- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄377884 > MB8117400B-50 (Fujitsu Limited) 4 M ×4 BITS Fast Page Mode Dynamic RAM(CMOS 4 M ×4 位快速頁面存取模式RAM) PDF資料下載
參數(shù)資料
| 型號： | MB8117400B-50 |
| 廠商： | Fujitsu Limited |
| 英文描述： | 4 M ×4 BITS Fast Page Mode Dynamic RAM(CMOS 4 M ×4 位快速頁面存取模式RAM) |
| 中文描述： | 4米× 4位快速頁面模式動態(tài)RAM（的CMOS 4米× 4位快速頁面存取模式的RAM） |
| 文件頁數(shù)： | 6/28頁 |
| 文件大?。?/td> | 473K |
| 代理商： | MB8117400B-50 |
第1頁第2頁第3頁第4頁第5頁當(dāng)前第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁
6
MB8117400B-50/-60
DATA OUTPUTS
The three-state buffers are TTL compatible with a fan out of two TTL loads. Polarity of the output data is identical
to that of the input; the output buffers remain in the high-impedance state until the column address strobe goes
Low. When a read or read-modify-write cycle is executed, valid outputs are obtained under the following conditions:
t
t
t
AA
:
t
OEA
:
RAC
:
:
from the falling edge of RAS when t
from the falling edge of CAS when t
RCD
is greater than t
RCD
(max).
from column address input when t
RAD
is greater than t
RAD
(max).
from the falling edge of OE when OE is brought Low after t
RAC
, t
CAC
, or t
AA
.
RCD
(max) is satisfied.
CAC
The data remains valid until either CAS or OE returns to a High logic level. When an early write is executed, the
output buffers remain in a high-impedance state during the entire cycle.
FAST PAGE MODE OF OPERATION
The fast page mode of operation provides faster memory access and lower power dissipation. The fast page mode
is implemented by keeping the same row address and strobing in successive column addresses. To satisfy these
conditions, RAS is held Low for all contiguous memory cycles in which row addresses are common. For each fast
page of memory, any of 1,024
×
4-bits can be accessed and, when multiple MB 8117400Bs
are used, CAS is
decoded to select the desired memory fast page. Fast page mode operations need not be addressed sequentially
and combinations of read, write, and/or read-modify-write cycles are permitted.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MB8117400B-60 | 4 M ×4 BITS Fast Page Mode Dynamic RAM(CMOS 4 M ×4 位快速頁面存取模式RAM) |
| MB8117405A-60 | CMOS 4M ×4 BIT Hyper Page Mode Dynamic RAM(CMOS 4M ×4 位超級頁面存取模式動態(tài)RAM) |
| MB8117405A-70 | CMOS 4M ×4 BIT Hyper Page Mode Dynamic RAM(CMOS 4M ×4 位超級頁面存取模式動態(tài)RAM) |
| MB8117405B-50 | 4 M ×4 BITS Fast Page Mode Dynamic RAM(CMOS 4 M ×4 位快速頁面存取模式RAM) |
| MB8117405B-60 | 4 M ×4 BITS Fast Page Mode Dynamic RAM(CMOS 4 M ×4 位快速頁面存取模式RAM) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB8117800A-60 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2 M X 8 BIT FAST PAGE MODE DYNAMIC RAM |
| MB8117800A-70 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2 M X 8 BIT FAST PAGE MODE DYNAMIC RAM |
| MB812 | 功能描述:ACCY MOUNT BMM 3/4 58A RoHS:是 類別:RF/IF 和 RFID >> RF配件 系列:* 標(biāo)準(zhǔn)包裝:1 系列:* |
| MB812.833 | 功能描述:ACCY MOUNT BMM 3/4 58A RoHS:是 類別:RF/IF 和 RFID >> RF配件 系列:* 標(biāo)準(zhǔn)包裝:1 系列:* |
| MB-8120 | 制造商:Maxxtro 功能描述: |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。