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參數(shù)資料
| 型號： | MSM6242BRS |
| 廠商： | LAPIS SEMICONDUCTOR CO LTD |
| 元件分類： | 時鐘/數(shù)據(jù)恢復及定時提取 |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDIP18 |
| 封裝： | 0.300 INCH, 2.54 MM PITCH, PLASTIC, DIP-18 |
| 文件頁數(shù)： | 9/24頁 |
| 文件大?。?/td> | 293K |
| 代理商： | MSM6242BRS |
OKI Semiconductor
MSM6242B
16/23
FEDL6242B-02
TYPICAL APPLICATIONS — INTERFACE WITH MSM80C49
Figure 18
INT
ALE
RD
WR
MSM
80C49RS
DB0
DB1
DB2
DB3
DB7
VDD
P17
VSS
10
k
W
TR1
VDD
SDT.P
ALE
RD
WR
MSM
6242BRS
A/D0
A/D1
A/D2
A/D3
CS0
CS1
20
820
W
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
18 k
W
LITHIUM
BATTERY
5
3.9 V
100
F
5(VFWD ≤ 0.3 V)
i.e. GERMANIUM
4.553 kHz
2
3
15 pF
5 to 35 pF
22 pF
4.7
F (tantalum)
40
1
38
TR2
220
W
1.8 k
W
1.8 k
W
1.8 k
W
TR3
5
1.8 k
W
1.8 k
W
10
F
5.2 V
TR1 = 2N2907
TR2 = 2N2907
TR3 = 2N2222
5 = 1N4148
RS232
INTERFACE
2
3
7
5
20
RS232
DB25
CONNECTOR
220
W
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