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Pin No.
Pin Symbol
1
G N DA
2
A02
3
A03
5
A04
A0 5
6
7
A06
8
A07
9
A08
1 0
A09
1 2
A01 0
1 3
A0 1 1
1 4
VDDA
1 5
Voo
1 6
A0 1 2
1 7
TST2
1 9
TST1
20
OUT
21
Do
22
LOAD
23
DA
24
C LK
26
cs
27
A01
28
G N D
1/0
Analogue GND
-
0
0
0
0
0
0
8-bit D/A output
0
0
0
0
Analogue power
-
Logic power
-
0
8-bit D/A output
I
Test terminal 2
I
Test terminal 1
0
Monitor terminal
0
LSB bit data output of 8-bit shift register
I
Load pulse input terminal to load data of 8-bit shift register to latch
Serial data input terminal
I
LSB first 8-bit data input
Shift clock input terminal. Input signal of DA terminal of 8 - bit
I
shift register at shift clock rising.
I
Write mode protect terminal
0
8-bit D/A output
-
Logic GND
Table. 2-5. IC91 1 Terminal Specifications
- 4-22 -
Pin Description
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