Memory devices
Volatile memory devices
The volatile memory devices for the TBS1000B and TBS1000B-EDU products
are listed in the
Volatile memory devices (TBS1000B & TBS1000B-EDU)
on
page 3 section.
SDRAM 512 K
Type and size
512 K X 32
Function
Acquisition memory for holding and processing waveforms, and processor system RAM
Type of user information
stored
Both user data and user settings
Backed up by battery?
No
Method of modification
Indirect
Data input method
Firmware operations, user input
Location
Main Acquisition board
User accessible
No
To clear
Remove power from the instrument for at least 20 seconds.
Process to sanitize
Remove power from the instrument for at least 20 seconds.
SRAM 128 K
Type and size
SRAM, 128 K X 8
Function
Shared memory between the acquisition system and the USB processor
Type of user information
stored
Both user data and user settings
Backed up by battery?
No
Method of modification
Indirect
Data input method
Firmware operations
Location
Main Acquisition board. TBS and TDS models only.
User accessible
No
To clear
Remove power from the instrument for at least 20 seconds.
Process to sanitize
Remove power from the instrument for at least 20 seconds.
Real-time clock
Type and size
Real-time clock, which contains battery backed-up memory
Function
Holds date/time data
Type of user information
stored
None
Backed up by battery?
Yes
Method of modification
Indirect
Declassification and Security Instructions
1