參數(shù)資料
型號(hào): NS32490D
廠商: National Semiconductor Corporation
英文描述: NIC Network Interface Controller(NIC網(wǎng)絡(luò)接口控制器)
中文描述: NIC網(wǎng)絡(luò)接口控制器(NIC網(wǎng)絡(luò)接口控制器)
文件頁數(shù): 45/56頁
文件大?。?/td> 689K
代理商: NS32490D
15.0 Switching Characteristics
(Continued)
DMA Memory Read
TL/F/8582–82
Symbol
Parameter
Min
Max
Units
bcrl
Bus Clock to Read Strobe Low
43
ns
bcrh
Bus Clock to Read Strobe High
40
ns
ds
Data Setup to Read Strobe High
25
ns
dh
Data Hold from Read Strobe High
0
ns
drw
DMA Read Strobe Width Out
2
*
bcyc
b
15
ns
raz
Memory Read High to Address TRI-STATE
(Notes 1, 2)
bch
a
40
ns
asds
Address Strobe to Data Strobe
bcl
a
10
ns
dsada
Data Strobe to Address Active
bcyc
b
10
ns
avrh
Address Valid to Read Strobe High
3
*
bcyc
b
15
ns
Note 1:
During a burst A8–A15 are not TRI-STATE if byte wide transfers are selected. On the last transfer A8–A15 are TRI-STATE as shown above.
Note 2:
These limits include the RC delay inherent in our test method. These signals typically turn off within bch
a
15 ns, enabling other devices to drive these
lines with no contention.
45
相關(guān)PDF資料
PDF描述
NS32828 1 Megabit High Speed Dynamic RAM Controller/Drivers
NS32829 1 Megabit High Speed Dynamic RAM Controller/Drivers
NS32FX16-15 FILM/M CAPACITANCE=0.001 VOLT=630
NS32FX16-20 Imaging/Signal Processor
NS32FX16-25 Imaging/Signal Processor
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
NS32491 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Serial Network Interface
NS32491A 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
NS32492B 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Coaxial Transceiver Interface
NS32532-20 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
NS32532-25 制造商:未知廠家 制造商全稱:未知廠家 功能描述: