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HY5PS1G421L

Hynix Semiconductor
Part Number HY5PS1G421L
Manufacturer Hynix Semiconductor
Description (HY5PS1G421 / HY5PS1G821) 1Gb DDR2 SDRAM
Published Mar 3, 2007
Detailed Description www.DataSheet4U.com HY5PS1G421(L)M HY5PS1G821(L)M 1Gb DDR2 SDRAM(DDP) HY5PS1G421(L)M HY5PS1G821(L)M This document is ...
Datasheet PDF File HY5PS1G421L PDF File

HY5PS1G421L
HY5PS1G421L


Overview
www.
DataSheet4U.
com HY5PS1G421(L)M HY5PS1G821(L)M 1Gb DDR2 SDRAM(DDP) HY5PS1G421(L)M HY5PS1G821(L)M This document is a general product description and is subject to change without notice.
Hynix Electronics does not assume any responsibility for use of circuits described.
No patent licenses are implied.
Rev 0.
1 / Mar.
2004 1 www.
DataSheet4U.
com HY5PS1G421(L)M HY5PS1G821(L)M Revision Details Revision No.
0.
1 Initial Release History Draft Date Mar.
2003 Remark Preliminary Rev 0.
1 / Mar.
2004 2 www.
DataSheet4U.
com HY5PS12421(L)F HY5PS12821(L)F HY5PS121621(L)F Contents 1.
Description 1.
1 Device Features and Ordering Information 1.
1.
1 Key Feaures 1.
1.
2 Ordering Information 1.
1.
3 Ordering Frequency 1.
2 Pin configuration 1.
2.
1 256M × 4 DDR2 DDP Pin Configuration 1.
2.
2 128M × 8 DDR2 DDP Pin Configuration 1.
3 Pin Description 2.
Functioanal Description 2.
1 Simplified State Diagram 2.
2 Functional Block Diagram 2.
2.
1 Functional Block Diagram(256M × 4) 2.
2.
2 Functional Block Diagram(128M × 8) 2.
3 Basic Function & Operation of DDR2 SDRAM 2.
3.
1 Power up and Initialization 2.
3.
2 Programming the Mode and Extended Mode Registers 2.
3.
2.
1 DDR2 SDRAM Mode Register Set(MRS) 2.
3.
2.
2 DDR2 SDRAM Extended Mode Register Set 2.
3.
2.
3 Off-Chip Driver(OCD) Impedance Adjustment 2.
3.
2.
4 ODT(On Die Termination) 2.
4 Bank Activate Command 2.
5 Read and Write Command 2.
5.
1 Posted CAS 2.
5.
2 Burst Mode Operation 2.
5.
3 Burst Read Command 2.
5.
4 Burst Write Operation 2.
5.
5 Write Data Mask 2.
6 Precharge Operation 2.
7 Auto Precharge Operation 2.
8 Refresh Commands 2.
8.
1 Auto Refresh Command 2.
8.
2 Self Refresh Command 2.
9 Power Down 2.
10 Asynchronous CKE Low Event 2.
11 No Operation Command 2.
12 Deselect Command 3.
Truth Tables 3.
1 Command Truth Table 3.
2 Clock Enable(CKE) Truth Table for Synchronous Transistors 3.
3 Data Mask Truth Table 4.
Operating Conditions 4.
1 Absolute Maximum DC Ratings 4.
2 Operating Temperature Condition 5.
AC & DC Operating Conditions 5.
1 DC Operation Conditions Rev 0.
2 / Dec.
...


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