參數(shù)資料
型號: INTELDX4
廠商: Intel Corp.
英文描述: Embedded Write-Back Enhanced Processor(32位回復嵌入式增強型處理器)
中文描述: 嵌入式回寫增強型處理器(32位回復嵌入式增強型處理器)
文件頁數(shù): 37/50頁
文件大?。?/td> 534K
代理商: INTELDX4
Embedded Write-Back Enhanced IntelDX4 Processor
33
5.3
AC Specifications
The AC specifications for the Embedded Write-Back Enhanced IntelDX4 processor are given in this section.
Table 20. AC Characteristics
V
= 3.3 V ± 0.3 V; V
= 5 V
±
0.25 V (Note 1)
T
CASE
= 0
°
C to +85
°
C; C
L
= 50pF, unless otherwise specified. (Sheet 1 of 2)
Symbol
Parameter
Product
WB75
WB100
Min
Max
Min
Max
Unit
Figure
Notes
CLK Frequency
8
25
8
33
MHz
Note 2
t
1
t
1a
CLK Period
40
125
30
125
ns
4
CLK Period Stability
±
250
±
250
ps
4
Adjacent
clocks
Note 3
t
2
CLK High Time
14
11
ns
4
at 2V
t
3
t
4
t
5
CLK Low Time
14
11
ns
4
at 0.8V
CLK Fall Time
4
3
ns
4
2V to 0.8V
CLK Rise Time
4
3
ns
4
0.8V to 2V
t
6
A31–A2, PWT, PCD, BE3–BE0#,
M/IO#, D/C#, W/R#, ADS#, LOCK#,
FERR#, CACHE#, HITM#, BREQ,
HLDA Valid Delay
3
19
3
14
ns
8
t
7
A31–A2, PWT, PCD, BE3–BE0#,
M/IO#, D/C#, W/R#, ADS#, LOCK#,
CACHE# Float Delay
28
20
ns
9
Note 3
t
8
t
8a
PCHK# Valid Delay
3
24
3
14
ns
7
BLAST#, PLOCK#, SMIACT# Valid
Delay
3
24
3
14
ns
8
t
9
t
10
BLAST#, PLOCK# Float Delay
28
20
ns
9
Note 3
D31–D0, DP3–DP0 Write Data Valid
Delay
3
20
3
14
ns
8
t
11
D31–D0, DP3–DP0 Write Data Float
Delay
28
20
ns
9
Note 3
t
12
t
13
EADS#, INV Setup Time
8
5
ns
5
EADS#, INV Hold Time
3
3
ns
5
t
14
KEN#, BS16#, BS8#, WB/WT# Setup
Time
8
5
ns
5
t
15
KEN#, BS16#, BS8#, WB/WT# Hold
Time
3
3
ns
5
t
16
RDY#, BRDY# Setup Time
8
5
ns
6
t
17
RDY#, BRDY# Hold Time
3
3
ns
6
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