LXM1700-05 View Datasheet(PDF) - Microsemi Corporation

Part Name

Description

Manufacturer

LXM1700-05

PENTIUM II VRM MODULE

Microsemi Corporation 

PRODUCT DATABOOK 1996/1997

LXM1700-xx/1700A-xx

PENTIUM® II VRM MODULE

PR E L I M I N A RY D ATA S H E E T

CONNECTOR PIN-OUTS AND DESCRIPTIONS

Pin # Ref. Desig. Description

A1

A2

A3

A4

A5

A6

A7

A8

A9

A10

A11

A12

A13

A14

A15

A16

A17

A18

A19

A20

5VIN

5VIN

5VIN

12VIN

Reserved

ISHARE

VID0

VID2

VID4

VCC (VID)

VSS

VCC (VID)

VSS

VCC (VID)

VSS

VCC (VID)

VSS

VCC (VID)

VSS

VCC (VID)

5V Input Power (not needed for LXM1700-12)

5V Input Power (not needed for LXM1700-12)

5V Input Power (not needed for LXM1700-12)

12V Input Power

This pin is reserved for future applications

Consult Factory

Bit 0 of the 5-bit input (see Table 1)

Bit 2 of the 5-bit input (see Table 1)

Bit 4 of the 5-bit input (see Table 1)

Output voltage to microprocessor

Output voltage return

Output voltage to microprocessor

Output voltage return

Output voltage to microprocessor

Output voltage return

Output voltage to microprocessor

Output voltage return

Output voltage to microprocessor

Output voltage return

Output voltage to microprocessor

Pin # Ref. Desig. Description

B1 5VIN

B2 5VIN

B3 Reserved

B4 12VIN

B5 UP #

B6 OUTEN

B7 VID1

B8 VID3

B9 PWRGD

B10

B11

B12

B13

B14

B15

B16

B17

B18

B19

B20

VSS

VCC (VID)

VSS

VCC (VID)

VSS

VCC (VID)

VSS

VCC (VID)

VSS

VCC (VID)

VSS

5V Input Power (not needed for LXM1700-12)

5V Input Power (not needed for LXM1700-12)

This pin is reserved for future applications

12V Input Power

A TTL input indicates the presence of an

upgrade processor. LOW = Upgrade processor

A TTL input that disables output when it

switches to LO state

Bit 1 of the 5-bit input (see Table 1)

Bit 3 of the 5-bit input (see Table 1)

An open collector output that switches LO

when output is below the specified range

Output voltage return

Output voltage to microprocessor

Output voltage return

Output voltage to microprocessor

Output voltage return

Output voltage to microprocessor

Output voltage return

Output voltage to microprocessor

Output voltage return

Output voltage to microprocessor

Output voltage return

MODULE DIMENSIONS

0.188 (4.78)

3.10 (78.74)

2.725 (69.22)

TOP VIEW

1.00

(25.4)

1.50

(38.1)

0.30 (7.62) Max.

0.26 (6.60) Min.

FRONT

VIEW

(Facing Connector)

Connector

0.065 (1.65) Ref

B20

A20

Power Board

Component Area

Connector

Power

Board

0.80

B1 (20.32)

A1

Note: All dimensions in inches (mm).

0.15 (3.81) Typical

0.42 (10.67) Typical

0.062 ±0.008

(1.58 ±0.20)

Copyright © 1997

Rev. 0.4 4/97

3

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