參數(shù)資料
型號: MSM6242BGS
廠商: OKI ELECTRIC INDUSTRY CO LTD
元件分類: 時鐘/數(shù)據(jù)恢復及定時提取
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO24
封裝: 0.430 INCH, PLASTIC, SOP-24
文件頁數(shù): 7/18頁
文件大小: 177K
代理商: MSM6242BGS
Semiconductor
MSM6242B
37
TYPICAL APPLICATIONS — INTERFACE WITH MSM80C49
Figure 18.
INT
ALE
RD
WR
MSM
80C49RS
DB0
DB1
DB2
DB3
DB7
VDD
P17
VSS
10K
TR1
VDD
SDT.P
ALE
RD
WR
MSM
6242BRS
A/D0
A/D1
A/D2
A/D3
CS0
CS1
20
820
34
12
13
14
15
19
4/14
5/13
6/12
7/11
2
15
6
11
8
10
1
3
8
10
X1
X2
VCC
T0
P27
VSS
9
17
16
XT
32.768 KHz
DIODE
18
5
26
18K
LITHIUM
BATTERY
5
3.9V
100f
5(VFWD = < 0.3V)
i.e. GERMANIUM
4.553 KHz
2
3
15pf
5-35pf
22pf
4.7f (tantalum)
40
1
38
TR2
220
1.8K
TR3
5
1.8K
10f
5.2V
TR1 = 2N2907
TR2 = 2N2907
TR3 = 2N2222
5 = 1N4148
RS232
INTERFACE
2
3
7
5
20
RS232
DB25
CONNECTOR
220
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