Datasheet > MTC20F2085S1RC48B

MTC20F2085S1RC48B

更新时间： 2024-03-03 10:10:06

品牌	Logo	应用领域
镁光 - MICRON		双倍数据速率
页数	文件大小	规格书
26页	1419K
描述
Data Sheet for DDR5 RDIMM Core

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288-Pin DDR5 RDIMM Core

Product Description

DDR5 SDRAM RDIMM Core

Product Description

Features

• DDR5 functionality and operations supported as de-

fined in the component data sheet

• 287/288-pin RDIMM

• Supports ECC error detection and correction

• On-DIMM SPD EEPROM with Hub function and inte-

grated temperature sensor (TS)

• Two on-DIMM discrete TS5 temperature sensors

• On-DIMM power management integrated circuit

(PMIC)

• Sideband access with I3C-basic/I2C support

• Two independent I/O sub channels for increased

bandwidth

This specification defines the electrical and mechanical

requirements for 287-pin and 288-pin, 1.1V (V_DD

)

double data rate, synchronous DRAM, registered dual

in-line memory modules (DDR5 SDRAM RDIMMs).

These DDR5 RDIMMs are intended for use as main

memory when installed in servers. Some specifications

are part number-specific; refer to the module data sheet

addendum of the specific Micron part number (MPN)

for the complete specification.

• DDR command/address bus to RCD

• Gold edge contacts

• Halogen-free

• Fly-by topology

• Terminated clock, control and command/address

bus

Figure 1: DDR5 LRDIMM/RDIMM Functional Block Diagram

TS0

TS1

Channel A

Channel B

Rank 0 (Front Side)

CK_AA

CS_0AB

CK_BA

CS_0BB

CA_0A[13:0]BB

CA_0A[13:0]AB

CS_1BB

CK_BB

CS_1AB

CK_AB

DLBD_A

DLBS_A

DLBD_B

DLBS_B

RESET_A

ERROR_A

RESET_B

ERROR_B

RCD

Rank 1 (Back Side)

CK_AC

CK_BC

CS_1AA

CS_1BA

PMIC

CA_0A[13:0]AA

CA_0A[13:0]BA

CS_0AA

CK_AD

CS_0BA

CK_BD

SPD

(HUB)

BCK_A

BCK_B

BCOM_A

BCOM_B

LRDIMM only

2 Chip selects

7 CA (DDR)

1 Parity

2 Chip selects

7 CA (DDR)

1 Parity

DQ[31:0]_A, CB[7:0]_A, DQS[7:0]_A

DQ[31:0]_B, CB[7:0]_B, DQS[7:0]_B

I3C

ALERT

CLOCK, RESET

Note: 1. The above illustrates a dual-rank x80 LRDIMM/RDIMM with DRAM, PMIC, RCD, SPD, temp sensors and data buffers.

CCM005-802248454-6

ddr5_rdimm_core.pdf - Rev. G 05/2023 EN

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

Products and specifications discussed herein are subject to change by Micron without notice.

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