MT48LC4M32B2

Manufacturer Part NumberMT48LC4M32B2
DescriptionSYNCHRONOUS DRAM
ManufacturerMicron Semiconductor Products
MT48LC4M32B2 datasheet
 


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SYNCHRONOUS
DRAM
FEATURES
• PC100 functionality
• 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, 4,096-cycle refresh (15.6µs/row)
• LVTTL-compatible inputs and outputs
• Single +3.3V ±0.3V power supply
• Supports CAS latency of 1, 2, and 3.
OPTIONS
• Configuration
4 Meg x 32 (1 Meg x 32 x 4 banks)
1
• Package - OCPL
86-pin TSOP (400 mil)
• Timing (Cycle Time)
6ns (166 MHz)
7ns (143 MHz)
• Operating Temperature Range
Commercial (0° to +70°C)
Extended (-40°C to +85°C)
NOTE: 1. Off-center parting line
2. Available on -7
Part Number Example:
MT48LC4M32B2TG-7
KEY TIMING PARAMETERS
SPEED
CLOCK
ACCESS TIME
GRADE
FREQUENCY
CL = 3*
-6
166 MHz
5.5ns
-7
143 MHz
5.5ns
*CL = CAS (READ) latency
128Mb: x32 SDRAM
128MbSDRAMx32_D.p65 – Rev. D; Pub. 6/02
MT48LC4M32B2 - 1 Meg x 32 x 4 banks
For the latest data sheet, please refer to the Micron Web
site:
www.micron.com/sdramds
PIN ASSIGNMENT (TOP VIEW)
MARKING
4M32B2
TG
-6
-7
None
2
IT
Note: The # symbol indicates signal is active LOW.
SETUP
HOLD
Configuration
TIME
TIME
Refresh Count
1.5ns
1ns
Row Addressing
2ns
1ns
Bank Addressing
Column Addressing
1
128Mb: x32
SDRAM
86-PIN TSOP
V
1
86
DD
DQ0
2
85
V
Q
3
84
DD
DQ1
4
83
DQ2
5
82
V
Q
6
81
SS
DQ3
7
80
DQ4
8
79
V
Q
9
78
DD
DQ5
10
77
DQ6
11
76
V
Q
12
75
SS
DQ7
13
74
NC
14
73
V
15
72
DD
DQM0
16
71
WE#
17
70
CAS#
18
69
RAS#
19
68
CS#
20
67
A11
21
66
BA0
22
65
BA1
23
64
A10
24
63
A0
25
62
A1
26
61
A2
27
60
DQM2
28
59
V
29
58
DD
NC
30
57
DQ16
31
56
V
Q
32
55
SS
54
DQ17
33
DQ18
34
53
V
Q
35
52
DD
DQ19
36
51
DQ20
37
50
V
Q
38
49
SS
DQ21
39
48
DQ22
40
47
V
Q
41
46
DD
DQ23
42
45
V
43
44
DD
4 Meg x 32
1 Meg x 32 x 4 banks
4K
4K (A0–A11)
4 (BA0, BA1)
256 (A0–A7)
Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2002, Micron Technology, Inc.
V
SS
DQ15
V
Q
SS
DQ14
DQ13
V
Q
DD
DQ12
DQ11
V
Q
SS
DQ10
DQ9
V
Q
DD
DQ8
NC
V
SS
DQM1
NC
NC
CLK
CKE
A9
A8
A7
A6
A5
A4
A3
DQM3
V
SS
NC
DQ31
V
Q
DD
DQ30
DQ29
V
Q
SS
DQ28
DQ27
V
Q
DD
DQ26
DQ25
V
Q
SS
DQ24
V
SS

MT48LC4M32B2 Summary of contents