
TC7116/A/TC7117/A
FIGURE 3-6:
TC7117/TC711A DIGITAL SECTION
TC7117
TC7117A
Typical Segment Output
V+
0.5mA
8mA
To
Segment
Digital Ground
Internal Digital Ground
Thousands
To Switch Drivers
From Comparator Output
V+
Clock
÷4
40
OSC1
39
OSC2
38
OSC3
7-Segment 7-Segment 7-Segment
Decode
Decode
Decode
Latch
Hundreds
Tens
Units
Control Logic
1 ~70kΩ
HLDR
35 V+
37
TEST
500Ω
21 Digital
GND
© 2002 Microchip Technology Inc.
DS21457B-page 11