EtronTech
EM638325
2M x 32 Synchronous DRAM (SDRAM)
Preliminary (Rev 1.4 October/2005)
Pin Assignment (Top View)
Features
Clock rate: 200/183/166/143/125/100 MHz
Fully synchronous operation
Internal pipelined architecture
Four internal banks (512K x 32bit x 4bank)
Programmable Mode
·
·
·
·
·
VDD
DQ0
VDDQ
DQ1
DQ2
VSSQ
DQ3
DQ4
VDDQ
DQ5
DQ6
VSSQ
DQ7
NC
VDD
DQM0
/WE
/CAS
/RAS
/CS
1
2
3
4
5
6
7
8
VSS
DQ15
VSSQ
DQ14
DQ13
VDDQ
DQ12
DQ11
VSSQ
DQ10
DQ9
VDDQ
DQ8
NC
VSS
DQM1
NC
NC
CLK
CKE
A9
A8
A7
A6
A5
A4
A3
DQM3
VSS
NC
DQ31
VDDQ
DQ30
DQ29
VSSQ
DQ28
DQ27
VDDQ
DQ26
DQ25
VSSQ
DQ24
VSS
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
- CAS# Latency: 2 or 3
9
- Burst Length: 1, 2, 4, 8, or full page
- Burst Type: interleaved or linear burst
- Burst-Read-Single-Write
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
Burst stop function
·
·
·
·
·
·
·
Individual byte controlled by DQM0-3
Auto Refresh and Self Refresh
4096 refresh cycles/64ms
Single +3.3V ± 0.3V power supply
Interface: LVTTL
Package: 400 x 875 mil, 86 Pin TSOP II, 0.50mm
pin pitch
Lead Free Package available
NC
BS0
BS1
A10/AP
A0
A1
A2
·
DQM2
VDD
Ordering Information
NC
Part Number
Leaded / Lead Free Package
EM638325TS-5/-5G
EM638325TS-5.5/-5.5G
EM638325TS-6/-6G
EM638325TS-7/-7G
EM638325TS-8/-8G
EM638325TS-10/-10G
Frequency
Package
DQ16
VSSQ
DQ17
DQ18
VDDQ
DQ19
DQ20
VSSQ
DQ21
DQ22
VDDQ
DQ23
VDD
200MHz
183MHz
166MHz
143MHz
125MHz
100MHz
TSOP II
TSOP II
TSOP II
TSOP II
TSOP II
TSOP II
Etron Technology, Inc.
No. 6, Technology Rd. V, Science-Based Industrial Park, Hsinchu, Taiwan 30077, R.O.C
TEL: (886)-3-5782345 FAX: (886)-3-5778671
Etron Technology, Inc., reserves the right to make changes to its products and specifications without notice.