U4224B TEMIC Semiconductors, U4224B Datasheet - Page 7

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

TELEFUNKEN Semiconductors
Rev. A3, 02-Apr-96
Decoding characteristics
POWER ON/OFF CONTROL; PON
Input voltage
HIGH
LOW
Input current
Set-up time after PON
AGC HOLD MODE; SL
Input voltage
HIGH
LOW
Input current
Rejection of interference
signals
Parameters
JG2AS based on the values of
the application circuit
page KEIN MERKER:
TCO pulse width 200 ms
TCO pulse width 500 ms
TCO pulse width 800 ms
Delay compared with the
transient of the RF signal:
start transition (RF on)
end transition (RF off)
Required I
V
V
V
Required I
Vin = V
Vin = GND
V
using 2 crystal filters
using 1 crystal filter
f
CC
CC
CC
d
d
pin 12
= 3
– f
= 3V
= 1.5 V
= 5 V
Test Conditions / Pin
ud
m
CC
V, f
pin 15
= 625 Hz
IN
IN
d
y
y
= 77.5 kHz
0.5
0.5
m
m
A
A
Symbol
t
t
t
I
200
500
800
a
a
t
t
IN
t
e
s
f
f
V
V
CC
CC
Min.
240
420
720
1.4
10
30
- 0.2
- 0.2
Typ.
1.7
0.7
0.5
2.5
43
22
3
U4224B
V
V
CC
CC
Max.
410
490
790
110
220
0.1
2
2
- 1.2
- 1.2
Unit
7 (17)
m
m
m
m
m
ms
ms
ms
ms
ms
dB
dB
V
V
V
V
s
A
A
A
A
A