lCM7217BlJl Intersil Corporation, lCM7217BlJl Datasheet - Page 18

• Manufacturer Part Number: lCM7217BlJl
• Description: 4-digit Led Display, Programmable Up/down Counter
• Manufacturer: Intersil Corporation

CARRY OUT
BCD OUTPUTS
HIGH ORDER DIGITS
COUNT INPUT
V+
UP/DOWN
RESET
N.O.
4
1
4 - 7
8
9
10
14
HIGH ORDER
ICM7217
25 - 28
15 - 19
21, 22
50kΩ
24
20
FIGURE 22. 8-DIGIT UP/DOWN COUNTER
4 DIGITS
D1
V+
3kΩ
V+
7 SEGMENTS
ICM7217
1A
1B
CARRY/BORROW
BCD OUTPUTS
HIGH ORDER DIGITS
CD4011
18
1
/
CD4013
4
1
/
2
CL
D
Q
COMMON-ANODE
LED DISPLAY
4
1
4 - 7
8
9
10
14
50kΩ
LOW ORDER
ICM7217
25 - 28
15 - 19
21, 22
24
20
23
4 DIGITS
V+
NPN
TRANSISTOR
7 SEGMENTS