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  Samsung Electronic Components Datasheet  

K4H641638N Datasheet

64Mb N-die DDR SDRAM

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K4H641638N
DDR SDRAM
64Mb N-die DDR SDRAM Specification
66 TSOP-II & 60 FBGA
with Lead-Free and Halogen-Free
(RoHS compliant)
INFORMATION IN THIS DOCUMENT IS PROVIDED IN RELATION TO SAMSUNG PRODUCTS,
AND IS SUBJECT TO CHANGE WITHOUT NOTICE. NOTHING IN THIS DOCUMENT SHALL BE
CONSTRUED AS GRANTING ANY LICENSE, EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHER-
WISE, TO ANY INTELLECTUAL PROPERTY RIGHTS IN SAMSUNG PRODUCTS OR TECHNOL-
OGY. ALL INFORMATION IN THIS DOCUMENT IS PROVIDED ON AS "AS IS" BASIS WITHOUT
GUARANTEE OR WARRANTY OF ANY KIND.
1. For updates or additional information about Samsung products, contact your nearest Samsung office.
2. Samsung products are not intended for use in life support, critical care, medical, safety equipment, or similar
applications where Product failure could result in loss of life or personal or physical harm, or any military or
defense application, or any governmental procurement to which special terms or provisions may apply.
* Samsung Electronics reserves the right to change products or specification without notice.
1 of 30
Rev. 1.4 August 2009


  Samsung Electronic Components Datasheet  

K4H641638N Datasheet

64Mb N-die DDR SDRAM

No Preview Available !

K4H641638N
DDR SDRAM
Table of Contents
1.0 Key Features ...............................................................................................................................4
2.0 Ordering Information ..................................................................................................................4
3.0 Operating Frequencies ...............................................................................................................4
4.0 Pin Description ........................................................................................................................... 5
5.0 Package Physical Dimension ....................................................................................................7
6.0 Block Diagram (1Mb x 16 I/O x4 Banks) ....................................................................................9
7.0 Input/Output Function Description ......................................................................................... 10
8.0 Command Truth Table .............................................................................................................. 11
9.0 General Description ..................................................................................................................12
10.0 Absolute Maximum Rating .....................................................................................................12
11.0 DC Operating Conditions .......................................................................................................13
12.0 DDR SDRAM Spec Items & Test Conditions ........................................................................14
13.0 Input/Output Capacitance ......................................................................................................14
14.0 Detailed test condition for DDR SDRAM IDD1 & IDD7A ......................................................15
15.0 DDR SDRAM IDD spec table ..................................................................................................16
16.0 AC Operating Conditions .......................................................................................................17
17.0 AC Overshoot/Undershoot specification for Address and Control Pins ...........................17
18.0 Overshoot/Undershoot specification for Data, Strobe and Mask Pins ..............................18
19.0 AC Timming Parameters & Specifications ...........................................................................19
20.0 System Characteristics for DDR SDRAM .............................................................................20
21.0 Component Notes ...................................................................................................................21
22.0 System Notes ..........................................................................................................................23
23.0 Output Drive Strength and Extended Mode Register Set for 64Mb DDR ............................24
24.0 IBIS : I/V Characteristics for Input and Output Buffers .......................................................25
2 of 30
Rev. 1.4 August 2009


Part Number K4H641638N
Description 64Mb N-die DDR SDRAM
Maker Samsung
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