81840 128 Channel Multiplexer ADDRESS ENABLE COMMON TO ALL INPUT MUX’s 8 CASCADE INPUT BYPASS 4 8 16:1 1840A IN 16 ADDRESS ENABLE CLAMP/ PRECHARGE ADDRESS ENABLE 7 V+ (+15V) 4 5 5 GRND GRND IN IN 128 TOTAL ANALOG INPUTS 16:1 1840A 5 OUT 16:1 1840A IN 8 81840 IN + OUT POSITIVE OUTPUT 8 GRND 16 V(-15V) GRND 16:1 1840A (8 TOTAL 1840A’s) GROUND REFERENCE INPUTS IN 8 8 SPARE INPUTS 8 IN 16:1 1840A - OUT NEGATIVE OUTPUT 5 16:1 1840A IN 16:1 1840A OUT SPARE OUTPUT GRND 8 5 8 5 ADDRESS ENABLE GRND 4 4 See page 2 for pin assignments. ADDRESS ENABLE SPARE OUTPUT ADDRESS GRND ENABLE 8 VREF (+5V) SPARE INPUT Memory GRND 4 ADDRESS ENABLE FEATURES: DESCRIPTION: • 128 channel multiplexer, MCM • Package: - 256 pin RAD-PAK® quad flat pack • Total dose hardness: - > 300 krads(Si) • - Dependent upon orbit • Excellent Single Event Effects: SEL: > 110 MeV-cm2/mg SEU: > 110 MeV-cm2/mg Maxwell Technologies’ 81840 high-performance 128-channel multiplexer features a typical 300 krad (Si) total dose tolerance. This datasheet defines the design, performance, and test requirements for a hermetic, telemetry multiplexer, multi-chip-module (MCM), utilizing chip and wire technology to be used in space systems. The 81840 is intended for use in the environments encountered by high reliability spacecraft applications. The patented radiation-hardened RAD-PAK® technology incorporates radiation shielding in the microcircuit package. Capable of surviving in-space environment, the 81840 is ideal for satellite, spacecraft, and space probe missions. It is available up to Class K screening. 06.17.02 REV 5 (858) 503-3300 - Fax: (858) 503-3301 - www.maxwell.com All data sheets are subject to change without notice 1 ©2021 Maxwell Technologies All rights reserved. 81840 128 Channel Multiplexer 81840 Pinout Diagram Memory 06.17.02 REV 5 All data sheets are subject to change without notice 2 ©2021 Maxwell Technologies All rights reserved. 81840 128 Channel Multiplexer TABLE 1. PINOUT DESCRIPTION SYMBOL 1, 23, 42, 64, 65, 81, 112, 128, 129, 151, 171, 192, 193, 213, 236, 256 GND 2-9, 13-16, 18-21, 24-31, 34-41, 44-47, 49-52, 56-63, 66-73, 77-80, 82-85, 87-90, 92-95, 98101, 103-106, 108-111, 113-116, 120-127, 130137, 141-144, 146-149, 152-159, 162-169, AIN1 - 128 10, 22, 32, 33, 43, 55 CLP1 - 6 11, 54, 75, 96, 97, 107, 117, 118, 138, 139, 150, 160, 161, 170, 182, 203, 214, 223, 228, 233, 240, 244, 249 NC 12, 53, 76, 117, 140, 181, 204, 245 +15V 17, 48, 91, 102, 145, 176, 215, 234 -15V 172-175, 177-180 SP1IN1 - 8 184-191 SP2IN1 - 8 194-201 GRIN1 - 8 183, 202, 250 +5V 206-212 CASIN1 - 7 216 H1EN 217 BYPASS 218 SP2EN 224 SP1EN 222-219 HA0 - 3 227-225 SP2A0 - 2 229 CASEN 233-230 SP1A0 - 2 235 L1EN 239-237 CASA0 - 2 243-241 LA0 - 2 248-246 GRA0 - 2 252 SP1OUT 251 SP2OUT 253 NEGATIVE 254 POSITIVE 255 GREN 06.17.02 REV 5 DESCRIPTION Memory PIN All data sheets are subject to change without notice 3 ©2021 Maxwell Technologies All rights reserved. 81840 128 Channel Multiplexer TABLE 2. 