FCT257T/AT/CT/DT

FASTCMOSQUAD2-INPUTMULTIPLEXER

PIN CONFIGURATION

Symbol

Description

Max

Unit

VTERM(2) Terminal Voltage with Respect to GND

–0.5 to +7

V

VTERM(3) Terminal Voltage with Respect to GND

–0.5 to VCC+0.5

V

TSTG

Storage Temperature

–65 to +150

°C

IOUT

DC Output Current

–60 to +120

mA

ABSOLUTE MAXIMUM RATINGS(1)

NOTES:

1. Stresses greater than those listed under ABSOLUTE 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. No terminal voltage may exceed

Vcc by +0.5V unless otherwise noted.

2. Inputs and Vcc terminals only.

3. Output and I/O terminals only.

Symbol

Parameter(1)

Conditions

Typ.

Max.

Unit

CIN

Input Capacitance

VIN = 0V

6

10

pF

COUT

Output Capacitance

VOUT = 0V

8

12

pF

CAPACITANCE (TA = +25°C, F = 1.0MHz)

NOTE:

1. This parameter is measured at characterization but not tested.

CERDIP/ SOIC/ QSOP

TOP VIEW

PIN DESCRIPTION

Pin Names

Description

I0A–I0D

Source 0 Data Inputs

I1A–I1D

Source 1 Data Inputs

OE

Output Enable (Active LOW)

S

Select Input

ZA–ZD

Outputs

FUNCTION TABLE(1)

Inputs

OE

SI0

I1

Output Zx

HX

X

Z

LH

X

L

LH

X

H

LL

L

X

L

LL

H

X

H

NOTE:

1. H = HIGH Voltage Level

L = LOW Voltage Level

X = Don’t Care

Z = High-Impedance

LCC

TOP VIEW

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

1

S

I0A

GND

ZB

I0B

I1B

I1A

OE

I0C

I1C

ZC

I0D

I1D

ZD

VCC

ZA

1

2

3

4

5

7

9

6

8

10

11

12

13

14

15

16

17

18

19

20

NC

I0C

I1C

ZC

I0D

INDEX

I1A

ZA

I1B

NC

I0B

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