K4H560438D-NC Datasheet, PDF (2/18 Pages) Samsung semiconductor – 256Mb sTSOPII

256Mb sTSOPII
Package Pinout
DDR SDRAM
54pin sTSOP II
32Mb x 8
64Mb x 4
VDD
VDD
1
54
VSS
VSS
DQ0
NC
2
53
NC
DQ7
VDDQ
VDDQ
3
52
VSSQ
VSSQ
DQ1
DQ0
4
51
DQ3
DQ6
VSSQ
VSSQ
5
50
VDDQ
VDDQ
DQ2
NC
6
49
NC
DQ5
VDDQ
VDDQ
7
48
VSSQ
VSSQ
DQ3
DQ1
8
47
DQ2
DQ4
VSSQ
VSSQ
9
54 PIN sTSOP(II)
46
VDDQ
VDDQ
NC
NC
10
300mil x 551mil
45
NC
NC
VDDQ
VDDQ
11
(7.62mm x 14.00mm)
44
VSSQ
VSSQ
NC
NC
12
NC
NC
13
43
DQS
DQS
(0.5 mm PIN PITCH)
42
VREF
VREF
VDD
VDD
14
WE
WE
15
Bank Address
BA0-BA1
41
VSS
VSS
40
DM
DM
CAS
CAS
16
RAS
RAS
17
CS
CS
18
Row Address
A0-A12
39
CK
CK
38
CK
CK
37
CKE
CKE
NC
NC
19
BA0
BA0
20
BA1
BA1
21
Auto Precharge
A10
36
A12
A12
35
A11
A11
34
A9
A9
AP/A10 AP/A10
22
33
A8
A8
A0
A0
23
32
A7
A7
A1
A1
24
31
A6
A6
A2
A2
25
30
A5
A5
A3
A3
26
29
A4
A4
VDD
VDD
27
28
VSS
VSS
256Mb package Pinout
Organization
64Mx4
32Mx8
Column Address
A0-A9, A11
A0-A9
DM is internally loaded to match DQ and DQS identically.
Column address configuration
-2 -
Rev.0.0 May. ’02