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參數(shù)資料
| 型號： | MM58167BV |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | XO, clock |
| 英文描述： | Microprocessor Real Time Clock |
| 中文描述： | 0 TIMER(S), REAL TIME CLOCK, PQCC28 |
| 封裝： | PLASTIC, LCC-28 |
| 文件頁數(shù)： | 7/10頁 |
| 文件大?。?/td> | 173K |
| 代理商： | MM58167BV |
Write Cycle Timing
0
§
C
s
T
A
s
70
§
C, 4.5V
s
V
DD
s
5.5V, V
SS
e
0V
Symbol
Parameter
Min
Max
Units
t
AW
Address Valid to Write Strobe
100
ns
t
CSW
Chip Select to Write Strobe
0
ns
t
DW
Data Valid before Write Strobe
100
ns
t
WRY
Write Strobe to Ready Strobe
150
ns
t
RY
Ready Strobe Width
800
ns
t
RYH
Write Hold Time after Ready Strobe
0
ns
t
WD
Data Hold Time after Write Strobe
110
ns
t
WA
Address Hold Time after Write Strobe
50
ns
Note 4:
If data changes while CS and WR are low, then they must remain coincident for 1050 ns after the data change to ensure a valid write. Data bus loading is
100 pF. Ready output loading is 50 pF and 3 k
X
pull-up.
Input and output AC timing levels:
Logical one
e
2.0V
Logical zero
e
0.8V
Read and Write Cycle Timing Diagrams
TL/F/11070–6
FIGURE 3. Read Cycle Timing
TL/F/11070–7
FIGURE 4. Write Cycle Timing
7
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PDF描述 |
|---|---|
| MM58174 | Microprocessor-Compatible Real-Time Clock |
| MM58174A | Microprocessor-Compatible Real-Time Clock |
| MM58174AN | Microprocessor-Compatible Real-Time Clock |
| MM58241 | MM58241 High Voltage Display Driver |
| MM58241N | MM58241 High Voltage Display Driver |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MM58174 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Microprocessor-Compatible Real-Time Clock |
| MM58174A | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Microprocessor-Compatible Real-Time Clock |
| MM58174AN | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Microprocessor-Compatible Real-Time Clock |
| MM58201 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Multiplexed LCD Driver |
| MM58241 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:MM58241 High Voltage Display Driver |
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