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參數(shù)資料
| 型號(hào)： | MSM6542-02 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | REAL TIME CLOCK WITH PERIODIC AND ALARM OUTPUT |
| 中文描述： | 實(shí)時(shí)時(shí)鐘周期和報(bào)警輸出 |
| 文件頁(yè)數(shù)： | 32/54頁(yè) |
| 文件大小： | 378K |
| 代理商： | MSM6542-02 |
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Semiconductor
MSM6542-01/02/03
99
Sample peripheral circuits
Before using sample peripheral circuits shown below, check them against the user's system.
Power supply circuit (Place a bypass capacitor as close to the IC as possible.)
[When power is supplied from the +5V power supply]
+5.1V
A495
V
CE (sat)
= 0.1V
4.7μF
Tantalum capacitor
V
DD
V
SS
MSM6542
+ +
0.01μ
Ceramic
capacitor
+
22μ
R*
10K
51K
10K
C372
1.2 x 3 = 3.6V
Cadmium battery
When the power supply is turned off, inverse current
flows temporarily from the collector of the A495 transistor
to the emitter. To deal with this problem, use a large
value capacitance.
R*: For less than charge current limit
IS1588
V = 0.69V
F
+5.7V
Alternative circuit
C372
R
4.7μ
+
0.01μ
V
DD
GND
MSM6542
Tantalum
Ceramic
Lithium battery
R:
Limit resistance to conform to the UL standard.
The value depends on the nominal capacity of the
battery used. Consult the battery manufacture.
VF = 0.69V
or
Schottky diode
Main power
supply (5V)
Main power
supply (5V)
One-chip
voltage
detector
IC
V
DD
V
SS
CS
1
MSM6542
This circuit detects a rough voltage level.
It is suitable for a system for which the DP
bit is set at 1.
V
DD
V
SS
CS
1
MSM6542
Sample main power supply monitor circuit
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PDF描述 |
|---|---|
| MSM6542-03 | REAL TIME CLOCK WITH PERIODIC AND ALARM OUTPUT |
| MSM6545 | Operatable at 0.9 V and Built-in Buzzer Circuit 4-Bit Microcontroller |
| MSM6545L | Operatable at 0.9 V and Built-in Buzzer Circuit 4-Bit Microcontroller |
| MSM6545L-XXGS-2K | Operatable at 0.9 V and Built-in Buzzer Circuit 4-Bit Microcontroller |
| MSM6545L-XXGS-K | Operatable at 0.9 V and Built-in Buzzer Circuit 4-Bit Microcontroller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MSM6542-02RS | 制造商:ROHM Semiconductor 功能描述: |
| MSM6542-03 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:REAL TIME CLOCK WITH PERIODIC AND ALARM OUTPUT |
| MSM6544 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:42-DOT LCD DRIVER |
| MSM6544GS-2KR1 | 制造商:ROHM Semiconductor 功能描述: |
| MSM6545 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Operatable at 0.9 V and Built-in Buzzer Circuit 4-Bit Microcontroller |
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