HMT164S6BFR6C-G7 Datasheet, PDF (42/51 Pages) Hynix Semiconductor – 204pin DDR3 SDRAM SODIMMs

HMT164S6BFR6C
HMT112S6BFR6C
HMT125S6BFR8C
6. Electrical Characteristics and AC Timing
6.1 Refresh Parameters by Device Density
Parameter
REF command to
ACT or REF
command time
Average periodic
refresh interval
tREFI
Symbol
tRFC
512Mb 1Gb 2Gb 4Gb 8Gb Units
90
110 160 300 350
ns
0 ×C < T_CASE < 85 ×C
85 ×C < T_CASE < 95 ×C
7.8
7.8 7.8 7.8 7.8
us
3.9
3.9 3.9 3.9 3.9
us
Rev. 0.5 / Sep. 2009
42