16.0 Timing Waveform

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17.0 Electrical Notes

Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is

functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics. The guaranteed

specifications apply only for the test conditions listed. Some performance characteristics may degrade when the device is not operated under the listed test

conditions.

Note 2: All voltages are measured with respect to GND, unless otherwise noted.

at that pin should be limited to 10 mA. The 100 mA maximum package input current rating limits the number of pins that can safely exceed the power supplies with

an input current of 10 mA to ten. Parasitic components and/or ESD protection circuitry are shown below for the LM94’s pins. Care should be taken not to forward

bias the parasitic diode, D1, present on pins D+ and D− as shown in circuits C and D. Doing so by more than 50 mV may corrupt temperature measurements. D1

Symbol

Pin #

Circuit

All Input Circuits

GPIO_0/TACH1

1

A

Circuit A

GPIO_1/TACH2

2

A

GPIO_2/TACH3

3

A

GPIO_3/TACH4

4

A

GPIO_4 / P1_THERMTRIP

5A

GPIO_5 / P2_THERMTRIP

6A

GPIO_6

7

A

GPIO_7

8

A

VRD1_HOT

9A

VRD2_HOT

10

A

SCSI_TERM1

11

A

SCSI_TERM2

12

A

Circuit B

SMBDAT

13

A

SMBCLK

14

A

ALERT/XtestOut

15

A

RESET

16

A

AGND

17

B (Internally

shorted to

GND pin.)

V

REF

18

A

REMOTE1–

19

C

REMOTE1+

20

D

REMOTE2–

21

C

REMOTE+

22

D

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