TC835CKW Microchip Technology, TC835CKW Datasheet - Page 9

• Manufacturer Part Number: TC835CKW
• Description: IC ADC 4 1/2DGT BCD 44-MQFP
• Manufacturer: Microchip Technology

Specifications of TC835CKW

• Display Type: LED
• Configuration: 7 Segment
• Interface: BCD
• Digits Or Characters: A/D 4.5 Digits
• Current - Supply: 1mA
• Voltage - Supply: 4 V ~ 6 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 44-MQFP, 44-PQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

5.0
The major digital subsystems within the TC835 are
illustrated in
shown in
can be displayed on LCD or LED. The digital section is
best described through a discussion of the control sig-
nals and data outputs.
FIGURE 5-1:
© 2007 Microchip Technology Inc.
DIGITAL SECTION
FUNCTIONAL DESCRIPTION
Figure
Section
Analog
From
Cross
Detect
DGND
Zero
Figure
5-2. The multiplexed BCD output data
24
Polarity
5-1, with timing relationships
FF
Digital Section Functional Diagram.
Clock
Polarity
In
22
HOLD
RUN/
MSB
Latch
25
D5
Overrange
Control Logic
Latch
Digit
27
D4
Underrange
Multiplexer
Counters
Latch
Drive
D3
28
STROBE
Latch
Signal
D2
26
Output
Data
Latch
LSB
Busy
D1
21
13 B1
14 B2
15 B4
16 B8
DS21478C-page 9
TC835