74VCX2245BQX Fairchild Semiconductor, 74VCX2245BQX Datasheet

74VCX2245BQX

Manufacturer Part Number

74VCX2245BQX

Description

TXRX BIDIRECT LOW VOLT 20DQFN

Manufacturer

Fairchild Semiconductor

Series

74VCXr

Datasheet

1.74VCX2245BQX.pdf (12 pages)

Specifications of 74VCX2245BQX

Logic Type

Transceiver, Non-Inverting

Number Of Elements

Number Of Bits Per Element

Current - Output High, Low

24mA, 24mA; 12mA, 12mA

Voltage - Supply

1.4 V ~ 3.6 V

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

20-WQFN Exposed Pad, 20-DQFN

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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74VCX2245WM

74VCX2245BQX

(Note 2)

74VCX2245MTC

74VCX2245

Low Voltage Bidirectional Transceiver

with 3.6V Tolerant Inputs and Outputs

and 26: Series Resistors in B Outputs

General Description

The VCX2245 contains eight non-inverting bidirectional

buffers with 3-STATE outputs and is intended for bus ori-

ented applications. The T/R input determines the direction

of data flow. The OE input disables both the A and B ports

by placing them in a high impedance state.

The 74VCX2245 is designed for low voltage (1.4V to 3.6V)

VCX2245 is also designed with 26

the B Port outputs. This design reduces line noise in appli-

cations such as memory address drivers, clock drivers, and

bus transceivers transmitters

The 74VCX2245 is fabricated with an advanced CMOS

technology to achieve high-speed operation while main-

taining low CMOS power dissipation.

Ordering Code:

Order Number

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Pb-Free package per JEDEC J-STD-020B.

Note 2: DQFN package available in Tape and Reel only.

Logic Symbol

Quiet Series

applications with I/O compatibility up to 3.6V. The

is a trademark of Fairchild Semiconductor Corporation.

MLP020B

Package

Number

MTC20

M20B

20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide

Pb-Free 20-Terminal Depopulated Quad Very-Thin Flat Pack No Leads (DQFN), JEDEC

MO-241, 2.5 x 4.5mm

20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide

series resistance in

DS500170

Features

Note 1: To ensure the high impedance state during power up and power

down, OE

value of the resistor is determined by the current sourcing capability of the

driver.

Pin Descriptions

1.4V - 3.6V V

3.6V tolerant inputs and outputs

Power-off high impedance inputs and outputs

Supports Live Insertion and Withdrawal (Note 1)

Static Drive (I

Uses patented Quiet Series

circuitry

Latchup performance exceeds JEDEC 78 conditions

ESD performance:

Human body model

Machine model

Leadless DQFN Pb-Free package

Pin Names

4.4 ns max for 3.0V to 3.6V V

Package Description

12 mA @ 3.0V V

(A to B)

T/R

series resistors in B Port outputs

–A

–B

should be tied to V

Output Enable Input (Active LOW)

Transmit/Receive Input

Side A Inputs or 3-STATE Outputs

Side B Inputs or 3-STATE Outputs

supply operation

200V

B outputs):

2000V

through a pull up resistor. The minimum

June 1999

Revised April 2005

Description

noise/EMI reduction

www.fairchildsemi.com

Related parts for 74VCX2245BQX

74VCX2245BQX Summary of contents

Page 1

... Ordering Code: Package Order Number Number 74VCX2245WM M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide 74VCX2245BQX MLP020B Pb-Free 20-Terminal Depopulated Quad Very-Thin Flat Pack No Leads (DQFN), JEDEC (Note 2) MO-241, 2.5 x 4.5mm 74VCX2245MTC MTC20 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “ ...

Page 2

Connection Diagrams Pin Assignments for SOIC and TSSOP Pad Assignments for DQFN (Top Through View) www.fairchildsemi.com Truth Table Inputs Outputs OE T Bus B –B Data to Bus Bus A –A Data to ...

Page 3

Absolute Maximum Ratings Supply Voltage ( Input Voltage ( Output Voltage ( Outputs 3-STATE Outputs Active (Note 5) 0. Input Diode Current ( ...

Page 4

DC Electrical Characteristics Symbol Parameter V HIGH Level Output Voltage OH B Outputs V LOW Level Output Voltage OL A Outputs V LOW Level Output Voltage OL B Outputs I Input Leakage Current I I 3-STATE Output Leakage OZ I ...

Page 5

AC Electrical Characteristics Symbol Parameter t Propagation Delay C PHL PLH Output Enable Time C PZL PZH Output Disable Time ...

Page 6

Dynamic Switching Characteristics Symbol Parameter V Quiet Output Dynamic Peak V , OLP Quiet Output Dynamic Peak Quiet Output Dynamic Valley V , OLV Quiet ...

Page 7

AC Loading and Waveforms (V TEST PLH PHL PZL PLZ PZH PHZ FIGURE 2. Waveform for Inverting and Non-inverting Functions FIGURE 3. 3-STATE Output High Enable and Disable Times for Low ...

Page 8

AC Loading and Waveforms (V TEST PLH PHL PZL PLZ PZH PHZ FIGURE 6. Waveform for Inverting and Non-inverting Functions FIGURE 7. 3-STATE Output High Enable and Disable Times for Low ...

Page 9

Tape and Reel Specification Tape Format for DQFN Package Tape Designator Section Leader (Start End) BQX Carrier Trailer (Hub End) TAPE DIMENSIONS inches (millimeters) REEL DIMENSIONS inches (millimeters) Tape Size A B 13.0 0.059 12 mm (330) (1.50) Number Cavity ...

Page 10

Physical Dimensions inches (millimeters) unless otherwise noted 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide www.fairchildsemi.com Package Number M20B 10 ...

Page 11

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) Pb-Free 20-Terminal Depopulated Quad Very-Thin Flat Pack No Leads (DQFN), JEDEC MO-241, 2.5 x 4.5mm Package Number MLP020B 11 www.fairchildsemi.com ...

Page 12

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves ...

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