Radiation Hardened & ESD Protected 48-Channel Analog Multiplexer Module
Features
Full Military Temperature Range Low Power Consumption 90mW 48 Channels Provided by three (3) HS-1840RH Multiplexers One Address Bus - A3) and Three Enable Lines All Channel Inputs protected by ±20V Transorbs LA LE Fast Access Time F ±35V Input Over Voltage Protection (Power On or Off) Break-Before-Make Switching 9001 High Analog Input Impedance (Power On or Off) C E Dielectrically Isolated Device Islands RT IFIE D No Latch-Up Packaging Hermetic Ceramic Quad Flat Pack
· 96 Leads, 1.32"Sq x.20"Ht Quad Flat Pack· Typical Weight 15 grams
Aeroflex's is a radiation hardened, multi-chip 48 channel multiplexer MCM (multi-chip module) with ESD protection for use in space applications. All channel inputs have electrostatic discharge protection. The ACT8503 has been specifically designed to meet exposure to radiation environments. The multiplexer is available a 96 lead High Temperature Co-Fired Ceramic (HTCC) Quad Flatpack (QFP) and is guaranteed operational from to +125°C. Available screened in accordance with MIL-PRF-38534, the ACT8503 is ideal for demanding military and space applications.
eroflex Circuit Technology Multiplexer Modules For The Future © SCD8503 REV A 10/26/01
The ACT8503 consists of three 16 channel muxes arranged as shown in the Block Diagram. The Address Bus and three Enable lines providing for 48 channels addressable by Bus A0~A3, in three 16 channel blocks, each block enabled separately. Each block connects the addressed channel to one output. The ACT8503 design is inherently Radiation Hard due to the HS1840RH Multiplexers as well as Microsemi Corp. Transient Suppressors (Reference Microsemi MicroNotes Series 050 page 14).
NOTE: It is recommended that all "NC or "no connect pin", be grounded. This eliminates or minimizes any ESD or static buildup.
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