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參數資料
| 型號： | U2391B |
| 英文描述： | Quartz Controlled Pulse Generator |
| 中文描述： | 石英控制脈沖發生器 |
| 文件頁數： | 4/7頁 |
| 文件大?。?/td> | 78K |
| 代理商： | U2391B |
U2391B
TELEFUNKEN Semiconductors
Rev. A1, 30-May-96
Preliminary Information
4 (7)
Unit
Max.
Typ.
Min.
Symbol
Test Conditions / Pins
Pin 3
–I
O
= 100 mA, V
S
= 12 V
–I
O
= 75 mA, V
S
= 12 V
V
3
= 2 V
f
osc
= 32768 Hz
–I
O
= 1 mA
V
3
= 12 V
V
8
= 5 V
V
8
= 12 V
Parameters
Output stage
Saturation voltages
V
O
0.5
0.5
220
V
Current limitation
Output pulse width
Voltage limitation
Reserve current
Drive current
(
8
during t
p
)
–I
O
t
p
V
limit
I
O(R)
100
mA
ms
V
A
mA
31.25
28.8
33
10
Pin 8
4
10
Test Circuit
8
7
6
5
1
2
3
4
U2391B
f
osc
= 32768 Hz
BC237
110 k
BC212
68 k
47 k
f = 16 Hz
t
p
T
= 1:1
+ 5 V
10 F
96 11741
Figure 3. 16 Hz Test
8
7
6
5
1
2
3
4
U2391B
470
+ 5 V
10 F
96 11814
BC237
BC237
82 k
47 k
Test clock
0.22 F
GND
60 s
1 s
36 s
GND if Pin 3 = ”1”
39 k
Figure 4. Programmed residual counter f
i
= 2 kHz (Test clock)
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