General Description

Aeroflex’s ACT8505 is a radiation hardened, multi-chip 64 channel multiplexer MCM (multi-chip module) for use in space applications.

The ACT8505 has been specifically designed to meet exposure to radiation environments. The multiplexer is available in a 96 lead High Temperature Co-Fired Ceramic (HTCC) Quad Flatpack (QFP) and is guaranteed operational from -55°C to +125°C. Available screened in accordance with MIL-PRF-38534, the ACT8505 is ideal for demanding military and space applications.

Features

■ Radiation Environment

? Radiation 300K(Si) Total Dose

? No Latch-Up or SEE to 120MeV/cm2/mg

■ Full Military Temperature Range

■ Low Power Consumption < 75mW, typical 50mW

■ 64 Channels Provided by Four (4) HS-1840RH Multiplexers

■ Address Bus (A0-3), and Four Enable lines afford flexible organization

■ Output Monitoring of HS-1840RH outputs to a Fifth HS1840RH. Controlled with C0, C1 Address Lines.

■ Fast Access Time 1500ns

■ ±35V Input Over Voltage Protection (Power On or Off)

■ Break-Before-Make Switching

■ High Analog Input Impedance (Power On or Off)

■ Dielectrically Isolated Device Islands

■ No Latch-Up

■ Same Form / Fit / Function as ACT8504 but no input Transorbs

■ Packaging – Hermetic Ceramic Quad Flat Pack

? 96 Leads, 1.32Sq x .20Ht Quad Flat Pack

? Typical Weight 15 grams

■ DESC SMD Pending