74LVXC3245WM Fairchild Semiconductor, 74LVXC3245WM Datasheet

74LVXC3245WM

Manufacturer Part Number

74LVXC3245WM

Description

IC TRANSCEIVER 8BIT 4SOIC

Manufacturer

Fairchild Semiconductor

Series

74LVXCr

Datasheet

1.74LVXC4245WMX.pdf (9 pages)

Specifications of 74LVXC3245WM

Logic Function

Translator, 3-State

Number Of Bits

Input Type

TTL

Output Type

Logic

Number Of Channels

Number Of Outputs/channel

Differential - Input:output

No/No

Propagation Delay (max)

4.8ns

Voltage - Supply

2.7 V ~ 3.6 V, 3 V ~ 5.5 V

Operating Temperature

-40°C ~ 85°C

Package / Case

24-SOIC (7.5mm Width)

Supply Voltage

Logic Type

CMOS

Logic Family

74LVX

Number Of Channels Per Chip

Input Level

CMOS

Output Level

CMOS

High Level Output Current

- 24 mA

Low Level Output Current

24 mA

Propagation Delay Time

8.5 ns

Supply Voltage (max)

3.6 V, 5.5 V

Supply Voltage (min)

2.7 V, 3 V

Maximum Operating Temperature

+ 85 C

Function

Transceiver

Input Bias Current (max)

8 uA

Minimum Operating Temperature

- 40 C

Mounting Style

SMD/SMT

Number Of Circuits

Polarity

Non-Inverting

Logic Device Type

Transceiver, Non Inverting

Supply Voltage Range

2.7V To 3.6V, 3V To 5.5V

Logic Case Style

SOIC

No. Of Pins

Operating Temperature Range

-40Â°C To +85Â°C

Family Type

LVXC

Rohs Compliant

Yes

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Data Rate

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

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74LVXC3245WM

74LVXC3245QSC

74LVXC3245MTC

74LVXC3245

8-Bit Dual Supply Configurable Voltage Interface

Transceiver with 3-STATE Outputs

Features

■ Bidirectional interface between 3V and 3V-to-5V buses

■ Control inputs compatible with TTL level

■ Outputs source/sink up to 24 mA

■ Guaranteed simultaneous switching noise level and

■ Implements patented EMI reduction circuitry

■ Flexible V

■ Allows B Port and V

■ Functionally compatible with the 74 series 245

Ordering Code:

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

Logic Symbol/s

Pin Descriptions

Order Number

dynamic threshold performance

is HIGH

Pin Names

T/R

–A

–B

CCB

operating range

Output Enable Input

Transmit/Receive Input

Side A Inputs or 3-STATE Outputs

Side B Inputs or 3-STATE Outputs

Package Number

CCB

MQA24

MTC24

M24B

to float simultaneously when OE

Description

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

24-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150" Wide

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

General Description

The LVXC3245 is a 24-pin dual-supply, 8-bit configurable

voltage interface transceiver suited for PCMCIA and other

real time configurable I/O applications. The V

accepts a 3V supply level. The A Port is a dedicated 3V

port. The V

Port is configured to track the V

tively. A 5V level on the V

at a 5V level and a 3V V

3V level. The A Port should interface with a 3V host system

and the B Port to the card slots. This device will allow the

when OE is HIGH. This feature is necessary to buffer data

to and from a PCMCIA socket that permits PCMCIA cards

to be inserted and removed during normal operation.

Connection Diagram/s

CCB

voltage source pin and I/O pins on the B Port to float

Package Description

CCB

pin accepts a 3V-to-5V supply level. The B

will configure the I/O pins at a

pin will configure the I/O pins

CCB

supply level respec-

www.fairchildsemi.com

February 2009

CCA

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74LVXC3245WM Summary of contents

Page 1

... OE CCB is HIGH ■ Functionally compatible with the 74 series 245 Ordering Code: Order Number Package Number 74LVXC3245WM M24B 224-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide 74LVXC3245QSC MQA24 24-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150" Wide 74LVXC3245MTC MTC24 24-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4 ...

Page 2

Truth Table HIGH Voltage Level L = LOW Voltage Level X = Immaterial Logic Diagram/s www.fairchildsemi.com Inputs Outputs T/R L Bus B Data to Bus A H Bus A Data to Bus B X ...

Page 3

Absolute Maximum Ratings Supply Voltage ( CCA CCB −0. Input Voltage ( OE, T Input/Output Voltage (V ) I/O −0. −0. ...

Page 4

DC Electrical Characteristics V CCA Symbol Parameter (V) I Maximum 3-STATE 3.6 OZA Output Leakage 3 Maximum 3-STATE 3.6 OZB Output Leakage 3 Maximum B 3 /Input All Inputs ...

Page 5

AC Electrical Characteristics 2.7V–3.6V CCA Symbol Parameter V 4.5V–5.5V CCB Min Typ (Note 6) t Propagation Delay 1.0 4.8 PHL 1.0 3.9 PLH t Propagation Delay 1.0 ...

Page 6

Power Up Considerations To insure the system does not experience unnecessary I current draw, bus contention, or oscillations during power up, the following guidelines should be adhered to (refer to Table 1): • Power up the control side of the ...

Page 7

Physical Dimensions inches (millimeters) unless otherwise noted 24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide 24-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150" Wide Package Number M24B Package Number MQA24 7 www.fairchildsemi.com ...

Page 8

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 24-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 ...

Page 9

9 www.fairchildsemi.com ...

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