U2390B, U2390BA, U2391B Selling Leads, Datasheet
MFG:TFK Package Cooled:DIP-8 D/C:05+
U2390B, U2390BA, U2391B Datasheet download
Part Number: U2390B
MFG: TFK
Package Cooled: DIP-8
D/C: 05+
U2390B, U2390BA, U2391B
- Table of contents:
Info of U2390B
Info of U2390BA
Info of U2391B
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About U2300B-FP
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Datasheet: U2300B-FP
File Size: 142362 KB
Manufacturer:
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About U2300B-FP
PDF/DataSheet Download
Datasheet: U2300B-FP
File Size: 142362 KB
Manufacturer:
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About U2391B
PDF/DataSheet Download
Datasheet: U2391B
File Size: 80697 KB
Manufacturer: TEMIC [TEMIC Semiconductors]
Download : Click here to Download
U2391B General Description
The monolithic integrated bipolar circuit, U2391B, is designed as a quartz controlled pulse generator. The tristate input enables the selection of different pulse period durations. The internal switch-on monitoring achieves the start up of the IC when the power-on occurs.The output pulse can supply a drive signal upto 150 mA, which is short circuit protected
U2391B Maximum Ratings
|
Parameters |
Symbol |
Value |
Unit |
| Supply current Pin 8 t 3 10 s |
IS |
30 |
mA
|
|
is |
150 | ||
| Supply voltage Pin 8 without series resistance |
VS |
13.2 |
V |
| Voltages | |||
| Selection logic Pin 1 |
V1 |
0 to VS |
V
|
| Control logic Pin 4 |
V4 |
0 to VS | |
| Output stage, without protection circuit Pin 3 |
V3 |
28.8 | |
|
Currents
| |||
| Test logic Pin 7 |
I7 |
± 100 |
A |
| Oscillator Pin 5, 6 |
Iosc |
± 100 |
A |
| Output stage t 1 ms Pin 3 |
I3 |
300 |
mA |
| Power dissipation | |||
| Tamb = 45°C Tamb = 85°C |
Ptot |
270 |
mW |
|
135 | |||
| Junction temperature |
Tj |
125 |
°C |
| Ambient temperature |
Tamb |
0 to +100 |
°C |
| Storage temperature |
Tstg |
40 to +125 |
°C |
U2391B Features
` Standard quartz fosc = 32.768 kHz
` Minimum operating voltage 4.5 V/1.5 mA
` Pulse width, tp = 31.25 ms
` Power stage with current limitation: typical 150 mA
` Tristate period selection: 1/36/60 s
` Reset and disable possibility
` Operation with C 33 pF, as operational time counter possible
` Minimum dimensions due to SO-case
U2391B Typical Application
Operational time counter
U2391B Connection Diagram
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