EMC2103 datasheet(16/85 Pages) MICROCHIP

16 / 85 page

RPM-Based Fan Controller with Hardware Thermal Shutdown

Datasheet

DS0005250A-page 16

 2013 Microchip Technology Inc.

3.3

EEPROM Loader Electrical Specifications

The EEPROM Loader is only active in the EMC2103-4 device when enabled via the SHDN_SEL pull-

up resistor (see Section 5.1.1).

Data Hold Time

tHD:DAT

0.6

Data Setup Time

tSU:DAT

0.6

Clock Low Period

tLOW

1.3

Clock High Period

tHIGH

0.6

Clock/Data Fall time

tFALL

300

Min = 20+0.1CLOAD ns

Clock/Data Rise time

tRISE

300

Min = 20+0.1CLOAD ns

Capacitive Load

CLOAD

400

Total per bus line

Table 3.4 EEPROM Loader Electrical Specifications

VDD = 3.0V to 3.6V, TA = -40

oC - 125oC, Typical values are at T

A = 27°C unless otherwise noted

CHARACTERISTIC

SYMBOL

MIN

TYP

MAX

UNITS

CONDITIONS

Interface

Input High/Low Current

IIH / IIL

±5

Powered or unpowered

Hysteresis

420

Input Capacitance

CIN

Timing

Loading Delay

tDLY

Delay after power-up until EEPROM

loading begins. (See Section 4.9.)

Loading Time

tLOAD

Clock Frequency

fSMB

kHz

Spike Suppression

tSP

Bus free time Start to

Stop

tBUF

1.3

Hold Time: Start

tHD:STA

0.6

Setup Time: Start

tSU:STA

0.6

Setup Time: Stop

tSU:STO

0.6

Data Hold Time

tHD:DAT

0.3

Data Setup Time

tSU:DAT

100

Table 3.3 SMBus Electrical Specifications (continued)

VDD= 3V to 3.6V, TA = -40°C to 125°C Typical values are at TA = 27°C unless otherwise noted.

CHARACTERISTIC

SYMBOL

MIN

TYP

MAX

UNITS

CONDITIONS

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