256MB / 512MB (x64)
168-PIN SDRAM DIMMs
Ta b le 22: Se ria l Pre se n ce -De t e ct Ma t rix
VDD = +3.3V ±0.3V; “1”/“0”: Serial Data, “driven to HIGH”/“driven to LOW”
ENTRY
(VERSION)
BYTE
DESCRIPTION
MT8LSDT3264A(I) MT16LSDT6464A(I)
0
1
2
3
4
5
6
7
8
9
128
256
80
08
04
0D
0A
01
40
00
01
80
08
04
0D
0A
02
40
00
01
NUMBER OF BYTES USED BY MICRON
TOTAL NUMBER OF SPD MEMORY BYTES
MEMORY TYPE
SDRAM
13
NUMBER OF ROWADDRESSES
NUMBER OF COLUMN ADDRESSES
NUMBER OF MODULE BANKS
MODULE DATA WIDTH
10
1 or 2
64
0
MODULE DATA WIDTH (continued)
MODULE VOLTAGE INTERFACE LEVELS
SDRAM CYCLE TIME, tCK
(CAS LATENCY = 3)
LVTTL
7ns (-13E)
7.5ns (-133)
8ns (-10E)
70
75
80
70
75
80
SDRAM ACCESS FROM CLK, tAC
(CAS LATENCY = 3)
10
5.4ns (-13E/-133)
6ns (-10E)
54
60
54
60
11
12
13
14
15
NONPARITY
00
82
08
00
01
00
82
08
00
01
MODULE CONFIGURATION TYPE
REFRESH RATE/TYPE
7.8125µs/SELF
8
NONE
1
SDRAM WIDTH (PRIMARY SDRAM)
ERROR-CHECKING SDRAM DATA WIDTH
MINIMUM CLOCK DELAY FROM BACK-TO-BACK
RANDOM COLUMN ADDRESSES,tCCD
BURST LENGTHS SUPPORTED
NUMBER OF BANKS ONS DRAM DEVICE
CAS LATENCIES SUPPORTED
16
17
18
19
20
21
22
23
1, 2, 4, 8, PAGE
8F
04
06
01
01
00
0E
8F
04
06
01
01
00
0E
4
2, 3
0
CS LATENCY
0
UNBUFFERED
0E
WE LATENCY
SDRAM MODULE ATTRIBUTES
SDRAM DEVICE ATTRIBUTES:GENERAL
SDRAM CYCLE TIME , tCK
7.5ns (13E)
10ns (-133/-10E)
75
A0
75
A0
(CAS LATENCY = 2) 10 (-133/-10E) A0
SDRAMACCESSFROMCLK, tAC
(CAS LATENCY = 2)
SDRAM CYCLE TIME, tCK
(CAS LATENCY = 1)
SDRAM ACCESS FROM CLK, tAC
(CAS LATENCY = 1)
24
25
26
5.4ns (-13E)
6ns (-133/-10E)
54
60
54
60
00
00
00
00
MINIMUM ROW PRECHARGE TIME, tRP
27
28
15ns (-13E)
20ns (-133/-10E)
0F
14
0F
14
MINIMUM ROW ACTIVE TO ROW ACTIVE, tRRD
14ns (-13E)
15ns (-133)
20ns (-10E)
0E
0F
14
0E
0F
14
MINIMUM RAS# TO CAS# DELAY, tRCD
29
30
15ns (-13E)
20ns (-133/-10E)
0F
14
0F
14
MINIMUM RAS# PULSE WIDTH, tRAS (See note 1)
45ns (-13E)
44ns (133)
50ns (-10E)
2D
2C
32
2D
2C
32
32,64 Meg x 64 SDRAM DIMMs
SD8_16C32_64x64AG_C.fm - Rev. C 11/02
Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2002, Micron Technology Inc.
21
MICRON [ MICRON TECHNOLOGY ]
