Part Number : HA17555PS
Function :Precision Timer for accurate time delays or oscillations
Manufacturer : Hitachi -> Renesas Electronics
Pinout : 
Description
HA17555 Series are ICs designed for accurate time delays or oscillations. It provides both of trigger terminal and reset terminal in order to enable a wide scope of application including Mono Multi Vibrator and Astable Multi Vibrator, and the number of external components is fewer. Further, it’s compatible with NE555 of singnetics.
Datasheet PDF Download
Other datasheets in the file : HA17555, HA17555F, HA17555FP, HA17555PS