81840 ABSOLUTE MAXIMUM RATINGS1,2,3,4 ENVIRONMENT RANGES V+ To Ground 20V V- To Ground -20V Input Overvoltage, AIN(1) to AIN(128) 35V to-35V (Power ON or OFF) 4V over VREF and -4V below Grd Input Overvoltage, Logic Inputs Power Dissipation 500mW Maximum Storage Temperature -65 to 150°C Operating Temperature -55 to 125°C Memory 1. The LMUX MCM is designed to operate with power supply voltages ranging from ±5.2V to ±20VDC. 2. The maximum voltage each input AIN(128:1) may see without damage is +35V to -35V with respect to ground. 3. Stresses above the absolute maximum rating may cause permanent damage to the device. Extended operation at the maximum levels may degrade performance and affect reliability. 4. TA = 25°C unless otherwise specified. TABLE 3. 81840 AC ELECTRICAL CHARACTERISTICS PARAMETER TEST CONDITIONS SUBGROUPS TEST LIMITS TA = 25°C Address Input to I/O Channels Prop. Delay tON(A) tOFF(A) VIN = 5.0V RL = 5k> CL = 50pF 9, 10, 11 Enable to I/O tON(EN) tOFF(EN) VIN = 5.0V RL = 5k> CL = 50 pF 9, 10, 11 On Channel Isolation VISO(ON) All enable = 0.8V VIN = 3VRMS @ 500kHz1 4, 5, 6 Off Channel Isolation VISO(OFF) All enable = 4.0V VIN = 3VRMS @ 500kHz1 4, 5, 6 UNITS TA = 125°C TA = -55° C MIN MAX MIN MAX MIN MAX --- 1500 1500 --- 1500 1500 --- 1500 1500 nsec --- 1500 1500 --- 1500 1500 --- 1500 1500 nsec 45 -- 45 -- 45 -- db 45 -- 45 -- 45 -- db 1. Controlled by design, not directly tested. 06.17.02 REV 5 All data sheets are subject to change without notice 4 ©2021 Maxwell Technologies All rights reserved. 81840 128 Channel Multiplexer TABLE 4. DELTA LIMITS PARAMETER VARIATION IS+ ±10% IS- ±10% ISB+ ±10% ISB- ±10% TABLE 5. 81840 ELECTRICAL TEST TABLE PARAMETER TEST CONDITIONS SUBGROUPS TEST LIMITS TA = 25°C TA = 125°C TA =-55°C MIN MAX MIN MAX MIN MAX -15 15 -15 15 -15 15 V Bypass Output, On-Resistance, 5V, RBP(ON) VIN = 5V IOUT = -1.0mA 1, 2, 3 2.0 6.0 2.0 6.0 2.0 6.0 kΩ Positive Output, On-Resistance, 5V, RPO(ON) VIN = 5V IOUT = -1.0mA 1, 2, 3 3.0 9.0 3.0 9.0 3.0 9.0 kΩ Negative or Spare Output, On- VIN = 5V Resistance, IOUT = -1.0mA 5V, RNS(ON) 1, 2, 3 1.0 3.0 1.0 3.0 1.0 3.0 kΩ Bypass Output, On-Resistance, -5V, RBP(ON) VIN = -5V IOUT = 1.0mA 1, 2, 3 2.0 6.0 2.0 6.0 2.0 6.0 kΩ Positive Output, On-Resistance, -5V, RPO(ON) VIN = -5V IOUT = 1.0mA 1, 2, 3 3.0 9.0 3.0 9.0 3.0 9.0 kΩ Negative or Spare Output, On- VIN = -5V Resistance, IOUT = 1.0mA -5V, RNS(ON) 1, 2, 3 1.0 3.0 1.0 4.0 1.0 4.0 kΩ Input Leakage Current, LA0, All unused pins = Ground LA1, LA2, HA0, LIEN, Address or Enable Pins, IAH, IAL 1, 2, 3 -100 100 -200 200 -200 200 nA Input Leakage Current, All Other Address or Enable Pins IAH, IAL All unused pins = Ground 1, 2, 3 -100 100 -200 200 -200 200 nA Leakage Current into MUX Input Channels, AINxx, GRINx, SP1INx, SP2INx, CASINx, +IS(OFF) VIN = 10V, All enables = 4.0V All unused inputs & outouts = -10V 1, 2, 3 -20 20 -100 100 -100 100 nA Leakage Current into MUX Input Channels, AINxx, GRINx, SP1INx, SP2INx, CASINx, IS(OFF) VIN = -10V All enables = 4.0V All unused inputs & outputs = +10V 1, 2, 3 -20 20 -100 100 -100 100 nA 06.17.02 REV 5 All data sheets are subject to change without notice Memory Analog Signal Range, V0 UNITS 5 ©2021 Maxwell Technologies All rights reserved. 81840 128 Channel Multiplexer TABLE 5. 