NASA Parts Selection List (NPSL)

Radiation Test:	GSFC SEU Radiation Data Bank JPL’s Radiation Data Bank
Manufacturer:	Active Supplier Assessment Program (ASAP) Core Suppliers List
Part Procurement:	Part Number/Procurement details
Application Notes:	Applicable details
Last Update:	March 1998

Linear Timers

Generic or Manufacturer Part #	Description	Procurement Specification	Manufacturer	Device Class or Flow	Rad-Hard Level rads (Si) TD	Notes
555	Timer, Single, Precision	M38510/10901#*X	NSC,TI	S, B	-	-
556	Timer, Dual, Precision	M38510/10902#*X	TI	B	-	-

NEPP Program Manager:	Chuck Barnes, Jet Propulsion Laboratory
Responsible NASA Official:	Michael Sampson, NEPAG Manager
Website Comments:	Web Development Team
Last Modified:	August 8, 2001