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參數(shù)資料
| 型號： | MB98A9103 |
| 廠商： | Fujitsu Limited |
| 英文描述： | Low Power Static Random Access Memory Card(1M低功耗靜態(tài)存儲器) |
| 中文描述： | 低功耗靜態(tài)隨機存取記憶卡（1分低功耗靜態(tài)存儲器） |
| 文件頁數(shù)： | 2/32頁 |
| 文件大小： | 557K |
| 代理商： | MB98A9103 |
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MB98A9083x
/
9093x/9103x/9113x
-20
I
ATTRIBUTE MEMORY OPTIONS
PCMCIA and JEIDA standard memory cards from Fujitsu provide a separate EEPROM memory address space for
recording fundamental card information. It is used by the card manufacturers to record basic configuration infor-
mation such as device type, size, speed, etc.
The attribute memory is selected by asserting the REG pin on the card interface. Option descriptions as follows:
OPTION 1:
Attribute memory is not supported.
REG Pin: Not Contacted
(JEIDA Ver.3 conformable)
OPTION 2:
Attribute memory in a separate location is not supported.
When the REG line is asserted, “FF” is output to the data bus to indicate that attribute
data may be stored in main memory.
(PCMCIA Rel.2/JEIDA Ver.4 conformable)
Attribute Memory
OPTION 3:
Attribute memory is supported. The data is stored in an 16K-bit EEPROM.
When the REG line is asserted, data stored in EEPROM is output to the data bus.
(PCMCIA Rel.2/JEIDA Ver.4 conformable)
Attribute Memory
Note:
* To be configured by user.
Part Number
Main Memory
Attribute Memory
Memory Organization*
Memory Device
Access Time
Memory Device
Access Time
MB98A90831
1M SRAM
×
×
×
×
2 pcs
200 ns
—
—
256 K
×
×
8 bits/128 K
×
×
16 bits
MB98A90931
1M SRAM
4 pcs
200 ns
—
—
512 K
8 bits/256 K
16 bits
MB98A91031
1M SRAM
8 pcs
200 ns
—
—
1 M
×
×
8 bits/512 K
×
16 bits
MB98A91131
1M SRAM
16 pcs
200 ns
—
—
2 M
8 bits/1 M
×
16 bits
Part Number
Main Memory
Memory Organization*
Memory Device
Access Time
Memory Device
Access Time
MB98A90832
1M SRAM
×
×
×
×
2 pcs
200 ns
—
—
256 K
×
×
8 bits/128 K
×
×
16 bits
MB98A90932
1M SRAM
4 pcs
200 ns
—
—
512 K
8 bits/256 K
16 bits
MB98A91032
1M SRAM
8 pcs
200 ns
—
—
1 M
×
×
8 bits/512 K
×
16 bits
MB98A91132
1M SRAM
16 pcs
200 ns
—
—
2 M
8 bits/1 M
×
16 bits
Part Number
Main Memory
Memory Organization*
Memory Device
Access Time
Memory Device
Access Time
MB98A90833
1M SRAM
×
×
×
×
2 pcs
200 ns
EEPROM
×
×
×
×
1 pcs
300 ns
256 K
×
×
8 bits/128 K
×
×
16 bits
MB98A90933
1M SRAM
4 pcs
200 ns
EEPROM
1 pcs
300 ns
512 K
8 bits/256 K
16 bits
MB98A91033
1M SRAM
8 pcs
200 ns
EEPROM
1 pcs
300 ns
1 M
×
×
8 bits/512 K
×
16 bits
MB98A91133
1M SRAM
16 pcs
200 ns
EEPROM
1 pcs
300 ns
2 M
8 bits/1 M
×
16 bits
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