k4h281638l Samsung Semiconductor, Inc., k4h281638l Datasheet - Page 2

• Manufacturer Part Number: k4h281638l
• Description: 128mb L-die Ddr Sdram
• Manufacturer: Samsung Semiconductor, Inc.

Table of Contents
1.0 Key Features ...............................................................................................................................4
2.0 Ordering Information ..................................................................................................................4
3.0 Operating Frequencies ...............................................................................................................4
4.0 Pin / Ball Description ..................................................................................................................5
5.0 Package Physical Dimension ....................................................................................................6
6.0 Block Diagram (2Mb x 16 I/O x4 Banks) ....................................................................................7
7.0 FUNCTIONAL DESCRIPTION ......................................................................................................8
8.0 Input/Output Function Description .........................................................................................12
9.0 Command Truth Table ..............................................................................................................13
10.0 General Description ................................................................................................................14
11.0 Absolute Maximum Rating .....................................................................................................14
12.0 DC Operating Conditions .......................................................................................................14
13.0 DDR SDRAM Spec Items & Test Conditions ........................................................................15
14.0 Input/Output Capacitance ......................................................................................................15
15.0 Detailed test condition for DDR SDRAM IDD1 & IDD7A ......................................................16
16.0 DDR SDRAM IDD spec table ..................................................................................................17
17.0 AC Operating Conditions .......................................................................................................18
18.0 AC Overshoot/Undershoot specification for Address and Control Pins ...........................18
19.0 Overshoot/Undershoot specification for Data, Strobe and Mask Pins ..............................19
20.0 AC Timming Parameters & Specifications ...........................................................................20
21.0 System Characteristics for DDR SDRAM .............................................................................21
22.0 Component Notes ...................................................................................................................22
23.0 System Notes ..........................................................................................................................24
24.0 IBIS : I/V Characteristics for Input and Output Buffers .......................................................25
K4H281638L
7.1 Power-up & Initialization Sequence
7.2 Mode Register Definition
7.3 Extended Mode Register Set(EMRS)
..............................................................................................................9
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Rev. 1.1 October 2008
DDR SDRAM