EDBA164B4PR-1DATF-R datasheet(147/152 Pages) MICRON

147 / 152 page

Table 100: Derating Values for AC/DC-Based tDS/tDH (AC300)

ΔtDS, ΔtDH derating in ps

AC300 Threshold -> VIH(ac)=VREF(dc)+300mV, VIL(ac)=VREF(dc)-300mV

DC200 Threshold -> VIH(dc)=VREF(dc)+200mV, VIL(dc)=VREF(dc)-200mV

DQS_t, DQS_c Differential Slew Rate

4.0 V/ns

3.0 V/ns

2.0 V/ns

1.8 V/ns

1.6 V/ns

1.4 V/ns

1.2 V/ns

1.0 V/ns

ΔtDS ΔtDH ΔtDS ΔtDH ΔtDS ΔtDH ΔtDS ΔtDH ΔtDS ΔtDH ΔtDS ΔtDH ΔtDS ΔtDH ΔtDS ΔtDH

DQ, DM

slew

rate V/ns

2.0

150

100

150

100

150

100

1.5

100

116

1.0

0.9

-4

-8

-4

-8

0.8

-12

-20

-4

0.7

-3

-18

-2

0.6

-21

-5

0.5

-12

-32

-12

0.4

-35

-40

-11

-8

Note:

1. Shaded cells are not supported.

Table 101: Required Time for Valid Transition – tVAC > VIH(AC) or < VIL(AC)

Slew Rate (V/ns)

tVAC at 300mV (ps)

tVAC at 220mV (ps)

Min

Max

Min

Max

>2.0

–

175

–

2.0

–

170

–

1.5

–

167

–

1.0

–

163

–

0.9

–

162

–

0.8

–

161

–

0.7

–

159

–

0.6

–

155

–

0.5

–

150

–

<0.5

–

150

–

216-Ball and 220-Ball, Dual-Channel LPDDR2 SDRAM

Data Setup, Hold, and Slew Rate Derating

09005aef85eb530a

216b_220b_2ch_2e0e_embedded_lpddr2.pdf – Rev. F 08 /16 EN

147

Micron Technology, Inc. reserves the right to change products or specifications without notice.

EDBA164B4PR-1DATF-R 数据表(PDF) 147 Page - Micron Technology

EDBA164B4PR-1DATF-R 数据表(HTML) 147 Page - Micron Technology

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

数据表下载