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idt74lvc2245a 3.3v cmos octal bus transceiver with 3-state outputs ...

idt74lvc2245a 3.3v cmos octal bus transceiver with 3-state outputs ...

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IDT74LVC2245A<br />

3.3V CMOS OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS<br />

INDUSTRIAL TEMPERATURE RANGE<br />

PIN CONFIGURATION<br />

DIR<br />

A1<br />

A2<br />

A3<br />

A4<br />

A5<br />

1<br />

2<br />

3<br />

5<br />

6<br />

A6 7<br />

A7<br />

A8<br />

4<br />

8<br />

9<br />

GND 10<br />

20<br />

19<br />

18<br />

17<br />

16<br />

15<br />

14<br />

13<br />

12<br />

11<br />

SOIC/ SSOP/ QSOP/ TSSOP<br />

TOP VIEW<br />

VCC<br />

OE<br />

B1<br />

B2<br />

B3<br />

B4<br />

B5<br />

B6<br />

B7<br />

B8<br />

ABSOLUTE MAXIMUM RATINGS (1)<br />

Symbol Description Max Unit<br />

VTERM Terminal Voltage <strong>with</strong> Respect to GND –0.5 to +6.5 V<br />

TSTG Storage Temperature –65 to +150 °C<br />

IOUT DC Output Current –50 to +50 mA<br />

IIK Continuous Clamp Current, –50 mA<br />

IOK VI < 0 or VO < 0<br />

ICC Continuous Current through each ±100 mA<br />

ISS VCC or GND<br />

NOTE:<br />

1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause<br />

permanent damage to the device. This is a stress rating only and functional operation<br />

of the device at these or any other conditions above those indicated in the operational<br />

sections of this specification is not implied. Exposure to absolute maximum rating<br />

conditions for extended periods may affect reliability.<br />

CAPACITANCE (TA = +25°C, F = 1.0MHz)<br />

Symbol Parameter (1) Conditions Typ. Max. Unit<br />

CIN Input Capacitance VIN = 0V 4.5 6 pF<br />

COUT Output Capacitance VOUT = 0V 5.5 8 pF<br />

CI/O I/O Port Capacitance VIN = 0V 6.5 8 pF<br />

NOTE:<br />

1. As applicable to the device type.<br />

PIN DESCRIPTION<br />

Pin Names Description<br />

OE<br />

Output Enable Input (Active LOW)<br />

DIR<br />

Direction Control Output<br />

A x<br />

Side A Inputs or 3-State Outputs<br />

B x<br />

Side B Inputs or 3-State Outputs<br />

FUNCTION TABLE (1)<br />

Inputs<br />

OE DIR Outputs<br />

L L B Data to A Bus<br />

L H A Data to B Bus<br />

H X Isolation<br />

NOTE:<br />

1. H = HIGH Voltage Level<br />

X = Don’t Care<br />

L = LOW Voltage Level<br />

2

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