Single-Channel CardBus and PCMCIA VCC/VPP

Power-Switching Network

8

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Table 1. Standard “Intel” Code (82365SL),

CODE = GND

Table 2. “Cirrus” Code, CODE = High (VY)

STBY = Standby Mode

STBY = Standby Mode

MODE

Active

Active

Active

STBY

Active

Active

Active

Active

STBY

STBY

STBY

Active

Active

Active

Active

Active

A0VPP

VPP

0

12IN

1

VCC

0

GND

1

GND

1

High-Z

0

GND

1

VCC

0

12IN

1

0

GND

GND

0

GND

1

High-Z

0

GND

1

VCC

0

12IN

1

High-Z

VCC

VX

VY

VY

VY

VY

GND

VY

VX

VY

VY

VX

VX

VY

GND

GND

GND

A1VCC

A1VPP

0

1

0

0

0

0

0

1

0

1

1

0

1

0

1

1

0

0

0

0

0

1

1

1

1

0

1

0

1

1

1

1

A0VCC

0

1

1

1

1

0

1

0

1

1

0

0

1

0

0

0

______________________________________________________________Pin Description

__________________________________________________________Logic Truth Tables

MODE

Active

Active

Active

STBY

Active

Active

Active

A1VCC

Active

STBY

A1VPP

0

STBY

STBY

1

0

Active

STBY

0

0

STBY

STBY

0

0

STBY

1

0

A0VPP

1

1

VPP

0

0

1

12IN

1

0

1

VCC

0

1

0

0

GND

1

0

High-Z

1

0

0

High-Z

0

1

1

GND

1

1

1

VCC

0

0

1

12IN

1

0

1

0

High-Z

1

1

High-Z

0

1

High-Z

1

High-Z

0

GND

1

GND

0

GND

1

GND

VCC

VY

VX

GND

VX

VX

High-Z

VX

VY

GND

GND

VY

VY

A0VCC

0

1

1

1

1

0

1

0

1

1

0

0

1

0

GND

0

0

High-Z

High-Z

High-Z

VY and Logic Supply Voltage Inputs. VY pins must be connected together. Input range is +3V to

+5.5V. VY is normally connected to 3.3V.

VY

8, 10

+12V Supply Voltage Input

12IN

2

VPP Control Input (

see Logic Truth Tables).

A1VPP

12

VX Supply Voltage Input. Input range is +3.0V to +5.5V. VX is normally connected to 5V.

VX

5

VPP Control Input (

see Logic Truth Tables).

A0VPP

11

VCC Output. Connect all four VCC pins together.

VCC

4, 6, 7, 9

PIN

Ground

GND

1

NAME

FUNCTION

VPP Output

VPP

3

VCC Control Input (see

Logic Truth Tables).

A1VCC

14

VCC Control Input (see

Logic Truth Tables).

A0VCC

13

Fault-Detection Output.

FAULT goes low during current limit, undervoltage lockout, or thermal

limit.

FAULT is an open-drain output that requires an external pull-up resistor.

FAULT

16

Three-Level Code-Select Input (see

Logic Truth Tables): Low = Standard “Intel” code,

High = “Cirrus” code, Mid-Supply = “Databook” code (Figure 4).

CODE

15