DEI1026A Six Channel Discrete-to-Digital Interface Sensing Open/Ground Signals

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Device Engineering Incorporated 385 East Alamo Drive Chandler, AZ 85225 Phone: (480) 3030822 Fax: (480) 3030824 Email: admin@deiaz.com DEI1026A Six Channel DiscretetoDigital Interface Sensing Open/Ground Signals Features Senses six Open/Ground Inputs Inputs are lightning protected to DO160G Level 3 ABD0100 compliant input voltage threshold TTL/CMOSCompatible TriState Outputs Package / Temperature Options: 16 lead.150 SOIC, 55 C /85 C or 125 C 16 lead Ceramic 300mil SOP, 55 C /125 C SOIC package option shown Functional Description The DEI1026A is a six channel discretetodigital interface BiCMOS device. It senses six Open/Ground discrete signals of the type commonly found in avionic systems. The inverted 3state outputs are TTL/CMOS compatible and are enabled by the OE and CE pins. The inputs are lightning protected to meet the requirements of DO160D Sec 22 Waveforms 3, 4, and 5, Level 3. See figures 57. The device is available in a 16 lead.150 SOIC and.300 Ceramic SOP. With its reliability, low cost, operating range, and lightning protection, the DEI1026 meets a large variety of interface requirements for aerospace applications. OE CE V DD IN 1 IN 2 OUT 1 OUT 2 OE CE V DD IN 1 IN 2 OUT 1 OUT 2 IN 3 IN 4 IN 5 IN 6 2K Vdd OUT 3 OUT 4 OUT 5 OUT 6 IN 3 IN 4 IN 5 IN 6 2K 3.1V Reference Vdd OUT 3 OUT 4 OUT 5 OUT 6 3.1V Reference GND GND Figure 1: Concept Drawing Figure 2: Pinout Diagram Device Engineering Incorporated 1 of 9 DSMW0102602 Rev. G

Electrical Characteristics Table 1: Absolute Maximum Ratings PARAMETER MIN MAX UNITS Supply Voltage VDD 0.3 7.0 V Discrete Input Voltage (Pins 16) 5 40 * V VSS Digital Input Voltage (CE and OE) 0.3 VDD 0.3 V Lightning Protection (Pins 16) 660 660 DO160G, Waveform 3; Level 3 pin injection V 330 330 DO160G, Waveforms 4, and 5; Level 3 pin injection Junction Temperature 145 o C Storage Temperature Plastic 65 150 o C Ceramic 55 150 Operating Free Air Temperature Plastic 55 85 o C Ceramic 55 125 Peak Body Temperature Plastic, G Package Ceramic 260 240 o C The DEI1026A contains circuitry to protect inputs from damage due to electrostatic discharge. It has been characterized perjesd22a114 Human Body Model to Class 1C. Observe precautions for handling and storing Electrostatic Sensitive Devices. * The DEI1026A will withstand the transient surge DC voltage step function loci limits for category B equipment per MIL STD704A. Table 2: DEI1026A Device Operating Characteristics PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Supply Voltage VDD 4.5 5.0 5.5 V Free Air Operating Temp. TA VDD = 4.5 5.5 V Plastic Ceramic Logic Output Sink Current IOL VDD = 4.5 5.5 V 5.0 ma Logic Output Source Current IOH VDD = 4.5 5.5 V 5.0 ma 55 55 85 125 o C /CE Chip Enable Table 3: DEI1026A Logic Truth Table /OE Output Enable IN N Discrete Input OUT N Output 0 0 Open 0 0 0 Ground 1 1 X X High Z X 1 X High Z Device Engineering Incorporated 2 of 9 DSMW0102602 Rev. G

Table 4A: DEI1026ASEx Electrical Characteristics (TA = 55 C to 85 C, VDD = 4.5 to 5.5 V, Unless otherwise noted) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Power Supply Characteristics Supply Current Ground state input voltage Open state input voltage Ground state input resistor Open state input resistor Input source current IDD VSG VSO RIG RIO IIO VIN = VDD (all inputs) VDD = 5.5 V Discrete Input Characteristics Voltage source from input terminal to ground for Logic High Output. Voltage source from input terminal to ground for Logic Low Output. Resistor from input to ground to guarantee Logic High Output. Resistor from input to ground to guarantee Logic Low Output. Current sourced into 100 Ohm resistor to Ground. 5 10 ma 3.5 V 4.1 V 0 100 W 500k 100 330 ma Reverse leakage current IIR VIN = 35 V, VDD = 0 V 100 ma Logic Input Characteristics CE, OE input logic 1 level VIH 2.0 V CE, OE input logic 0 level VIL 0.8 V DC Output Characteristics Output logic 1 level (TTL) VOH IOH = 5 ma 2.4 V Output logic 0 level (TTL) VOL IOL = 5 ma (2) 0.4 V Output logic 1 level (CMOS) VOH IOH = 100 ma VDD 50mV V Output logic 0 level (CMOS) VOL IOL = 100 ma VSS 50mV V W Offstate Output Current IOZ OE = VDD VDD = 5.5 V VOUT = 0 or VDD Switching Characteristics [1] /10 ma I/O propagation delay thl, tlh Refer to Figure 4. 150 ns output low) to output HIZ output HIZ) to output low output high) to output HI Z output HIZ) to output high tlz Refer to Figure 3. 25 ns tzl Refer to Figure 3. 25 ns thz Refer to Figure 3. 25 ns tzh Refer to Figure 3. 25 ns Device Engineering Incorporated 3 of 9 DSMW0102602 Rev. G

