SPI IC Bus Interfaces and Controllers Datasheets

Interface - Controllers -- 1016-1297-5-ND [XR20M1170IG16-F from Exar Corporation]
from Digi-Key Electronics


  • Technology: I2C; RS485; SPI
  • Bias Current: 0.5000
  • Supply Voltage: 2.5V; 3.3V
  • Operating Temperature: -40 to 85
Serial Peripherals I/O Port Expander -- MCP23S08
from Microchip Technology, Inc.

8-bit port expander with interrupt output. 2 adddress inputs for up to 4 devices on one bus. 25mA sink/source capability per I/O. Supports up to 10MHz SPI ™ clock speeds. Internal power-on-reset (POR) [See More]

  • Technology: SPI
  • Data Rate: 10000
  • Supply Voltage: 1.8V; 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V; Other; 1.8-5.5 V
  • GPIO Ports: 2
10-Port Constant-Current LED Drivers and I/O Expanders with PWM Intensity Control -- MAX6966
from Maxim Integrated Products, Inc.

The MAX6966/MAX6967 serial-interfaced peripherals provide microprocessors with 10 I/O ports rated to 7V. Each port can be individually configured as either: A 20mA constant-current LED driver (static or pulsewidth modulated (PWM)). A 10mA constant-current LED driver (static or PWM). An open-drain... [See More]

  • Technology: SPI
  • Package Type: QFNL; QSOP; QSOP, TQFN
  • Operating Temperature: -40 to 125
  • Pins: 16