K4H561638J
DDR SDRAM
256Mb J-die DDR SDRAM Specification
66 TSOP-II & 60 FBGA
with Lead-Free and Halogen-Free
(RoHS compliant)
Industrial Temp. -40 to 85°C
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 OTHERWISE,
TO ANY INTELLECTUAL PROPERTY RIGHTS IN SAMSUNG PRODUCTS OR TECHNOLOGY. 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 24
Rev. 1.11 March 2008
K4H561638J
Table of Contents
DDR SDRAM
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 ................................................................................................... 6
6.0 Block Diagram (4Mb x 16 I/O x4 Banks) ................................................................................... 7
7.0 Input/Output Function Description .......................................................................................... 8
8.0 Command Truth Table ............................................................................................................... 9
9.0 General Description ................................................................................................................. 10
10.0 Absolute Maximum Rating .................................................................................................... 10
11.0 DC Operating Conditions ...................................................................................................... 10
12.0 DDR SDRAM Spec Items & Test Conditions ....................................................................... 11
13.0 Input/Output Capacitance ..................................................................................................... 11
14.0 Detailed test condition for DDR SDRAM IDD1 & IDD7A ..................................................... 12
15.0 DDR SDRAM IDD spec table ................................................................................................. 13
16.0 AC Operating Conditions ...................................................................................................... 14
17.0 AC Overshoot/Undershoot specification for Address and Control Pins .......................... 14
18.0 Overshoot/Undershoot specification for Data, Strobe and Mask Pins ............................. 15
19.0 AC Timming Parameters & Specifications .......................................................................... 16
20.0 System Characteristics for DDR SDRAM ............................................................................. 17
21.0 Component Notes .................................................................................................................. 18
22.0 System Notes ......................................................................................................................... 20
23.0 IBIS : I/V Characteristics for Input and Output Buffers ...................................................... 21
2 of 24
Rev. 1.11 March 2008
K4H561638J
Revision History
Revision
1.0
1.1
1.11
Month
September
November
March
Year
2007
2007
2008
- Release revision 1.0 SPEC
- Revised typo of package dimension
- Added Package pin out lead width
History
DDR SDRAM
3 of 24
Rev. 1.11 March 2008
K4H561638J
1.0 Key Features
• VDD : 2.5V ± 0.2V, VDDQ : 2.5V ± 0.2V for DDR266, 333
• VDD : 2.6V ± 0.1V, VDDQ : 2.6V ± 0.1V for DDR400
• Double-data-rate architecture; two data transfers per clock cycle
• Bidirectional data strobe [DQS] (x4,x8) & [L(U)DQS] (x16)
• 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 : DDR266(2, 2.5 Clock), DDR333(2.5 Clock), DDR400(3 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 for write masking only (x16)
• Auto & Self refresh
• 7.8us refresh interval(8K/64ms refresh)
•
Support Industrial Temp (-40 to 85°C)
• Maximum burst refresh cycle : 8
• 66pin TSOP II
Lead-Free & Halogen-Free
package
• 60ball FBGA
Lead-Free & Halogen-Free
package
•
RoHS compliant
DDR SDRAM
2.0 Ordering Information
Part No.
K4H561638J-LI/PCC
K4H561638J-LI/PB3
K4H561638J-HI/PCC
K4H561638J-HI/PB3
Org.
16M x 16
16M x 16
Max Freq.
CC(DDR400@CL=3)
B3(DDR333@CL=2.5)
CC(DDR400@CL=3)
B3(DDR333@CL=2.5)
Interface
SSTL2
SSTL2
Package
66pin TSOP II
Lead-Free & Halogen-Free
60ball FBGAI
Lead-Free & Halogen-Free
Note
2
1,2
2
1,2
Note
1. "-B3"(DDR333, CL=2.5) can support "-B0"(DDR266, CL=2.5)/ "-A2"(DDR266, CL=2).
2. “L” and "F" of Part number(12th digit) stands for RoHS compliant and Halogen-Free products.
3.0 Operating Frequencies
CC(DDR400@CL=3)
Speed @CL2
Speed @CL2.5
Speed @CL3
CL-tRCD-tRP
-
166MHz
200MHz
3-3-3
B3(DDR333@CL=2.5)
133MHz
166MHz
-
2.5-3-3
A2(DDR266@CL=2.0)
133MHz
133MHz
-
2-3-3
B0(DDR266@CL=2.5)
100MHz
133MHz
-
2.5-3-3
4 of 24
Rev. 1.11 March 2008
K4H561638J
4.0 Pin Description
DDR SDRAM
16Mb x 16
VDD
DQ0
VDDQ
DQ1
DQ2
VSSQ
DQ3
DQ4
VDDQ
DQ5
DQ6
VSSQ
DQ7
NC
VDDQ
LDQS
NC
VDD
NC
LDM
WE
CAS
RAS
CS
NC
BA0
BA1
AP/A10
A0
A1
A2
A3
VDD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
66
65
64
63
62
61
60
59
58
VSS
DQ15
VSSQ
DQ14
DQ13
VDDQ
DQ12
DQ11
VSSQ
DQ10
DQ9
VDDQ
DQ8
NC
VSSQ
UDQS
NC
VREF
VSS
UDM
CK
CK
CKE
NC
A12
A11
A9
A8
A7
A6
A5
A4
VSS
66Pin TSOPII
(400mil x 875mil)
(0.65mm Pin Pitch)
Bank Address
BA0~BA1
Auto Precharge
A10
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
256Mb TSOP-II Package Pinout
16M x 16
1
2
3
7
8
9
VSSQ
DQ15
VSS
A
VDD
DQ0
VDDQ
DQ14
VDDQ
DQ13
B
DQ2
VSSQ
DQ1
DQ12
VSSQ
DQ11
C
DQ4
VDDQ
DQ3
DQ10
VDDQ
DQ9
D
DQ6
VSSQ
DQ5
DQ8
VSSQ
UDQS
E
LDQS
VDDQ
DQ7
VREF
VSS
UDM
F
LDM
VDD
NC
CK
CK
G
WE
CAS
A12
CKE
H
RAS
CS
A11
A9
J
BA1
BA0
A8
A7
K
A0
A10/AP
A6
A5
L
A2
A1
A4
VSS
M
VDD
A3
Note :
1. In case of only 8 or 4 DQs out of 16 DQs are used, UDQS and DQ0~7 must be used.
Organization
16Mx16
Row Address
A0~A12
Column Address
A0-A8
DM is internally loaded to match DQ and DQS identically.
Row & Column address configuration
5 of 24
Rev. 1.11 March 2008