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MT46V64M4 数据表(PDF) 5 Page - Micron Technology

部件名 MT46V64M4
功能描述  DOUBLE DATA RATE DDR SDRAM
Download  8 Pages
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制造商  MICRON [Micron Technology]
网页  http://www.micron.com
标志 MICRON - Micron Technology

MT46V64M4 数据表(HTML) 5 Page - Micron Technology

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256Mb: x4, x8, x16 DDR333 SDRAM
Micron Technology, Inc., reserves the right to change products or specifications without notice.
256Mx4x8x16DDR333_B.p65 – Rev. B; Pub. 10/01
©2001, Micron Technology, Inc.
256Mb: x4, x8, x16
DDR333 SDRAM Addendum
PRELIMINARY
PIN DESCRIPTIONS (continued)
BALL / PIN NUMBERS
FBGA
TSOP
SYMBOL
TYPE
DESCRIPTION
A8, B9, B7
2, 4, 5,
DQ0-2
I/O
Data Input/Output: Data bus for x16
C9, C7, D9
7, 8, 10
DQ3-5
D7, E9, E1
11, 13, 54
DQ6-8
D3, D1, C3
56, 57, 59
DQ9-11
C1, B3, B1,
60, 62, 63,
DQ12-14
A2
65
DQ15
A8, B7, C7,
2, 5, 8,
DQ0-2
I/O
Data Input/Output: Data bus for x8
D7, D3, C3,
11, 56, 59
DQ3-5
B3, A2
62, 65
DQ6-7
B7, D7, D3,
5, 11, 56
DQ0-2
I/O
Data Input/Output: Data bus for x4
B3
62
DQ2
E3
51
DQS
I/O
Data Strobe: Output with read data, input with write data. DQS is
E7, E3
16, 51
LDQS, UDQS
edge-aligned with read data, centered in write data. It is used to
capture data. For the x16 , LDQS is DQS for DQ0-DQ7 and UDQS
IS DQS for DQ8-DQ15. Pin 16 (H7) is NC on x4 and x8.
14, 17, 25,
NC
-
No Connect: These pins should be left unconnected.
43, 53
19, 50
DNU
Do Not Use: Must float to minimize noise on Vref
B2, D2, C8, 3, 9, 15, 55,
VDDQ
Supply
DQ Power Supply: +2.5V ±0.2V. Isolated on the die for improved
E8, A9
61
noise immunity.
A1, C2, E2,
6, 12, 52,
VSSQ
Supply
DQ Ground. Isolated on the die for improved noise immunity.
B8, D8
58, 64
F8, M7, A7
1, 18, 33
VDD
Supply
Power Supply: +2.5V ±0.2V.
A1, A3, F2,
34, 48, 66
VSS
Supply
Ground.
M3
F1
49
VREF
Supply
SSTL_2 reference voltage.
F9
17
A13
I
Address input A13 for 1Gb devices.


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