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參數資料
| 型號： | MM58167 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Microprocessor Real Time Clock |
| 中文描述： | 微處理器實時時鐘 |
| 文件頁數： | 8/10頁 |
| 文件大小： | 173K |
| 代理商： | MM58167 |
Typical Applications
R1
e
20 M
X
g
20%
C1
e
6 pF
b
36 pF
R2 to be selected
based on crystal used.
TL/F/11070–8
Note 5:
A ground line or ground plane guard trace should be included between pins 9 and 10 to insure the oscillator is not disturbed by the address line.
FIGURE 5. Typical Connection Diagram
TL/F/11070–9
Note 6:
Must use 8238 or equivalent logic to insure advanced I/OW pulse; so that the ready output of the MM58167B is valid by the end of
w
2 during the T2
microcycle.
Note 7:
t
w
2
t
t
RS8080
a
t
DL8238
a
t
WRY58167B
.
FIGURE 6. 8080 System Interface with Battery Backup
8
相關PDF資料 |
PDF描述 |
|---|---|
| MM58167B | Microprocessor Real Time Clock |
| MM58167BN | Microprocessor Real Time Clock |
| MM58167BV | Microprocessor Real Time Clock |
| MM58174 | Microprocessor-Compatible Real-Time Clock |
| MM58174A | Microprocessor-Compatible Real-Time Clock |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MM58167AN | 制造商:Texas Instruments 功能描述: |
| MM58167B | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Microprocessor Real Time Clock |
| MM58167BN | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Microprocessor Real Time Clock |
| MM58167BV | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Microprocessor Real Time Clock |
| MM58174 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Microprocessor-Compatible Real-Time Clock |
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