33781 datasheet(4/44 Pages) FREESCALE

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Analog Integrated Circuit Device Data

Freescale Semiconductor

33781

PIN CONNECTIONS

VPP

Input

Test Mode

A high-voltage on this pin puts the device in test mode for IC

manufacturing test. It must be grounded in the application.

VCC

Input

Logic Supply

Regulated 5V input

CLK

Input

Clock Input

4.0MHz clock input

TESTIN

Test

Test Input

Input pin for device test. This pin must be tied to ground in the application.

TESTOUT

Test

Test Output

Output pin for device test. This pin is left floating in the application.

VSS_IDDQ

Ground

Digital Ground and

IDDQ Test

Ground reference for the digital circuits that should not consume current

during IDDQ testing. This ground is not connected to the other grounds

internally.

GND

Ground

Power Ground

Bus power return

D3L

Output Driver

Low Side Bus 3

Bus 3 low side

D3H

Output Driver

High Side Bus 3

Bus 3 high side

VSUP2

Power

Positive Supply for

Bus Outputs

This supply input is used to provide the positive level output of buses 2

and 3.

D2H

Output Driver

High Side Bus 2

Bus 2 high side

D2L

Output Driver

Low Side Bus 2

Bus 2 low side

GND

Ground

Power Ground

Bus power return

D1L

Output Driver

Low Side Bus 1

Bus 1 low side

D1H

Output Driver

High Side Bus 1

Bus 1 high side

VSUP1

Power

Positive Supply for

Bus Outputs

This supply input is used to provide the positive level output of buses 0

and 1.

D0H

Output Driver

High Side Bus 0

Bus 0 high side

DPH

Output Driver High Side Pseudo Bus Pseudo Bus high side

D0L

Output Driver

Low Side Bus 0

Bus 0 low side

DPL

Output Driver Low Side Pseudo Bus Pseudo Bus low side

GND

Ground

Power Ground

Bus power return

Table 1. 33781 Pin Definitions

A functional description of each Pin can be found in the Functional Pin Descriptions section beginning on page 15.

Pin Name

Pin Function

Formal Name

Definition

33781 Datasheet(PDF) 4 Page - Freescale Semiconductor, Inc

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