參數(shù)資料
型號: W83977TF(EOL)
英文描述: W83877TF plus KBC. CIR. RTC
中文描述: W83877TF加比聯(lián)。稅務(wù)局局長。時鐘
文件頁數(shù): 138/161頁
文件大小: 592K
代理商: W83977TF(EOL)
W83977EF/ CTF
PRELIMINARY
Publication Release Date: March 1999
-129 -
Revision A1
11.3 AC Characteristics
11.3.1 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#
Data hold from IOR#
SD to from IOR#
IRQ delay from IOR#
T
FD
CL = 100 pf
80
nS
T
DH
CL = 100 pf
10
nS
T
DF
CL = 100 pf
10
50
nS
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
Data setup time to IOW#
T
WW
60
nS
T
DW
60
nS
Data hold time from
IOW#
IRQ delay from IOW#
T
WD
0
nS
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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