70 ns access time — what it means for the bus
The 8403606JA: The 70 ns access time sets the window from address valid to data valid on the bus. The write cycle time is also 70 ns.
Military temperature range — where this SRAM lives
Rated for -55 to 125 °C, this SRAM is specified for avionics, missile guidance, satellite payloads, and downhole instrumentation — environments where commercial or even industrial temperature parts cannot survive. The ceramic 24-cerdip package (CERDIP) is hermetic, sealing the die against moisture and contaminants in high-reliability, long-life missions.
Lifecycle and sourcing reality
The manufacturer's lifecycle status is listed as Active, though a field flags 'eol_hot'. The part is sourced through our network; pricing and availability are confirmed at quote time.
Second-source and footprint compatibility
The closest peer in function is the 8413203YA, also 16Kbit, 70 ns, 4.5 V, but in a surface-mount package. The 8403606JA is through-hole 24-cerdip; the 8413203YA is surface-mount. They are not footprint-compatible — a board designed for the through-hole part cannot drop in the surface-mount version without a redesign. For a true through-hole drop-in, the 24501BVA is a 4Kbit part with 120 ns access time and a different memory organization (4K x 1) — not a functional replacement.
Supply voltage and interface
Operates at 4.5 V supply. The parallel interface is 8-bit wide (2K x 8 organization).