MT40A2G4PM-083E Datasheet, PDF (124/373 Pages) Micron Technology – Programmable data strobe preambles

Figure 68: V_REF Step: Single Step Size Increment Case
V
REF
Voltage
Step size
8Gb: x4, x8, x16 DDR4 SDRAM
V_REFDQ Calibration
V_{REF,val_tol}
V
REF
(V_DDQ(DC))
t1
Figure 69: V_REF Step: Single Step Size Decrement Case
V_REF
Voltage
Step size
Time
t1
V_{REF,val_tol}
V
REF
(V_DDQ(DC))
Time
09005aef861d1d4a
8gb_ddr4_dram.pdf - Rev. G 1/17 EN
124
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