參數(shù)資料
型號(hào): M80287
廠商: Intel Corp.
英文描述: 80-BIT HMOS* NUMERIC PROCESSOR EXTENSION
中文描述: 80位的保健組織*數(shù)值處理器擴(kuò)展
文件頁(yè)數(shù): 6/24頁(yè)
文件大小: 399K
代理商: M80287
M80287
A.C. CHARACTERISTICS
(Over Specified Operating Conditions)
TIMING RESPONSES
Symbol
Parameter
6 MHz
8 MHz
10 MHz
Unit Comments
-6 Min -6 Max -8 Min -8 Max -10 Min -10 Max
T
RHQZ
NPRD Inactive to Data Float
37.5
35
25
ns
(Note 2)
T
RLQV
NPRD Active to Data Valid
60
60
60
ns
(Note 3)
T
ILBH
ERROR Active to BUSY
Inactive
100
100
100
ns
(Note 4)
T
WLBV
NPWR Active to BUSY Active
100
100
100
ns
(Note 5)
T
KLML
PEACK Active to PEREQ
Inactive
127
127
127
ns
(Note 6)
T
CMDI
Command Inactive Time
Write-to-Write
Read-to-Read
Write-to-Read
Read-to-Write
95
95
95
95
95
95
95
95
75
75
75
75
ns
ns
ns
ns
At 2.0V
At 2.0V
At 2.0V
At 2.0V
T
RHCH
Data Hold from NPRD
Inactive
3
3
3
ns
(Note 7)
NOTES:
2. Float condition occurs when output current is less than I
LO
on D0–D15.
3. D0–D15 loading: CL
e
100 pF.
4. BUSY loading: CL
e
100 pF.
5. BUSY loading: CL
e
100 pF.
6. On last data transfer of numeric instruction.
7. D0–D15 loading: CL
e
100 pF.
6
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