Search by part number and manufacturer or description
1 VDD Positive Power Supply 2 TONE This input has an internal pull-up resistor to VDD. When connected to VSS no DISABLE tones are generated by ant key depression allowing the keyboard to be used for purposes other than DTMF signalling. 3,4,5,9 6 7,8 Column 1-4 VSS OSC In, OSC Out These C.
s Pin-for-Pin Replacement for MK5089 s Low Standby Power s Minimum External Parts Count s 2.75V to 10V Operatlon s 2-of-8 Keyboard Input s High Accuracy Tones Provided by 3.58MHz Crystal Oscillator s Pin-Selectable Inhibit of Single Tone Generation Figure 1: Pin connections - top view APPLICATIONS DTMF Signalling for s Telephone Sets s Mobile Radio s Remote Control s Point-of-Sale and Banking Terminals s Process Control VDD OSC OUT OSC IN VSS { ROW INPUTS 1 23 4 SINGLE TONE INHIBIT RR RR RR RR KEYBOARD LOGIC VSS VDD ROW COUNTER รท4 COLUMN COUNTER KEYBOARD LOGIC VDD RC RC RC RC SINE WA.
| Distributor | Stock | Price | Buy |
|---|
| No. | Part # | Manufacture | Description | Datasheet |
|---|---|---|---|---|
|
|
|
GEC Plessey |
DTMF GENERATOR |
|
|
|
|
Plessey |
DTMF Generator |
|
|
|
|
Fairchild Semiconductor |
Red GaAsP LED Lamps |
|
|
|
|
Fairchild Semiconductor |
Red GaAsP LED Lamps |
|
|
|
|
Fairchild Semiconductor |
Red GaAsP LED Lamps |
|
|
|
|
Fairchild Semiconductor |
Standard RED Solid State Lamps |
|
|
|
|
Fairchild Semiconductor |
Red GaAsP LED Lamps |
|
|
|
|
Fairchild Semiconductor |
Standard RED Solid State Lamps |
|
|
|
|
Fairchild Semiconductor |
Red GaAsP LED Lamps |
|
|
|
|
Fairchild Semiconductor |
Red GaAsP LED Lamps |
|
|
|
|
Fairchild Semiconductor |
Red GaAsP LED Lamps |
|
|
|
|
Fairchild Semiconductor |
Standard RED Solid State Lamps |
|
|
|
|
Fairchild Semiconductor |
Standard RED Solid State Lamps |
|
|
|
|
Fairchild Semiconductor |
Standard RED Solid State Lamps |
|
|
|
|
Fairchild Semiconductor |
Wide-Angle Red GaAsP LED Lamps |
|
Click to view a larger image
