Datasheet > EBE11ED8AJWA

EBE11ED8AJWA

更新时间： 2022-12-21 23:24:24

品牌	Logo	应用领域
尔必达 - ELPIDA		动态存储器双倍数据速率
页数	文件大小	规格书
29页	242K
描述
1GB Unbuffered DDR2 SDRAM DIMM

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EBE11ED8AJWA 数据手册

EBE11ED8AJWA

Electrical Specifications

• All voltages are referenced to VSS (GND).

Absolute Maximum Ratings

Parameter

Symbol

Value

Unit

Notes

Voltage on any pin relative to VSS

Supply voltage relative to VSS

Short circuit output current

Power dissipation

–0.5 to +2.3

VDD

IOS

°C

Operating case temperature

Storage temperature

0 to +95

–55 to +100

1, 2

Tstg

Notes: 1. DDR2 SDRAM component specification.

2. Supporting 0°C to +85°C and being able to extend to +95°C with doubling auto-refresh commands in

frequency to a 32ms period (tREFI = 3.9µs) and higher temperature self-refresh entry via the control of

EMRS (2) bit A7 is required.

Caution Exposing the device to stress above those listed in Absolute Maximum Ratings could cause

permanent damage. The device is not meant to be operated under conditions outside the limits

described in the operational section of this specification Exposure to Absolute Maximum Rating

conditions for extended periods may affect device reliability.

DC Operating Conditions (TC = 0°C to +85°C) (DDR2 SDRAM Component Specification)

Parameter

Symbol

VDD, VDDQ

VSS

min.

typ.

1.8

max.

1.9

Unit

Notes

Supply voltage

1.7

VDDSPD

VREF

1.7

—

3.6

Input reference voltage

Termination voltage

DC input logic high

DC input low

0.49 × VDDQ

VREF − 0.04

VREF + 0.125

−0.3

0.50 × VDDQ 0.51 × VDDQ

1, 2

VTT

VREF

VREF + 0.04

VDDQ + 0.3

VREF – 0.125

VIH (DC)

VIL (DC)

VIH (AC)

VIL (AC)

AC input logic high

AC input low

VREF + 0.200

VREF − 0.200

Notes: 1. The value of VREF may be selected by the user to provide optimum noise margin in the system. Typically

the value of VREF is expected to be about 0.5 × VDDQ of the transmitting device and VREF are expected

to track variations in VDDQ.

2. Peak to peak AC noise on VREF may not exceed ±2% VREF (DC).

3. VTT of transmitting device must track VREF of receiving device.

4. VDDQ must be equal to VDD.

Data Sheet E1054E30 (Ver. 3.0)

1...7 8 91011 12 13...29

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