DEI1188 8CH GND/OPEN DISCRETE INTERFACE IC W/ EXT HV PROTECTION | Products

DEI1188 8CH GND/OPEN DISCRETE INTERFACE IC W/ EXT HV PROTECTION

Model No.: DEI1188

DEI1188-SES/SMS

Eight discrete inputs
Senses GND/OPEN discrete signals.
Meet input threshold and hysteresis requirements specified per Airbus ABD0100H specification.
Thresholds: 4.5 V / 10.5 V, Hysteresis: 3V
1 mA input current to prevent dry relay contacts.
Internal isolation diode.
Uses external series 3 kÃ´_Ã• resistors on inputs to implement lightning transient immunity of DO160, Section 22 Level 3, and higher levels with the addition of small TVS devices.
Inputs protected from Lightning Induced Transients per DO160E, Section 22, Cat A3 and B3 plus waveform 5A to 500 V.
Serial I/O interface to read data register
Direct interface to Serial Peripheral Interface (SPI) port.
TTL/CMOS compatible inputs and Tristate output
10 MHZ Max Data Rate
Serial input to expand Shift Register
Pin compatible with DEI1066
Logic Supply Voltage (VCC): 3.3 V +/-5%
Analog Supply Voltage (VDD): 12.0 V to 16.5 V
16L SOIC EP package