Dynamic Random-Access Memory
GPTKB entity
Statements (30)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
type of random-access memory
|
| gptkbp:abbreviation |
gptkb:SDRAM
|
| gptkbp:access_time |
typically 10-100 nanoseconds
|
| gptkbp:advantage |
high density
|
| gptkbp:cellStructure |
one transistor and one capacitor
|
| gptkbp:contrastsWith |
Static Random-Access Memory
|
| https://www.w3.org/2000/01/rdf-schema#label |
Dynamic Random-Access Memory
|
| gptkbp:inventedBy |
gptkb:Robert_H._Dennard
1968 |
| gptkbp:main_disadvantage |
slower than SRAM
needs constant power to retain data |
| gptkbp:packaging |
gptkb:DIMM
gptkb:SO-DIMM |
| gptkbp:refresh_interval |
typically every few milliseconds
|
| gptkbp:requires |
periodic refreshing
|
| gptkbp:stores_data_as |
charge in capacitors
|
| gptkbp:type |
gptkb:SDRAM
gptkb:DDR3_SDRAM gptkb:DDR5_SDRAM DDR2 SDRAM |
| gptkbp:used_in |
personal computers
mobile devices servers workstations graphics cards video memory (VRAM) |
| gptkbp:usedFor |
main memory in computers
|
| gptkbp:volatile_memory |
true
|
| gptkbp:bfsParent |
gptkb:SDRAM
|
| gptkbp:bfsLayer |
5
|