INDUSTRIALTEMPERATURERANGE

2

IDT74FCT2245AT/CT

FASTCMOSOCTALBIDIRECTIONALTRANSCEIVER

PIN CONFIGURATION

Pin Names

Description

OE

Output Enable Input (Active LOW)

T/R

Transmit/Receive Input

A0 - A7

Side A Inputs or 3-State Outputs

B0 - B7

Side BInputs or 3-State Outputs

PIN DESCRIPTION

NOTE:

1. H = HIGH Voltage Level

X = Don’t Care

L = LOW Voltage Level

2

3

1

16

15

14

11

19

18

20

17

13

12

5

6

7

4

8

9

10

A2

A0

A1

VCC

A3

A6

A4

A5

A7

GND

OE

B2

B0

B1

B3

B6

B4

B5

B7

T/R

SOIC/ QSOP

TOP VIEW

FUNCTION TABLE(1)

Inputs

OE

T/R

Outputs

L

L

Bus B Data to Bus A

L

H

Bus A Data to Bus B

H

X

High Z State

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.