ICM7216A Intersil Corporation, ICM7216A Datasheet - Page 16

• Manufacturer Part Number: ICM7216A
• Description: 8-digit, Multi-function, Frequency Counters/timers
• Manufacturer: Intersil Corporation

V
DD
INPUT B
74LS90 OR
F.R.
CK1 CK2
11C90
P
F
3k
RESET
QA
QC
0.1 F
10k
INPUT A
D1
D8
CK1
D2
11C90
CK2
QA
QC
OVERFLOW
INDICATOR
DP
g
d
b
e
a
c
f
8
LED
D8
a
b
c
d
e
f
g
10
11
12
13
14
1
2
3
4
5
6
7
8
9
100pF
FIGURE 20. 100MHz MULTIFUNCTION COUNTER
ICM7216A, ICM7216B, ICM7216D
ICM7216A
COMMON ANODE LED DISPLAY
D8
3k
28
27
26
25
24
23
22
21
20
19
18
17
16
15
D7
V
DD
10k
V
DD
9-25
D1
D2
D3
D4
D5
D6
D7
D8
D6
HOLD
V
DD
D5
10k
RANGE
D1
D4
10k
D2
D3
22M
4
D4
V
DD
CRYSTAL
39pF
4
10MHz
D3
D2
D3
DP
V
D1
D4
DD
30pF
TYP
D2
1k
1N914
2N2222
DISPLAY
TEST
1k
D1
D7
8
DP
V
SS
40
8