General Description
Aeroflex’s ACT8504 is a radiation hardened, multi-chip 64 channel multiplexer MCM (multi-chip module) with ESD protection for use in space applications. All channel inputs have electrostatic discharge protection.

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
■ 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.
■ All Channel Inputs protected by ±20V Transorbs
■ 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
■ Packaging – Hermetic Ceramic Quad Flat Pack
    • 96 Leads, 1.32"Sq x .20"Ht Quad Flat Pack
    • Typical Weight 15 grams
■ DESC SMD Pending