U2391B Datasheet, PDF (4/7 Pages) TEMIC Semiconductors – Quartz Controlled Pulse Generator

U2391B
Parameters
Output stage
Saturation voltages
Current limitation
Output pulse width
Voltage limitation
Reserve current
Drive current
(DI₈ during t_p)
Test Circuit
Test Conditions / Pins Symbol Min.
Typ.
Max.
Unit
Pin 3
–I_O = 100 mA, V_S = 12 V
V_O
–I_O = 75 mA, V_S = 12 V
0.5
V
0.5
V₃ = 2 V
–I_O
100
220
mA
f_osc = 32768 Hz
t_p
31.25
ms
–I_O = 1 mA
V_limit
28.8
33
V
V₃ = 12 V
I_O(R)
10
mA
V₈ = 5 V
Pin 8
DI₈
4
mA
V₈ = 12 V
10
1
10 mF
2
3
4
8
7
U2391B
6
5
110 k W
+5V
BC237
BC212
68 k W
47 kW
f_osc= 32768 Hz
f = 16 Hz
t _{p = 1:1}
T
96 11741
Figure 3. 16 Hz Test
60 s
+5V
36 s
1s
470 W
GND
1
10 mF
2
3
0.22 mF
4
U2391B
8
7 ^BC237
6
39 kW
Test clock
47 kW
82 k W
5
BC237
GND if Pin 3 = ”1”
96 11814
Figure 4. Programmed residual counter f_i= 2 kHz (Test clock)
4 (7)
TELEFUNKEN Semiconductors
Preliminary Information
Rev. A1, 30-May-96