81840 ELECTRICAL TEST TABLE PARAMETER TEST CONDITIONS SUBGROUPS TEST LIMITS UNITS TA = 25°C TA = 125°C TA =-55°C MIN MAX MIN MAX MIN MAX VIN = 25V VS+, VS-, VREF, VA, VEN & All unused inputs = Ground 1, 2, 3 -50 50 -100 100 -100 100 nA Leakage Current into MUX Input Channels, AINxx, GRINx, SP1INx, SP2INx, CASINx, Positive Overvoltage, +IS(OFF)0V1 VIN = 35V, CLPx, SP1OUT, SP2OUT, BYPASS, POSITIVE, NEGATIVE = 0.0V All enables = 4.0V All unused = GND 1, 2, 3 -100 100 -200 200 -200 200 nA Leakage Current into MUX Input Channels, AINxx, GRINx, SP1INx, SP2INx, CASINx, Negative Overvoltage, IS(OFF)0V1 VIN = -35V, CLPx, SP1OUT, SP2OUT, BYPASS, POSITIVE, NEGATIVE =0.0V All enables = 4.0V All unused = GND 1, 2, 3 -100 100 -200 200 -200 200 nA Leakage Current into MUX Output Channels, SP1OUT, SP2OUT, POSITIVE, NEGATIVE, Positive Overvoltage, +ID(OFF)0V1 VIN = 35V, CLPx, SP1OUT, SP2OUT, BYPASS, POSITIVE, NEGATIVE = 0.0V All enables = 4.0V All unused = GND 1, 2, 3 -75 75 -200 200 -200 200 nA Leakage Current into MUX Output Channels, CLPx, BYPASS, +ID(OFF)0V1 VIN = 35V, CLPx, SP1OUT, SP2OUT, BYPASS, POSITIVE, NEGATIVE = 0.0V All enables = 4.0V All unused = GND 1, 2, 3 -100 100 -400 400 -400 400 nA Leakage Current into MUX Output Channels, SP1OUT, SP2OUT, POSITIVE, NEGATIVE, Negative Overvoltage, ID(OFF)0V1 VIN = -35V, CLPx, SP1OUT, SP2OUT, BYPASS, POSITIVE, NEGATIVE = -10V All enables = 4.0V All unused = 0.0V 1, 2, 3 -75 75 -200 200 -200 200 nA Leakage Current into MUX Output Channels, CLPx, BYPASS, -ID(OFF)0V1 VIN = -35V, CLPx, SP1OUT, SP2OUT, BYPASS, POSITIVE, NEGATIVE = -10V All enables = 4.0V All unused = 0.0V 1, 2, 3 -100 100 -400 400 -400 400 nA 06.17.02 REV 5 All data sheets are subject to change without notice Memory Leakage Current into MUX Input Channels, AINxx, GRINx, SP1INx, SP2INx, CASINx, Power off, +IS(OFF)PO 6 ©2021 Maxwell Technologies All rights reserved. 81840 128 Channel Multiplexer TABLE 5. 81840 ELECTRICAL TEST TABLE PARAMETER TEST CONDITIONS SUBGROUPS TEST LIMITS UNITS TA = 25°C TA = 125°C TA =-55°C MIN MAX MIN MAX MIN MAX All VIN = 10V, CLPx, SP1OUT, SP2OUT, BYPASS, POSITIVE NEGATIVE = 10V All enables = 0.8V All unused = 0.0V 1, 2, 3 -20 20 -100 100 -100 100 nA Leakage Current into off MUX Output Channels, CLPx, SP1OUT, SP2OUT, BYPASS, POSITIVE, NEGATIVE, -ID(OFF) All VIN = -10V, CLPx, SP1OUT, SP2OUT, BYPASS, POSITIVE, NEGATIVE = 10V All enables = 0.8V All unused = 0.0V 1, 2, 3 -20 20 -100 100 -100 100 nA Leakage Current into on MUX Output Channels, CLPx, SP1OUT, SP2OUT, BYPASS, POSITIVE, NEGATIVE, -ID(ON) Note: Sequence all inputs for each output. Output and Input Under Test = 10V All unused VIN = 10V All enables = 0.8V 1, 2, 3 -20 20 -100 100 -100 100 nA Leakage Current into on MUX output Channels, CLPx, SP1OUT, SP2OUT, BYPASS, POSITIVE, NEGATIVE, ID(ON) Note: Sequence all inputs for each output Output and Input Under Test = -10V All unused VIN = -10V All enables = 0.8V 1, 2, 3 -20 20 -100 100 -100 100 nA 1, 2, 3 4.5 7.0 4.5 7.0 4.5 7.0 V VIN = 5.0V 1, 2, 3 -- 0.3 Vref -- 0.3 Vref -- 0.3 Vref V Input Voltage High VIH2 VIN = 5.0V 1, 2, 3 0.7 Vref -- 0.7 Vref -- 0.7 Vref -- V Supply Current for IS+ IS- All enables = 0.8V 1, 2, 3 0.65 -0.65 6.5 -6.5 0.65 -0.65 6.5 -6.5 0.65 -0.65 6.5 -6.5 mA Standby Supply Current for ISB+ ISB- All enables = 0.8V 0.65 -0.65 6.5 6.5 0.65 -0.65 6.5 -6.5 0.65 -0.65 6.5 -6.5 mA VREF Input Voltage Low VIL 2 Memory Leakage Current into off MUX Output Channels, CLPx, SP1OUT, SP2OUT, BYPASS, POSITIVE, NEGATIVE, +ID(OFF) 1, 2, 3 1. Current limit set to 10 µ A during test. 06.17.02 REV 5 All data sheets are subject to change without notice 7 ©2021 Maxwell Technologies All rights reserved. 