TC7135CBU(2002) 데이터 시트보기 (PDF) - Microchip Technology
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TC7135CBU Datasheet PDF : 22 Pages
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TC7135
5.0 DIGITAL SECTION
FUNCTIONAL DESCRIPTION
The major digital subsystems within the TC7135 are
illustrated in Figure 5-1, with timing relationships
shown in Figure 5-2. The multiplexed BCD output data
can be displayed on LCD or LED displays. The digital
section is best described through a discussion of the
control signals and data outputs.
FIGURE 5-1:
DIGITAL SECTION FUNCTIONAL DIAGRAM
Polarity
D5
MSB
From
Analog
Section
D4
Digit
D3
Drive
Multiplexer
D2
Signal
D1
LSB 13 B1
14 B2
Data
Output
15 B4
16 B8
Polarity
FF
Latch
Latch
Latch
Latch
Latch
Zero
Cross
Detect
Counters
Control Logic
24
DGND
22
Clock
In
25
RUN/
HOLD
27
28
Overrange Underrange
26
STROBE
21
Busy
© 2002 Microchip Technology Inc.
DS21460B-page 9
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