MIC74YQS

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Details for Microchip Technology

MIC74YQS

2-Wire Serial I/O Expander & Fan Controller
Buy Directly from Microchip Technology (2478 in Stock)
$1.4200 per unit
Series Information for MIC74YQS - Microchip Technology

Features

  • feature
    2-wire SMBusu2122/I2Cu2122-compatible serial interface plus interrupt output
  • feature
    2.7V to 3.6V operating voltage range
  • feature
    5V-tolerant I/O
  • feature
    Bit-programmable I/O options:
  • feature
    Built-in fan speed control logic (optional)
  • feature
    Input or output
  • feature
    Interrupt on input changes
  • feature
    Low quiescent current: 2u00b5A (typical)
  • feature
    Outputs can directly dri
  • feature
    Push-pull or open-drain output

Description

I/O EXPANDER & FAN CTRL 8BIT QSOP-16
The MIC74 is a fully programmable serial-to-parallel I/O expander compatible with the SMBus™ (system manage- ment bus) protocol. It acts as a slave on the bus, providing eight independent I/O lines. Each I/O bit can be individually programmed as an input or output. If programmed as an output; each I/O bit can be programmed as an open-drain or complementary push-pull output. If desired, the four most significant I/O bits can be programmed to implement fan speed control. An internal clock generator and state machine eliminate the overhead generally associated with “bit-banging” fan speed control. Programming the device and reading/writing the I/O bits is accomplished using seven internal registers. All registers can be read by the host. Output bits are capable of directly driving high-current loads, such as LEDs. A separate interrupt output can notify the host of state changes on the input bits without requiring the MIC74 to perform a transaction on the serial bus or be polled by the host. Three address selection inputs are provided, allowing up to eight devices to share the same bus and provide a total of 64 bits of I/O. The MIC74 is available in an ultra-small-footprint 16-pin QSOP. Low quiescent current, small footprint, and low package height make the MIC74 ideal for portable and desktop applications.

Specifications

Chip Configuration:
8bit
Bus Frequency:
-
IC Interface Type:
I2C SMBus
Supply Voltage Min:
2.7V
Supply Voltage Max:
3.6V
Interface Case Style:
QSOP
No. of Pins:
16Pins
No. of I/O's:
8I/O's
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Driver Case Style:
QSOP

Alternate Descriptions

Avnet America

2-Wire Serial I/O Expander and Fan Controller 16-Pin QSOP Tube

Avnet America product

Microchip Technology Inc

2-Wire Serial I/O Expander & Fan Controller

Future Electronics

MIC74 Series 3.6V 100 kHz 2-Wire Serial I/O Expander & Fan Controller - QSOP-16