參數(shù)資料
型號(hào): 91C94
廠商: SMSC Corporation
英文描述: ISA/PCMCIA SINGLE CHIP ETHERNET CONTROLLER WITH RAM
中文描述: 的ISA / PCMCIA的單芯片以太網(wǎng)控制器與RAM
文件頁數(shù): 3/120頁
文件大?。?/td> 447K
代理商: 91C94
100
FIGURE 25 - ISA CONSECUTIVE READ AND WRITE CYCLES
t20
A0-15
AEN,
nSBHE
nIOCS16
nIOWR
D0-D15
VALID ADDRESS
nIORD
t 9
t 10
Z
VALI D DATA
IOCHRDY
Z
Control Act ive to IOCHRDY Low
IOCHRDY Low Pulse Width*
Cycle ti me**
Paramete r
min
typ
max
units
100
185
15
150
ns
t 9
t10
t20
* Note: Assuming NO WAI T ST = 0 i n configuration register and cycle time observed.
**Note: The cycle time is defined onl y for accesses to the Data Register as foll ows:
For Data Register Read - From nIORD falling to next nIO RD falli ng
For Data Register Write - From nIOWR risi ng to next nIOWR risi ng
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