PD438B is a high speed and sensitive PIN photodiode in a cylindrical side view plastic package. The epoxy package itself is an IR filter , spectrallymatched to IR emitter.
`The PD43256B is a high speed, low power, and 262,144 bits (32,768 words by 8 bits) CMOS static RAM.`Battery backup is available. And A and B versions are wide voltage operations.`The PD43256B is packed in 28-pin plastic DIP, 28-pin plastic SOP and 28-pin pl...