MT48LC4M16A2B4-75 Datasheet, PDF (11/83 Pages) Micron Technology – SDR SDRAM

64Mb: x4, x8, x16 SDRAM
Pin and Ball Assignments and Descriptions
Pin and Ball Assignments and Descriptions
Figure 4: 54-Pin TSOP (Top View)
x4 x8 x16
––
NC DQ0
V_DD
DQ0
1
2
– – V_DDQ
3
NC NC DQ1
4
DQ0 DQ1 DQ2
5
– – V_SSQ
6
NC NC DQ3
7
NC DQ2 DQ4
8
– – V_DDQ
9
NC NC DQ5
10
DQ1 DQ3 DQ6
11
– – V_SSQ
12
NC NC DQ7
13
– – V_DD
14
NC NC DQML
15
– – WE#
16
– – CAS#
17
– – RAS#
18
– – CS#
19
– – BA0
20
– – BA1
21
– – A10
22
– – A0
23
– – A1
24
– – A2
25
– – A3
26
– – ^VDD
27
x16 x8 x4
54
53
V_SS
DQ15
–
DQ7
–
NC
52
51
V_SSQ
DQ14
–
NC
–
NC
50
DQ13 DQ6 DQ3
49
V_DDQ –
–
48
DQ12 NC NC
47
DQ11 DQ5 NC
46
V_SSQ –
–
45
DQ10 NC NC
44
DQ9 DQ4 DQ2
43
V_DDQ –
–
42
DQ8 NC NC
41
40
V_SS
NC
–
–
–
–
39
DQMH DQM DQM
38
CLK – –
37
CKE – –
36
NC – –
35
A11 – –
34
A9 – –
33
A8 – –
32
A7 – –
31
A6 – –
30
A5 – –
29
A4 – –
28
V_SS
–
–
Notes: 1. A dash (–) indicates that the x8 and x4 pin function is the same as the x16 pin function.
2. Package may or may not be assembled with a location notch.
PDF: 09005aef80725c0b
64mb_x4x8x16_sdram.pdf - Rev. U 05/13 EN
11
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