Table 4B: DEI1026AxMx Electrical Characteristics (TA = 55 C to 125 C, VDD = 4.5 to 5.5 V, Unless otherwise noted) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Power Supply Characteristics Supply Current Ground state input voltage Open state input voltage Ground state input resistor Open state input resistor Input source current IDD VSG VSO RIG RIO IIO VIN = VDD (all inputs) VDD = 5.5 V Discrete Input Characteristics Voltage source from input terminal to ground for Logic High Output. Voltage source from input terminal to ground for Logic Low Output. Resistor from input to ground to guarantee Logic High Output. Resistor from input to ground to guarantee Logic Low Output. Current sourced into 100 Ohm resistor to Ground. 5 10 ma 3.5 V 4.1 V 0 100 W 500k 100 330 ma Reverse leakage current IIR VIN = 35 V, VDD = 0 V 100 ma Logic Input Characteristics CE, OE input logic 1 level VIH 2.0 V CE, OE input logic 0 level VIL 0.8 V DC Output Characteristics Output logic 1 level (TTL) VOH IOH = 5 ma 2.4 V Output logic 0 level (TTL) VOL IOL = 5 ma (2) 0.4 V Output logic 1 level (CMOS) VOH IOH = 100 ma VDD 50mV V Output logic 0 level (CMOS) VOL IOL = 100 ma VSS 50mV V W Offstate Output Current IOZ OE = VDD VDD = 5.5 V VOUT = 0 or VDD Switching Characteristics [1] /10 ma I/O propagation delay thl, tlh Refer to Figure 4. 170 ns output low) to output HIZ output HIZ) to output low output high) to output HI Z output HIZ) to output high Notes: tlz Refer to Figure 3. 30 ns tzl Refer to Figure 3. 30 ns thz Refer to Figure 3. 30 ns tzh Refer to Figure 3. 30 ns 1. Guaranteed by design and not production tested. 2. Limit the sum of all IOL currents to 20ma. The Vsg spec may exceed limit beyond this current. Device Engineering Incorporated 4 of 9 DSMW0102602 Rev. G

Device Engineering Incorporated 5 of 9 DSMW0102602 Rev. G

Figure 5 Input Switching Threshold Voltage Characteristics Figure 6 Input Switching Resistance to Ground Characteristics Device Engineering Incorporated 6 of 9 DSMW0102602 Rev. G

DO160 WF3 Voc/Isc Waveform DO160 WF4 Voc/Isc Waveform Notes: 1. DO160G pin injection Level 3 waveforms. 2. Voltage tolerance: 20%, 0% 3. Waveform Source Impedance characteristics: Waveform 3 Voc/Isc = 600V / 24A => 25 W Waveform 4 Voc/Isc = 300 V / 60 A => 5 W Waveform 5A Voc / Isc = 300V / 300A => 1 W Figure 7 DO160G Pin Injection Test Waveforms DO160 WF5 Voc/Isc Waveform Package Characteristics Table 5: Package Characteristics 16 Lead SOIC PACKAGE TYPE Narrow Body, Green 16 Lead Ceramic SOP REFERENCE 16L SOIC NB G 16L CSOP THERMAL RESISTANCE: q JA (4 layer PCB with Power Planes) ~74 C/W q JC ~30 C/W 23 C/W JEDEC MOISTURE SENSITIVITY LEVEL (MSL) LEAD FINISH MATERIAL / JEDEC Pbfree CODE MSL 1 / 260 C NiPdAu e4 Hermetic PbFree DESIGNATION RoHS Compliant Pb Free JEDEC REFERENCE MS012AC Au e4 Device Engineering Incorporated 7 of 9 DSMW0102602 Rev. G

16L SOIC NB G Figure 8: 16L SOIC Mechanical Outline 16L CSOP Figure 9: 16L CSOP Mechanical Outline Device Engineering Incorporated 8 of 9 DSMW0102602 Rev. G

Ordering Information Table 6: Ordering Information DEI PART NUMBER MARKING (1) PACKAGE OP. TEMP. RANGE PROCESSING DEI1026ASESG DEI1026ASES E4 16L SOIC NB G 55 / 85ºC Standard DEI1026ASMSG DEI1026ASMS 16L SOIC NB G 55 / 125ºC Standard E4 (3) DEI1026AWMS DEI1026AWMS 16 lead ceramic SOP 55 / 125ºC Standard DEI1026AWMB DEI1026AWMB 16 lead ceramic SOP NOTES: 1. All packages marked with Lot Code and Date Code. 2. E4 after Date Code Denotes Pb Free category. 3. Alternate marking is SES Blue Dot 55 / 125ºC Burn In, 96 hr @125ºC DEI reserves the right to make changes to any products or specifications herein. DEI makes no warranty, representation, or guarantee regarding suitability of its products for any particular purpose. Device Engineering Incorporated 9 of 9 DSMW0102602 Rev. G