Datasheet

2
FN3158.5
November 16, 2004
Pinout
ICM7211AM (PDIP)
TOP VIEW
13
1
2
3
4
5
6
7
8
9
10
11
12
14
15
16
17
18
19
20
28
40
39
38
37
36
35
34
33
32
31
30
29
27
26
25
24
23
22
21
OSC
V
SS
CHIP SELECT 2
CHIP SELECT 1
DIGIT ADRESS BIT 2
DIGIT ADRESS BIT 1
B3
B2
B1
B0
DATA
INPUTS
V
DD
e1
g1
f1
BP
a2
b2
c2
d2
e2
g2
f2
a3
b3
c3
d3
e3
g3
f3
a4
d1
c1
b1
a1
f4
g4
e4
d4
c4
b4
Functional Block Diagram
ICM7211AM
7 WIDE DRIVER
7 WIDE LATCH EN
PROGRAMMABLE
4 TO 7 DECODER
7 WIDE DRIVER
7 WIDE LATCH EN
PROGRAMMABLE
4 TO 7 DECODER
7 WIDE DRIVER
7 WIDE LATCH EN
PROGRAMMABLE
4 TO 7 DECODER
7 WIDE DRIVER
7 WIDE LATCH EN
PROGRAMMABLE
4 TO 7 DECODER
D4
SEGMENT OUTPUTS
D3
SEGMENT OUTPUTS
D2
SEGMENT OUTPUTS
D1
SEGMENT OUTPUTS
2-BIT
DIGIT
ADRESS
INPUT
CHIP
CHIP
DATA
INPUTS
OSCILLATOR
INPUT
2 TO 4
DECODER
2-BIT
LATCH
ENABLE
4-BIT
LATCH
ENABLE
ONE
SHOT
SELECT 1
SELECT 2
BLACKPLANE
DRIVER
ENABLE
OSCILLATOR
19kHz
FREE-RUNNING
÷128
ENABLE
DIRECTOR
BP INPUT/OUTPUT
ICM7211AMICM7211AM