MT55L1MY18F Micron Semiconductor Products, Inc., MT55L1MY18F Datasheet - Page 4

• Manufacturer Part Number: MT55L1MY18F
• Description: 18Mb ZBT SRAM, 3.3V Vdd, 2.5V or 3.3V I/O; 2.5V Vdd, 2.5V I/O, Flow-Through,
• Manufacturer: Micron Semiconductor Products, Inc.

NOTE:
18Mb: 1 Meg x 18, 512K x 32/36 Flow-through ZBT SRAM
MT55L1MY18F_16_D.fm – Rev. D, Pub. 2/03
1. No Function (NF) is used on the x32 version. Parity (DQPx) is used on the x36 version.
2. Pins 14 and 66 do not have to be connected directly to V
3. Pin 16 does not have to be connected directly to V
4. Pins 43 and 42 are reserved for address expansion; 36Mb and 72Mb, respectively.
ADV/LD#
OE# (G#)
BWa#
BWb#
R/W#
CKE#
CE2#
ADV/LD#
OE# (G#)
CLK
CE2
CE#
V
V
NC
NC
SA
SA
SA
SA
SA
SA
DD
BWa#
BWb#
BWd#
BWc#
SS
CKE#
R/W#
CE2#
CLK
V
CE2
CE#
V
SA
SA
SA
SA
SA
SA
DD
SS
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
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
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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
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
Figure 5: Pin Layout (Top View)
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
100-Pin TQFP
DD
x32/x36
if the input voltage is ³ V
x18
SS
4
if the input voltage is £ V
18Mb: 1 MEG x 18, 512K x 32/36
Micron Technology, Inc., reserves the right to change products or specifications without notice.
FLOW-THROUGH ZBT SRAM
IH
.
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
IL
.
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
SA
SA
SA
SA
SA
SA
SA
DNU
DNU
V
V
DNU
DNU
SA0
SA1
SA
SA
SA
SA
MODE
(LBO#)
DD
SS
SA
SA
SA
SA
SA
SA
SA
DNU
DNU
V
V
DNU
DNU
SA0
SA1
SA
SA
SA
SA
MODE
(LBO#)
4
4
DD
SS
4
4
©2003 Micron Technology, Inc.