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參數資料
| 型號： | TC811CPL |
| 廠商： | TelCom Semiconductor, Inc. |
| 元件分類： | 顯示驅動器 |
| 英文描述： | 3-1/2 DIGIT A/D CONVERTER WITH HOLD AND DIFFERENTIAL REFERENCE INPUTS |
| 中文描述： | 3-1/2位數的A / D持有和差分基準輸入變換器 |
| 文件頁數： | 4/12頁 |
| 文件大小： | 171K |
| 代理商： | TC811CPL |
3-140
TELCOM SEMICONDUCTOR, INC.
3-1/2 DIGIT A/D CONVERTER WITH HOLD AND
DIFFERENTIAL REFERENCE INPUTS
TC811
PIN DESCRIPTION
Pin No.
40-Pin Plastic DIP
Symbol
Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
HLDR
D
1
C
1
B
1
A
1
F
1
G
1
E
1
D
2
C
2
B
2
A
2
F
2
E
2
D
3
B
3
F
3
E
3
AB
4
POL
BP
G
3
A
3
C
3
G
2
V
–
V
INT
V
BUFF
C
AZ
V
IN
–
V
IN
+
COM
V
REF
–
C
REF
–
C
REF
+
V
REF
+
TEST
V
+
OSC
2
OSC
1
Hold pin, logic 1 holds present display reading.
Activates the D section of the units display.
Activates the C section of the units display.
Activates the B section of the units display.
Activates the A section of the units display.
Activates the F section of the units display.
Activates the G section of the units display.
Activates the E section of the units display.
Activates the D section of the tens display.
Activates the C section of the tens display.
Activates the B section of the tens display.
Activates the A section of the tens display.
Activates the F section of the tens display.
Activates the E section of the tens display.
Activates the D section of the hundreds display.
Activates the B section of the hundreds display.
Activates the F section of the hundreds display.
Activates the E section of the hundreds display.
Activates both halves of the 1 in the thousands display.
Activates the negative polarity display.
Backplane drive output.
Activates the G section of the hundreds display.
Activates the A section of the hundreds display.
Activates the C section of the hundreds display.
Activates the G section of the tens display.
Negative power supply voltage.
Integrator output, connection for C
INT
.
Buffer output, connection for R
INT
.
Integrator input, connection for C
AZ
.
Analog input low.
Analog input high.
Analog Common: Internal zero reference.
Reference input low.
Negative connection for reference capacitor.
Positive connection for reference capacitor.
Reference input high.
All LCD segment test when pulled high (V
+
).
Positive power supply voltage.
Crystal oscillator output.
Crystal oscillator input.
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