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K4H561638D-TC/LA2

Description
256Mb
File Size162KB,25 Pages
ManufacturerSAMSUNG
Websitehttp://www.samsung.com/Products/Semiconductor/
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K4H561638D-TC/LA2 Overview

256Mb

256Mb
Key Features
• Double-data-rate architecture; two data transfers per clock cycle
• Bidirectional data strobe(DQS)
• Four banks operation
• Differential clock inputs(CK and CK)
• DLL aligns DQ and DQS transition with CK transition
• MRS cycle with address key programs
-. Read latency 2, 2.5 (clock)
-. Burst length (2, 4, 8)
-. Burst type (sequential & interleave)
• All inputs except data & DM are sampled at the positive going edge of the system clock(CK)
• Data I/O transactions on both edges of data strobe
• Edge aligned data output, center aligned data input
• LDM,UDM/DM for write masking only
• Auto & Self refresh
• 7.8us refresh interval(8K/64ms refresh)
• Maximum burst refresh cycle : 8
• 66pin TSOP II package
DDR SDRAM
ORDERING INFORMATION
Part No.
K4H560438D-TC/LB3
K4H560438D-TC/LA2
K4H560438D-TC/LB0
K4H560438D-TC/LA0
K4H560838D-TC/LB3
K4H560838D-TC/LA2
K4H560838D-TC/LB0
K4H560838D-TC/LA0
K4H561638D-TC/LB3
K4H561638D-TC/LA2
K4H561638D-TC/LB0
K4H561638D-TC/LA0
16M x 16
32M x 8
64M x 4
Org.
Max Freq.
B3(DDR333@CL=2.5)
A2(DDR266@CL=2)
B0(DDR266@CL=2.5)
A0(DDR200@CL=2)
B3(DDR333@CL=2.5)
A2(DDR266@CL=2)
B0(DDR266@CL=2.5)
A0(DDR200@CL=2)
B3(DDR333@CL=2.5)
A2(DDR266@CL=2)
B0(DDR266@CL=2.5)
A0(DDR200@CL=2)
SSTL2
66pin TSOP II
SSTL2
66pin TSOP II
SSTL2
66pin TSOP II
Interface
Package
Operating Frequencies
- B3(DDR333)
Speed @CL2
Speed @CL2.5
133MHz
166MHz
- A2(DDR266A)
133MHz
133MHz
- B0(DDR266B)
100MHz
133MHz
- A0(DDR200)
100MHz
-
*CL : Cas Latency
- 1 -
Rev. 0.4 May. 2002

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