參數(shù)資料
型號: MX98905B
廠商: Electronic Theatre Controls, Inc.
英文描述: The MX98905 is designed for easy implementation of CSMA/CD local area networks,
中文描述: 該MX98905是專為易于實(shí)現(xiàn)的多址/光盤局域網(wǎng),
文件頁數(shù): 80/86頁
文件大?。?/td> 352K
代理商: MX98905B
80
P/N: PM0365
REV. 1.3, NOV 20 ,1995
MX98905B
AC CHARACTRISTICS
(Continued)
SYMBOL
PARAMETER
8 BIT
16 BIT
UNIT
MIN.
MAX.
MIN.
MAX.
T15
BALE asserted before MRDL, MWRL
25
ns
asserted
T16
MRDL, MWRL deasserted before next BALE
20
ns
asserted
T17
CHRDY asserted to SD0-15 I/O read data
60
60
ns
valid (Notes 2, 3, & 6)
T18
IORDL, IOWRL negated before AEN invalid
25
50
ns
T19
AEN valid before BALE deassereted
50
25
ns
T20
IORDL asserted to SD0-15 read data valid
(Notes 3 & 7)
150
150
ns
T21
LA17-23 valid before BALE negated
T22
BALE negated before LA17-23 invalid
T23
LA17-23 valid before MRDL, MWRL asserted
T24
Read data valid on MSD0-15 to valid on
SD0-15
40
40
ns
T25
MSRDL deasserted to MSD0-15 read
0
0
ns
data Invalid (Note 3)
T26
Write data valid on SD0-15 to valid on
30
30
ns
MEMD0-15
T27
SA0-19 valid to /RCS XL or /BPCSL asserted 40
40
ns
(Note 11)
T28
MRDL, MWRL asserted to MSRDL, MSWRL
30
30
ns
asserted
T29
SA0-19 valid to MEMA1-15 valid
30
30
ns
T30
SA0-19 invalid to RCSXL or BPCSL negated 30
20
ns
(Note 11)
T31
MRDL, MWRL deasserted to MSRDL,
0
30
0
45
ns
MSWRL deasserted
T32
MSWRL deasserted to MEMA1-15
10
10
ns
invalid
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