Specifications

44 Intel
®
Atom™ processor CE4100 Ref# 420826
Platform Design Guide
Intel Confidential
5.4 Package Length Compensation
Package length compensation is required for DDR3 based platform DDR section length
match. Package length information is shown in Table 5-4.
Table 5-
4. Memory Interface Package Lengths
Channel A Channel B
Signal Name
Package Length
(mils)
Signal Name
Package Length
(mils)
DDRA_WEB 377.99 DDRB_WEB 456.84
DDRA_RASB 491.67 DDRB_RASB 464.11
DDRA_ODT 512.07 DDRB_ODT 521.56
DDRA_MA[9] 513.96 DDRB_MA[9] 439.88
DDRA_MA[8] 405.03 DDRB_MA[8] 490.70
DDRA_MA[7] 559.46 DDRB_MA[7] 528.70
DDRA_MA[6] 546.44 DDRB_MA[6] 477.79
DDRA_MA[5] 557.71 DDRB_MA[5] 588.21
DDRA_MA[4] 456.50 DDRB_MA[4] 609.97
DDRA_MA[3] 520.35 DDRB_MA[3] 494.94
DDRA_MA[2] 474.61 DDRB_MA[2] 452.64
DDRA_MA[14] 426.44 DDRB_MA[14] 433.91
DDRA_MA[13] 549.26 DDRB_MA[13] 442.87
DDRA_MA[12] 419.53 DDRB_MA[12] 375.34
DDRA_MA[11] 442.58 DDRB_MA[11] 431.10
DDRA_MA[10] 424.23 DDRB_MA[10] 505.28
DDRA_MA[1] 461.66 DDRB_MA[1] 673.96
DDRA_MA[0] 413.47 DDRB_MA[0] 506.73
DDRA_DQSB[3] 488.15 DDRB_DQSB[3] 520.23
DDRA_DQSB[2] 274.26 DDRB_DQSB[2] 463.50
DDRA_DQSB[1] 639.19 DDRB_DQSB[1] 571.44
DDRA_DQSB[0] 403.33 DDRB_DQSB[0] 282.14
DDRA_DQS[3] 486.57 DDRB_DQS[3] 520.84
DDRA_DQS[2] 274.79 DDRB_DQS[2] 463.63
DDRA_DQS[1] 639.37 DDRB_DQS[1] 572.08
DDRA_DQS[0] 401.52 DDRB_DQS[0] 284.07
DDRA_DQ[9] 541.18 DDRB_DQ[9] 527.18
DDRA_DQ[8] 650.84 DDRB_DQ[8] 491.91
DDRA_DQ[7] 352.28 DDRB_DQ[7] 436.97
DDRA_DQ[6] 459.56 DDRB_DQ[6] 305.25
DDRA_DQ[5] 398.60 DDRB_DQ[5] 474.42
DDRA_DQ[4] 363.02 DDRB_DQ[4] 356.30
DDRA_DQ[31] 399.16 DDRB_DQ[31] 565.00
DDRA_DQ[30] 405.30 DDRB_DQ[30] 449.85