LM93 datasheet(89/92 Pages) NSC

89 / 92 page

20068203

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.

Note 3: When the input voltage (VIN) at any pin exceeds the power supplies (VIN < (GND or AGND) or VIN > VDD, except for analog voltage inputs), the current

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 LM93’s pins. Care should be taken not to forward

bias the parasitic diode, D1, present on pins D+ and D−. Doing so by more than 50 mV may corrupt temperature measurements. An “U” in the table below indicates

that the device is connected to the pin listed. D3 and the ESD Clamp are connected between V+ (VDD, AD_IN16) and GND. SNP stands for snap-back device.

20068204

Symbol

Pin #

SNP

GPIO_0/TACH1

Ω

GPIO_1/TACH2

Ω

GPIO_2/TACH3

Ω

GPIO_3/TACH4

Ω

GPIO_4 /

P1_THERMTRIP

Ω

GPIO_5 /

P2_THERMTRIP

Ω

GPIO_6

Ω

GPIO_7

Ω

VRD1_HOT

VRD2_HOT

SCSI_TERM1

SCSI_TERM2

SMBDAT

SMBCLK

ALERT/XtestOut

RESET

AGND

Internally shorted to GND pin.

REF

REMOTE1–

UUUUU

Ω

REMOTE1+

Ω

REMOTE2–

UUUUU

Ω

REMOTE+

Ω

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