U4221B Datasheet, PDF (5/12 Pages) TEMIC Semiconductors – Radio Controlled Clock Receiver

U4221B
Absolute Maximum Ratings
Parameters
Supply voltage
Ambient temperature range
Storage temperature range
Junction temperature
Electrostatic handling
( MIL Standard 883°C)
Symbol
Value
Unit
V_CC
5.5
V
T_amb
–20 to +70
_C
R_stg
–30 to +85
_C
T_j
125
_C
± V_ESD
2000
V
Thermal Resistance
Thermal resistance
Parameters
Symbol
R_thJA
Value
70
Unit
K/W
Electrical Characteristics
V_CCA, V_CCD = 3.0 V, reference point Pins 3, 7, 15, input signal according to DCF 77 transmitter, T_amb = 25_C,
unless otherwise specified
Parameters
Test Conditions / Pins Symbol Min.
Typ. Max. Unit
Supply voltage range
Supply current
I_CC = I_CCA + I_CCD
Pins 9, 16 V_CCA
2.4
V_CCD
Pins 9, 16 I_CC
without reception signal
with reception signal >
20 mV OFF-mode
5.5
V
40
mA
35
mA
0.2
mA
Reception frequency range
f_in
60
Minimum input voltage
Maximum input voltage
W R_gen = 50
Pins 1,2
v W R_res 300 k , Q_res > 30
W R_gen = 50
Pins 1,2
v W R_res 300 k , Q_res > 30
V_in
V_in
40
Input capacitances to
Pins 1, 2 C_{in 1}
ground
C_{in 2}
Set-up time after POWER
t_pon
ON
80
kHz
1.5
1.75
mV
mV
1
pF
1
2.5
5
s
TIMING CODE OUTPUT; TCO
Pin 13
Output voltage
HIGH
LOW
Output current
HIGH
LOW
Decoding characteristics
input carrier reduction
100 ms input carrier
reduction 200 ms
W R_LOAD = 13 M to GND
W R_LOAD = 2.6 M to V_CCD
V_OH
V_OL
V_CCD-0.4
V_TCO = V_CCD/2
V_TCO = V_CCD/2
I_SOURCE
0.2
I_SINK
1
t₁₀₀
50
t₂₀₀
150
V
0.4
V
0.4
mA
4
mA
110
ms
230
ms
POWER ON/OFF CONTROL; PON Pin 14
Input voltage
HIGH
LOW
v^{Generator output resistance}
200 kW
V_CCD–0.4
V
0.4
V
TELEFUNKEN Semiconductors
5 (12)
Rev. A1, 15-May-96
Preliminary Information