U4076B TEMIC Semiconductors, U4076B Datasheet
U4076B
Available stocks
Related parts for U4076B
U4076B Summary of contents
Page 1
... Three-Tone Ringer for Telephone Sets Description The three-tone ringing integrated circuit U4076B, in conjunction with a piezo transducer or loudspeaker replaces the normal electromechanical telephone bell operated with the ringing current from the exchange. Features D Three-tone ringing sequence with 800 Hz, 1067 Hz and 1333 Hz D Sequence frequency adjustable between 2 ...
Page 2
... U4076B Pin Description Pin Symbol Function 1 (1) Frequency monitoring Open Ground With Pin 6 (7) connected: Switched off 2, 3 Clock signal generator ( (5) Ground 5, 7 Power supply ( (7) Charging capacitor, C bridge rectifier (8, 9, Frequency oscillator 10) ...
Page 3
... Figure 2. Surge voltage test circuit Symbol Pins 5 and 7 ( " amb T stg P tot P tot Symbol R thJA R thJA U4076B = 7575 e Value Unit 125 C – – 125 C 860 mW 720 mW Value Unit ...
Page 4
... Internal voltage limitation V 6–4 (7– Repetition rate oscillator: Low state High state Allowable resistor Ordering Information Extended Type Number U4076B-FL U4076B 4 (6) Preliminary Information Symbol Min. Pins 5 and 7 (6) I 0.9 S Pins 5 and 7 ( ring Pin 6 (7) Pin 6 (7) 2 ...
Page 5
... Dimensions in mm Package: SO16-L Package: DIP14 TELEFUNKEN Semiconductors Rev. A1, 15-May-96 Preliminary Information U4076B 5 (6) ...
Page 6
... U4076B Ozone Depleting Substances Policy Statement It is the policy of TEMIC TELEFUNKEN microelectronic GmbH to 1. Meet all present and future national and international statutory requirements. 2. Regularly and continuously improve the performance of our products, processes, distribution and operating systems with respect to their impact on the health and safety of our employees and the public, as well as their impact on the environment ...