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參數資料
型號: W83877AF
廠商: WINBOND ELECTRONICS CORP
元件分類: 外設及接口
英文描述: Multi-Function I/O Port Controller(多功能輸入/輸出口控制器)
中文描述: MULTIFUNCTION PERIPHERAL, PQFP100
封裝: QFP-100
文件頁數: 145/171頁
文件大小: 1634K
代理商: W83877AF
W83877AF
Publication Release Date: Sep. 1996
Preliminary Version 0.50
- 143 -
9.3 AC Characteristics
9.3.1 FDC: Data rate = 1 MB/500 KB/300 KB/250 KB/sec.
PARAMETER
SYM.
TEST
CONDITIONS
MIN.
TYP.
(NOTE 1)
MAX.
UNIT
SA9-SA0, AEN, DACK,
CS, setup time to IOR
T
AR
25
nS
SA9-SA0, AEN, DACK,
hold time for IOR
T
AR
0
nS
IOR width
T
RR
80
nS
Data access time from
IOR
T
FD
CL = 100 pf
80
nS
Data hold from IOR
T
DH
CL = 100 pf
10
nS
SD to from IOR
T
DF
CL = 100 pf
10
50
nS
IRQ delay from IOR
T
RI
360/570
/675
nS
SA9-SA0, AEN, DACK,
setup time to IOW
T
AW
25
nS
SA9-SA0, AEN, DACK,
hold time for IOW
T
WA
0
nS
IOW width
T
WW
60
nS
Data setup time to IOW
T
DW
60
nS
Data hold time from
IOW
T
WD
0
nS
IRQ delay from IOW
T
WI
360/570
/675
nS
DRQ cycle time
T
MCY
27
μ
S
nS
DRQ delay time DACK
T
AM
50
DRQ to DACK delay
T
MA
0
nS
DACK width
T
AA
260/430
/510
nS
IOR delay from DRQ
T
MR
0
nS
IOW delay from DRQ
T
MW
0
nS
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