MC74LVX4245DTG ON Semiconductor, MC74LVX4245DTG Datasheet

MC74LVX4245DTG

Manufacturer Part Number

MC74LVX4245DTG

Description

IC TXRX DUAL OCT 3ST LV 24TSSOP

Manufacturer

ON Semiconductor

Series

LVXr

Type

Transceiverr

Datasheet

1.MC74LVX4245DTR2G.pdf (10 pages)

Specifications of MC74LVX4245DTG

Number Of Drivers/receivers

8/8

Voltage - Supply

2.7 V ~ 5.5 V

Mounting Type

Surface Mount

Package / Case

24-TSSOP

Logic Type

CMOS

Logic Family

74LVX

Number Of Channels Per Chip

Input Level

CMOS

Output Level

CMOS

Output Type

3-State

High Level Output Current

- 24 mA

Low Level Output Current

24 mA

Propagation Delay Time

10 ns

Supply Voltage (max)

3.6 V, 5.5 V

Supply Voltage (min)

2.7 V, 4.5 V

Maximum Operating Temperature

+ 85 C

Function

Bus Transceiver with Voltage Translation

Input Bias Current (max)

8 uA

Maximum Power Dissipation

200 mW

Minimum Operating Temperature

- 40 C

Mounting Style

SMD/SMT

Number Of Circuits

Polarity

Non-Inverting

Operating Supply Voltage (typ)

3.3/5V

Number Of Elements

Number Of Channels

Input Logic Level

CMOS

Output Logic Level

CMOS

Package Type

TSSOP

Logical Function

Bus Transceiver with Voltage Translation

Operating Supply Voltage (min)

2.7/4.5V

Technology

CMOS

Operating Temp Range

-40C to 85C

Operating Temperature Classification

Industrial

Mounting

Surface Mount

Additional Features

W/Volt Translation

Pin Count

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Protocol

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

Other names

MC74LVX4245DTGOS

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MC74LVX4245

Dual Supply Octal

Translating Transceiver

with 3−State Outputs

transceiver that is designed to interface between a 5.0 V bus and a 3.0 V

bus in a mixed 3.0 V / 5.0 V supply environment such as laptop

computers using a 3.3 V CPU and 5.0 V LCD display. The A port

interfaces with the 5V bus; the B port interfaces with the 3.0 V bus.

flow. Transmit (active−High) enables data from the A port to the B

port. Receive (active−Low) enables data from the B port to the A port.

The Output Enable (OE) input, when High, disables both A and B

ports by placing them in 3−State.

Features

*For additional information on our Pb−Free strategy and soldering details, please

March, 2005 − Rev. 4

download the ON Semiconductor Soldering and Mounting Techniques

Reference Manual, SOLDERRM/D.

The 74LVX4245 is a 24−pin dual−supply, octal translating

The Transmit/Receive (T/R) input determines the direction of data

Threshold Performance

Bi−directional Interface Between 5.0 V and 3.0 V Buses

Control Inputs Compatible with TTL Level

5.0 V Data Flow at A Port and 3.0 V Data Flow at B Port

Outputs Source/Sink 24 mA at 5.0 V Bus and 12 mA at 3.0 V Bus

Guaranteed Simultaneous Switching Noise Level and Dynamic

Available in SOIC and TSSOP Packages

Functionally Compatible with the 74 Series 245

Pb−Free Packages are Available*

Semiconductor Components Industries, LLC, 2005

CCB

CCA

T/R

CCB

Figure 1. 24−Lead Pinout

(Top View)

GND GND

GND

See detailed ordering and shipping information in the package

dimensions section on page 5 of this data sheet.

PIN NAMES

Pins

T/R

A0−A7

B0−B7

ORDERING INFORMATION

Function

Output Enable Input

Transmit/Receive Input

Side A 3−State Inputs or 3−State

Outputs

Side B 3−State Inputs or 3−State

Outputs

http://onsemi.com

DW SUFFIX

CASE 751E

CASE 948H

DT SUFFIX

TSSOP−24

SOIC−24

= Assembly Location

= Wafer Lot

= Year

= Work Week

Publication Order Number:

DIAGRAMS

MC74LVX4245/D

MARKING

AWLYYWW

LVXC4245

4245

LVX

Related parts for MC74LVX4245DTG

MC74LVX4245DTG Summary of contents

Page 1

... V T CCA Figure 1. 24−Lead Pinout (Top View) *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. Semiconductor Components Industries, LLC, 2005 March, 2005 − Rev GND GND GND 1 http://onsemi.com ...

Page 2

MC74LVX4245 Figure 2. Logic Diagram INPUTS OE T High Voltage Level; L ...

Page 3

ABSOLUTE MAXIMUM RATINGS Symbol Parameter Supply Voltage CCA V CCB V DC Input Voltage Input/Output Voltage I Input Diode Current Output Diode Current Output Source/Sink Current ...

Page 4

DC ELECTRICAL CHARACTERISTICS Symbol Parameter I Max Input Leak- IN OE, age T/R Current I Max 3−State Out- OZA put Leakage An I Max 3−State Out- OZB put Leakage Bn DI Maximum I An,OE CC CCT T/R per Input Bn ...

Page 5

AC ELECTRICAL CHARACTERISTICS Symbol Parameter t Propagation Delay PHL t PLH t Propagation Delay PHL t PLH t Output Enable Time PZL t PZH t Output Enable Time ...

Page 6

Dual Supply Octal Translating Transceiver The 74LVX4245 dual−supply device well capable of bidirectional signal voltage translation. This level shifting ability provides an excellent interface between low voltage CPU local bus and a standard 5.0 V I/O ...

Page 7

MC74LVX4245 MICROCHANNEL/ EISA/ISA/ BUS KEYBOARD CONTROLLER SUPER 5V I/O V CCA CORE LOGIC A PORT TRANSCEIVERS A0:7 PCMCIA CONTROLLER VGA CONTROLLER Figure 4. MC74LVX4245 Fits Into a System with 3V Subsystem and 5V Subsystem V CCA (T/R) DIR ...

Page 8

MC74LVX4245 50 PLH Bn, An WAVEFORM 1 − PROPAGATION DELAYS 2.5ns, 10 1MHz 50% V OE, T PZH An PZL ...

Page 9

D 24X 0.010 (0.25 −T− SEATING PLANE G 22X MC74LVX4245 PACKAGE DIMENSIONS SOIC−24 DW SUFFIX CASE 751E−04 ISSUE E 13 −B− P 12X 0.010 (0.25 ...

Page 10

... DETAIL DETAIL E N. American Technical Support: 800−282−9855 Toll Free USA/Canada Japan: ON Semiconductor, Japan Customer Focus Center 2−9−1 Kamimeguro, Meguro−ku, Tokyo, Japan 153−0051 Phone: 81−3−5773−3850 http://onsemi.com 10 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14 ...

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