U4224B TEMIC Semiconductors, U4224B Datasheet - Page 6

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

Electrical Characteristics
V
U4224B
Supply voltage range
Supply current
Set-up time after V
AGC AMPLIFIER INPUT; IN
Reception frequency range
Minimum input voltage
Maximum input voltage
Input capacitance to ground
TIMING CODE OUTPUT; TCO
Output voltage
HIGH
LOW
Output current
HIGH
LOW
Decoding characteristics
Decoding characteristics
6 (17)
CC
= 3 V, reference point pin 3, input signal frequency 80 kHz, T
Parameters
CC
ON
without reception signal
with reception signal = 200
OFF-mode
V
R
R
R
V
V
DCF77 based on the values of
the application circuit
page KEIN MERKER:
TCO pulse width 100 ms
TCO pulse width 200 ms
Delay compared with the
transient of the RF signal:
drop down (start transition)
rise for 100 ms pulse
(end transition)
rise for 200 ms pulse
(end transition)
WWVB 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:
drop down (start transition)
rise (end transition)
res
LOAD
LOAD
CC
TCO
TCO
= 100 k
= 1.5 V
Test Conditions / Pin
= V
= V
= 870 k
= 650 k
pin 16
pin 2
CC
CC
W
/2
/2
, Q
W
W
res
pin 1
pin 1
to GND
to V
> 30
CC
m
V
I
Symbol
SOURCE
amb
I
V
V
V
SINK
t
t
t
t
t
I
V
V
C
t
t
f
100
200
200
500
800
CC
t
t
t
OH
e1
e2
CC
t
in
OL
s
s
e
in
in
in
= 25 _ C, unless otherwise specified
V
CC
Min.
160
140
440
740
1.2
40
40
60
30
25
10
45
20
3
4
- 0.4
TELEFUNKEN Semiconductors
Typ.
190
1.5
15
80
10
12
90
2
1
Rev. A3, 02-Apr-96
Max.
5.25
130
230
200
500
800
0.1
1.5
0.4
30
25
80
60
55
30
80
45
Unit
kHz
mV
mA
mA
m
m
m
m
pF
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
V
V
V
s
A
A
A
V