Datasheet > HMABAGR7A2R4N-XSTG

HMABAGR7A2R4N-XSTG

更新时间： 2023-12-06 20:01:26

品牌	Logo	应用领域
海力士 - HYNIX		/
页数	文件大小	规格书
65页	1418K
描述
RDIMM

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HMABAGR7A2R4N-XSTG 数据手册

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Pin Descriptions

Pin Name

Description

Pin Name

Description

I²C serial bus clock for SPD-TSE and

A0-A17¹

BA0, BA1

BG0, BG1

SCL

I²C serial data line for SPD-TSE and

Regisiter bank select input

SDA

I²C slave address select for SPD-TSE

and register

Regisiter bank group select input

SA0-SA2

RAS_n²

CAS_n³

WE_n⁴

PAR

VDD

SDRAM core power supply

Chip ID lines for SDRAMx

C0, C1, C2

CS0_n, CS1_n,

CS2_n, CS3_n

Optional Power Supply on socket but

not used on RDIMM

DIMM Rank Select Lines input

12V

VREFCA

VSS

SDRAM command/address reference

supply

CKE0, CEK1

ODT0, ODT1

lines input

Power supply return (ground)

ACT_n

DQ0-DQ63

CB0-CB7

DIMM memory data bus

DIMM ECC check bits

VDDSPD

ALERT_n

VPP

Serial SPD/TS positive power supply

SDRAM Supply

TDQS9_t-TDQS17_t Dummy loads for mixed populations of

TDQS9_c-TDQS17_c x4 based and x8 based RDIMMs.

Data Buffer data strobes

DQS0_t-DQS17_t

DM0_n-DM8_n Data Mask

(positive line of differential pair)

Data Buffer data strobes

DQS0_c-DQS17_c

Set Register and SDRAMs to a Known

State

RESET_n

EVENT_n

VTT

(negative line of differential pair)

SPD signals a thermal event has

occurred

DBI0_n-DBI8_n Data Bus Inversion

CK0_t, CK1_t

ferential pair)

SDRAM I/O termination supply

Reserved for future use

differential pair)

CK0_c, CK1_c

RFU

1. Address A17 is only valid for 16Gbx4 based SDRAMs.

2. RAS_n is a multiplexed function with A16.

3. CAS_n is a multiplexed function with A15.

4. WE_n is a multiplexed function with A14.

Rev. 1.0 / Feb.2020

1 2 3 456 7 8...65

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