81840 128 Channel Multiplexer 2. For VIH and VIL measurements, VREF will equal 4.5V and 5.5V. 3. Unless otherwise specified: - V- = -15.0V - V+ = 15.0V - VREF = 5.0V - VAH = 4.0V - VAL = 0.8V Memory 06.17.02 REV 5 All data sheets are subject to change without notice 8 ©2021 Maxwell Technologies All rights reserved. 81840 128 Channel Multiplexer FIGURE 1. 81840 ADDRESS DECODING SCHEME TELEMETRY CHANNEL AIN(1) AIN(2) AIN(3) AIN(4) AIN(5) AIN(6) AIN(7) AIN(8) AIN(9) AIN(121) AIN(122) AIN(123) AIN(124) AIN(125) AIN(126) AIN(127) AIN(128) 06.17.02 REV 5 Memory ADDRESS INPUTS LA (0,4) 0000000 0000001 0000010 0000011 0000100 0000101 0000110 0000111 0001000 " " " 1110111 1111001 1111010 1111011 1111100 1111101 1111110 1111111 All data sheets are subject to change without notice 9 ©2021 Maxwell Technologies All rights reserved. 81840 128 Channel Multiplexer Memory 256-PIN RAD-PAK® QUAD FLAT PACKAGE DIMENSIONS SYMBOL MIN NOM MAX A .302 .329 .356 b .005 .007 .009 c .005 .006 .007 D 1.438 1.450SQ 1.462 D1 1.260BSC e .020BSC L 3.010 3.040 3.070 L1 2.970 3.000 3.030 L2 2.178 2.200 2.222 A1 .253 .275 .297 N 256 F1 1.215 1.220 1.225 F4 1.215 1.220 1.225 Q256-01 All dimensions in inches 06.17.02 REV 5 All data sheets are subject to change without notice 10 ©2021 Maxwell Technologies All rights reserved. 81840 128 Channel Multiplexer Important Notice: These data sheets are created using the chip manufacturer’s published specifications. Maxwell Technologies verifies functionality by testing key parameters either by 100% testing, sample testing or characterization. The specifications presented within these data sheets represent the latest and most accurate information available to date. However, these specifications are subject to change without notice and Maxwell Technologies assumes no responsibility for the use of this information. Maxwell Technologies’ products are not authorized for use as critical components in life support devices or systems without express written approval from Maxwell Technologies. Any claim against Maxwell Technologies must be made within 90 days from the date of shipment from Maxwell Technologies. Maxwell Technologies’ liability shall be limited to replacement of defective parts. Memory 06.17.02 REV 5 All data sheets are subject to change without notice 11 ©2021 Maxwell Technologies All rights reserved. 81840 128 Channel Multiplexer Product Ordering Options Model Number 81840 RP Q X Option Details Feature Multi Chip Module (MCM) K = Maxwell Class K H = Maxwell Class H I = Industrial (testing @ -55°C, +25°C, +125°C) E = Engineering (testing @ +25°C) Package Q = Quad Flat Pack Radiation Feature RP = RAD-PAK® package Base Product Nomenclature 128 Channel Multiplexer 06.17.02 REV 5 All data sheets are subject to change without notice Memory Screening Flow 12 ©2021 Maxwell Technologies All rights reserved.