U4221B TEMIC Semiconductors, U4221B Datasheet - Page 7

• Manufacturer Part Number: U4221B
• Description: Radio Controlled Clock Receiver
• Manufacturer: TEMIC Semiconductors

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TELEFUNKEN Semiconductors
Rev. A1, 15-May-96
Application Circuit for DCF 77.5 kHz
Application Circuit for WWVB 60 kHz
Ferrite Antenna
Ferrite Antenna
77.5 kHz
60 kHz
220 nF
220 nF
47 nF
47 nF
1
4
5
6
7
8
1
4
5
6
7
8
2
3
2
3
U 4221 B
U 4221 B
Preliminary Information
16
16
15
14
13
15
14
13
12
11
10
12
11
10
9
9
+V
+V
CC
CC
PON
TCO
PON
TCO
CONTROL LINES
CONTROL LINES
MICROCOMPUTER
MICROCOMPUTER
DISPLAY
DISPLAY
U4221B
KEYBOARD
KEYBOARD
93 7504 e
94 7906 e
7 (12)
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