Internet Data Sheet
HYB18T512161B2F–20/25
512-Mbit Double-Data-Rate-Two SDRAM
Contents
1
1.1
1.2
Overview 3
Features 3
Description 4
2
Configuration 5
2.1
2.2
Chip Configuration 5
512 Mbit DDR2 Addressing 9
3
4
Functional Description 10
Truth Tables 15
5
5.1
5.2
Electrical Characteristics 17
Absolute Maximum Ratings 17
DC Characteristics 18
5.3
5.4
5.5
5.6
DC & AC Characteristics 19
Output Buffer Characteristics 21
Input / Output Capacitance 22
Overshoot and Undershoot Specification 23
AC Characteristics 25
5.7
5.7.1
5.7.2
5.7.3
Speed Grade Definitions 25
AC Timing Parameters 26
ODT AC Electrical Characteristics 28
6
Specifications and Conditions 29
7
Package 32
7.1
7.2
Package Dimension 32
Package Thermal Characteristics 33
Contents 34
List of Tables 35
List of Figures 36
Rev. 1.1, 2007-06
34
05152007-ZYAH-ACMZ
Date: 2008-02-26
QIMONDA [ QIMONDA AG ]
