參數(shù)資料
型號: 37C669
廠商: SMSC Corporation
英文描述: DIODE SCHOTTKY SINGLE 25V 200mW 0.5V-vf 200mA-IFM 30mA-IF 2uA-IR SOD-323 3K/REEL
中文描述: 電腦98/99順從超級I / O軟盤控制器與紅外線支持
文件頁數(shù): 49/164頁
文件大小: 621K
代理商: 37C669
142
FIGURE 5 - DMA TIMING
n DACK Delay Time from FDRQ High
DR Q Rese t Del ay fro m nIOR or nIOW
FDRQ Reset Delay from nDACK Low
nDACK Wid th
nIOR Delay from FDRQ High
n IOW De lay from FDRQ High
Da ta Access Time from n IOR Low
Data Set Up Time to nIOW High
D ata to Float Delay from nIOR High
Data Hold Time from nIOW High
n DACK Set Up to nIOW/n IOR Low
n DACK Hold Afte r nIOW/nIOR High
TC Pulse Width
AEN Set Up to nIOR/nIOW
AEN Ho ld from n DACK
TC Active to PDRQ Inactive
Parameter
min
typ
max
units
t1
t2
t3
t4
t5
t6
t7
t8
t9
t10
t11
t12
t13
t14
t15
t16
0
150
0
40
10
5
10
60
40
10
100
60
100
ns
t15
t2
t3
t12
t16
t1
t4
t5
t6
t11
t14
t8
t7
t9
t10
t13
AEN
FD RQ,
P DRQ
FDA CKX
PDA CKX
nIOR
or
nIOW
DATA
(DO-D7)
TC
DATA VA LID
NOTE:
FDRQ refers to the DRQ assigned to the Floppy Disk
PDRQ refers to the DRQ assigned to the Parall el Port
FDACKX r ef ers to t he DRQ as si gned to the to the Floppy Disk
P DACKX refers to the DRQ assigned to the Parallel Port
相關(guān)PDF資料
PDF描述
37C672 ENHANCED SUPER I/O CONTROLLER WITH FAST IR
37C67X ENHANCED SUPER I/O CONTROLLER WITH FAST IR
37C957FR ULTRA I/O CONTROLLER FOR PORTABLE APPLICATIONS
37FMA1-ABW31N SPECIAL SWITCH-PIEZO SWITCH, SPST, MOMENTARY, 0.2A, 24VDC, PANEL MOUNT-THREADED
37FML1-BEW31N SPECIAL SWITCH-PIEZO SWITCH, SPST, MOMENTARY, 0.2A, 24VDC, PANEL MOUNT-THREADED
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
37C672 制造商:SMSC 制造商全稱:SMSC 功能描述:ENHANCED SUPER I/O CONTROLLER WITH FAST IR
37C67X 制造商:SMSC 制造商全稱:SMSC 功能描述:ENHANCED SUPER I/O CONTROLLER WITH FAST IR
37C-6BH-5-5 制造商:Birtcher Products 功能描述:
37C72U-185 制造商:White-Rodgers 功能描述:
37C73U-170 制造商:White-Rodgers 功能描述: