PDF ACT8510 Data sheet ( Hoja de datos )

Número de pieza	ACT8510
Descripción	64-Channel Analog Multiplexer Module
Fabricantes	Aeroflex Circuit Technology
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No Preview Available ! Standard Products ACT8510 64-Channel Analog Multiplexer Module Radiation Tolerant & ESD Protected www.aeroflex.com/mux November 14, 2008 FEATURES ❑ 64-Channels provided by six 16-channel multiplexers ❑ Radiation performance - Total dose: - SEU: 150 krads(Si), Dose rate = 50 - 300 rads(Si)/s Immune up to 90 MeV-cm2/mg - SEL: Immune by process design ❑ Full military temperature range ❑ Low power consumption < 90mW ❑ Two address busses (A0-3 & B0-3) and four enable lines afford flexible organization. ❑ All channel inputs are protected by ±20V nominal Transorbs. ❑ Fast access time < 500ns typical ❑ Break-Before-Make switching ❑ High analog input impedance (power on or off) ❑ Designed for aerospace and high reliability space applications ❑ Packaging – Hermetic ceramic - 96 leads, 1.32"Sq x 0.20"Ht quad flat pack - Typical Weight 15 grams ❑ DSCC SMD 5962-09202 pending Note: Aeroflex Plainview does not currently have a DSCC certified Radiation Hardened Assurance Program. GENERAL DESCRIPTION Aeroflex’s ACT8510 is a radiation tolerant, 64 channel multiplexer MCM (multi-chip module) with electrostatic discharge (ESD) protection on all channel inputs. The ACT8510 has been specifically designed to meet exposure to radiation environments. It is available in a 96 lead High Temperature Co-Fired Ceramic (HTCC) Quad Flatpack (CQFP). It is guaranteed operational from -55°C to +125°C. Available screened in accordance with MIL-PRF-38534, the ACT8510 is ideal for demanding military and space applications. ORGANIZATION AND APPLICATION The ACT8510 consists of six 16 channel multiplexers arranged as shown in the Block Diagram. The ACT8510 design is inherently radiation tolerant. A SECTION Thirty-two (32) channels addressable by bus A0~A3, in two 16 channel blocks, each block enabled separately. Each block connects the addressed channel to two outputs, "Output" and "Current". This technique enables selecting and reading a remote resistive sensor without the multiplexer resistance being part of the measurement. For grounded sensors, this is done by passing current to the sensor by means of the "Current" pin and reading the resultant voltage (proportional to the sensor resistance) at the "Output" pin. B SECTION Thirty-two (32) channels addressable by bus B0~B3, in two 16 channel blocks, each block enabled separately. Each block connects the addressed channel to one output. By paralleling the channel inputs and enables, this section can be converted to act like one of the 16 channel blocks of the A section. SCD8510 Rev D 1 page TRUTH TABLE (CH0 – CH15) B3 B2 B1 B0 EN(0-15) XXXX LLLL H L L L LH L L LHL L L LHH L LHL L L LHLH L HH L L HHH HL L L HL LH HLHL L L L L L L H L HH L HHL L L HH L H L HHH L L HHHH L 1/ Between CH0-15 and OUTPUT (0-15) "ON" CHANNEL 1/ NONE CH0 CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8 CH9 CH10 CH11 CH12 CH13 CH14 CH15 TRUTH TABLE (CH16 – CH31) B3 B2 B1 B0 EN(16-31) "ON" CHANNEL 1/ XXXX LLLL H L NONE CH16 L L LH L CH17 L LHL L CH18 L LHH L CH19 LHL L L CH20 LHLH L HH L L HHH HL L L HL LH HLHL L L L L L L CH21 CH22 CH23 CH24 CH25 CH26 H L HH L CH27 HHL L L CH28 HH L H L CH29 HHH L L CH30 HHHH L CH31 1/ Between CH16-31 and OUTPUT (16-31) TRUTH TABLE (CH32 – CH47) A3 A2 A1 A0 EN(32-47) "ON" CHANNEL 1/ XXXX LLLL L L LH L LHL L LHH LHL L LHLH L HH L L HHH HL L L HL LH HLHL H L HH HHL L HH L H HHH L HHHH H L L L L L L L L L L L L L L L L NONE CH32 CH33 CH34 CH35 CH36 CH37 CH38 CH39 CH40 CH41 CH42 CH43 CH44 CH45 CH46 CH47 1/ Between CH32-47 and OUTPUT (32-47) and CURRENT (32-47) TRUTH TABLE (CH48 – CH63) A3 A2 A1 A0 EN(48-63) "ON" CHANNEL 1/ XXXX LLLL L L LH L LHL L LHH LHL L LHLH L HH L L HHH HL L L HL LH HLHL H L HH HHL L HH L H HHH L HHHH H L L L L L L L L L L L L L L L L NONE CH48 CH49 CH50 CH51 CH52 CH53 CH54 CH55 CH56 CH57 CH58 CH59 CH60 CH61 CH62 CH63 1/ Between CH48-63 and OUTPUT (48-63) and CURRENT (48-63) SCD8510 Rev D 11/14/08 5 Aeroflex Plainview 5 Page

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