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| 型號： | MT48LC32M8A2 |
| 廠商： | Micron Technology, Inc. |
| 英文描述： | SYNCHRONOUS DRAM |
| 中文描述： | 同步DRAM |
| 文件頁數： | 1/62頁 |
| 文件大小： | 1517K |
| 代理商： | MT48LC32M8A2 |
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PRODUCTS AND SPECIFICATIONS DISCUSSED HEREIN ARE SUBJECT TO CHANGE BY MICRON WITHOUT NOTICE.
1
256Mb: x4, x8, x16 SDRAM
256MSDRAM_E.p65 – Rev. E; Pub. 3/02
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2002, Micron Technology, Inc.
256Mb: x4, x8, x16
SDRAM
KEY TIMING PARAMETERS
SPEED
GRADE
-7E
-75
-7E
-75
CLOCK
FREQUENCY
143 MHz
133 MHz
133 MHz
100 MHz
ACCESS TIME
CL = 2* CL = 3*
–
–
5.4ns
6ns
SETUP
TIME
1.5ns
1.5ns
1.5ns
1.5ns
HOLD
TIME
0.8ns
0.8ns
0.8ns
0.8ns
5.4ns
5.4ns
–
–
64 Meg x 4
16 Meg x 4 x 4 banks 8 Meg x 8 x 4 banks 4 Meg x 16 x 4 banks
8K
8K
8K (A0–A12)
8K (A0–A12)
4 (BA0, BA1)
4 (BA0, BA1)
2K (A0–A9, A11)
1K (A0–A9)
32 Meg x 8
16 Meg x 16
Configuration
Refresh Count
Row Addressing
Bank Addressing
Column Addressing
8K
8K (A0–A12)
4 (BA0, BA1)
512 (A0–A8)
SYNCHRONOUS
DRAM
MT48LC64M4A2 – 16 Meg x 4
MT48LC32M8A2 – 8 Meg x 8
MT48LC16M16A2 – 4 Meg x 16 x 4 banks
For the latest data sheet, please refer to the Micron Web site:
x 4 banksx 4 banks
PIN ASSIGNMENT (Top View)
54-Pin TSOP
FEATURES
PC66-, PC100-, and PC133-compliant
Fully synchronous; all signals registered on
positive edge of system clock
Internal pipelined operation; column address can
be changed every clock cycle
Internal banks for hiding row access/precharge
Programmable burst lengths: 1, 2, 4, 8, or full page
Auto Precharge, includes CONCURRENT AUTO
PRECHARGE, and Auto Refresh Modes
Self Refresh Mode
64ms, 8,192-cycle refresh
LVTTL-compatible inputs and outputs
Single +3.3V ±0.3V power supply
OPTIONS
Configurations
64 Meg x 4
32 Meg x 8
16 Meg x 16
MARKING
(16 Meg x 4
( 8 Meg x 8
( 4 Meg x 16 x 4 banks)
x 4 banks)
x 4 banks)
64M4
32M8
16M16
WRITE Recovery (
t
WR)
t
WR = “2 CLK”
1
A2
Package/Pinout
54-pin TSOP II OCPL
2
(400 mil)
60-ball FBGA (8mm x 16mm) (x4, x8)
54-ball FBGA (8mm x 14mm) (x16 only)
TG
FB
4, 5
FG
3
Timing (Cycle Time)
7.5ns @ CL = 2 (PC133)
7.5ns @ CL = 3 (PC133)
-7E
-75
Self Refresh
Standard
Low power
None
L
3
Operating Temperature
Commercial (0
o
C to +70
o
C)
Industrial (-40
o
C to +85
o
C)
None
IT
3
NOTE
: 1. Refer to Micron Technical Note TN-48-05.
2. Off-center parting line.
3. Consult Micron for availability.
4. Not available in x16 configuration.
5. Actual FBGA part marking shown on page 58.
Part Number Example:
MT48LC16M16A2TG-75
Note:
The # symbol indicates signal is active LOW. A dash (–)
indicates x8 and x4 pin function is same as x16 pin function.
V
DD
DQ0
V
DD
Q
DQ1
DQ2
VssQ
DQ3
DQ4
V
DD
Q
DQ5
DQ6
VssQ
DQ7
V
DD
DQML
WE#
CAS#
RAS#
CS#
BA0
BA1
A10
A0
A1
A2
A3
V
DD
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
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
Vss
DQ15
VssQ
DQ14
DQ13
V
DD
Q
DQ12
DQ11
VssQ
DQ10
DQ9
V
DD
Q
DQ8
Vss
NC
DQMH
CLK
CKE
A12
A11
A9
A8
A7
A6
A5
A4
Vss
x8
-
DQ7
-
NC
DQ6
-
NC
DQ5
-
NC
DQ4
-
NC
-
-
DQM
-
-
-
-
-
-
-
-
-
-
-
x16
x16
x8
-
DQ0
-
NC
DQ1
-
NC
DQ2
-
NC
DQ3
-
NC
-
NC
-
-
-
-
-
-
-
-
-
-
-
-
x4
-
NC
-
NC
DQ3
-
NC
NC
-
NC
DQ2
-
NC
-
-
DQM
-
-
-
-
-
-
-
-
-
-
-
x4
-
NC
-
NC
DQ0
-
NC
NC
-
NC
DQ1
-
NC
-
NC
-
-
-
-
-
-
-
-
-
-
-
-
*CL = CAS (READ) latency
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相關代理商/技術參數 |
參數描述 |
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| MT48LC32M8A2-75 | 制造商:Micron Technology Inc 功能描述: |
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