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参数资料
| 型号： | TM4EP72CPN-70 |
| 厂商： | Texas Instruments, Inc. |
| 英文描述： | EXTENDED-DATA-OUT DYNAMIC RAM MODULES |
| 中文描述： | 扩展数据输出动态随机存储器模块 |
| 文件页数： | 19/22页 |
| 文件大小： | 354K |
| 代理商： | TM4EP72CPN-70 |
TM4EP64BJN, TM4EP64BPN, TM4EP64CJN, TM4EP64CPN 4194304 BY 64-BIT
TM4EP72BJN, TM4EP72BPN, TM4EP72CJN, TM4EP72CPN 4194304 BY 72-BIT
EXTENDED-DATA-OUT DYNAMIC RAMMODULES
SMMS682A – AUGUST 1997– REVISED MARCH 1998
19
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
serial presence detect (continued)
Table 4. Serial-Presence-Detect Data for the TM4EP72CxN
BYTE
NO.
FUNCTION DESCRIBED
’4EP72CxN-50
’4EP72CxN-60
’4EP72CxN-70
ITEM
DATA
ITEM
DATA
ITEM
DATA
0
Defines number of bytes
written into serial memory
during module manufacturing
128 bytes
80h
128 bytes
80h
128 bytes
80h
1
Total number of bytes of SPD
memory device
256 bytes
08h
256 bytes
08h
256 bytes
08h
2
Fundamental memory type
(FPM, EDO, SDRAM)
EDO
02h
EDO
02h
EDO
02h
3
Number of row addresses on
this assembly
11
0Bh
11
0Bh
11
0Bh
4
Number of column addresses
on this assembly
9
09h
9
09h
10
09h
5
Number of module banks on
this assembly
1
01h
1
01h
2
01h
6
Data width of this assembly
72 bits
48h
72 bits
48h
72 bits
48h
7
Data width continuation
00h
00h
00h
8
Voltage interface standard of
this assembly
LVTTL
01h
LVTTL
01h
LVTTL
01h
9
RASx access time of module
tRAC = 50 ns
tRAC = 13 ns
32h
tRAC = 60 ns
tRAC = 15 ns
3Ch
tRAC = 70 ns
tRAC = 18 ns
46h
10
CASx access time of module
0Dh
0Fh
12h
11
DIMM configuration type
(non-parity, parity, ECC)
ECC
02h
ECC
02h
ECC
02h
12
Refresh rate/type
15.6
μ
s
x4
00h
15.6
μ
s
x4
00h
15.6
μ
s
x4
00h
13
DRAM width, primary DRAM
04h
04h
04h
14
Error-checking SDRAM data
width
x4
04h
x4
04h
x4
04h
62
SPD revision
Rev. 1
01h
Rev. 1
01h
Rev. 1
01h
63
Checksum for bytes 0–62
50
32h
62
3Eh
75
4Bh
64–71
Manufacturer’s
code per JEP-106E
Manufacturing location
Manufacturer’s part number
Die revision code
PCB revision code
Manufacturing date
Assembly serial number
Manufacturer-specific data
Vendor-specific data
JEDEC
ID
97h
9700...00h
97h
9700...00h
97h
9700...00h
72
TBD
TBD
TBD
73–90
TBD
TBD
TBD
91
TBD
TBD
TBD
92
TBD
TBD
TBD
93–94
TBD
TBD
TBD
95–98
TBD
TBD
TBD
99–125
TBD
TBD
TBD
126–127
TBD
TBD
TBD
128–166
System-integrator-specific
data
TBD
TBD
TBD
167–255
TBD indicates that values are determined at manufacturing time and are module-dependent.
These TBD values are determined and programmed by the customer (optional).
Open
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相关代理商/技术参数 |
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|---|---|
| TM4EP72DJN | 制造商:TI 制造商全称:Texas Instruments 功能描述:EXTENDED-DATA-OUT DYNAMIC RAM MODULES |
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| TM4K5-2-B200 | 制造商:NOBLE 功能描述: |
| TM4K5-2-B500 | 制造商:NOBLE 功能描述: |
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