U4224B TEMIC Semiconductors, U4224B Datasheet - Page 15

• Manufacturer Part Number: U4224B
• Description: Time Code Receiver
• Manufacturer: TEMIC Semiconductors

TELEFUNKEN Semiconductors
Rev. A3, 02-Apr-96
Information Regarding Japanese Transmitter
Station: JG2AS
Frequency 40 kHz
Transmitting power 10 kW
Modulation:
The carrier amplitude is 100% at the beginning of each se-
cond and is switched off after 500 ms (binary one) or after
800 ms (binary zero).
Ordering and Package Information
U4224B-CFL
U4224B-CFLG3
T4224B-CF
T4224B-CC
sec.
Example: 18.42 h
59
Extended type number
0
P0
0.5 s
minutes
0
”1”
5
1
frame reference marker (FRM)
position identifier marker P0
40 20 10
10
2
0.8 s
3
hours
”0”
15
4
minutes
20
5
8
SO 16 L plastic
SO 16 L plastic
no
no
Time Frame
Time Frame 1 Minute
6
(index count 1 second)
”P”
25
4
0.2 s
da ys
7
2
30
8
1 P1
Package
9 10 11 12 13 14 15 16 17 18 19 20
0.5 second: Binary one
0.8 second: Binary zero
0.2 second: Identifier markers P0...P5
35
Location: Sanwa, Ibaraki
Geographical coordinates: 36 _ 11’ N, 139 _ 51’ E
Time of transmission: permanent
Time Code Format:
It consists of one minute time frame. A time frame con-
tains BCD–coded information of minutes, hours and
days. In addition there are 6 position identifier markers
(P0 thruP5) and one frame reference markers (FRM) with
reduced carrier amplitude of 800 ms duration.
code
position identifier marker P1
40
dut1
20 10
45
50
Taping according to IEC–286–3
die on foil
die on tray
hours
55
8
4
0
Remarks
U4224B
2
Time Frame
5
1
P2
93 7508 e
10
15 (17)