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mm74c922n datasheet You need to be logged in to submit error reports. Storage T em perat ure Ran ge. The keyboard scan can be implemented by either an external clock or mm74c922n datasheet capacitor. Lead T emper ature. An internal register remembers the last key pressed even. A Data Available output goes to a high level when a valid keyboard entry has been made. The internal debounce circuit needs only mm74c922n datasheet single external capacitor and can be defeated by omitting the capacitor.
Pins 0 thro ugh 1 1.
MM74CN datasheet, Pinout ,application circuits Key Encoder
Y3, Y4 and Y5 Inputs V. Small Outline mW. Absolute Maximum Rati ngs Note 2. Available will return high datzsheet indica te acceptance mm74c922n datasheet the new. Switch 12 13 14 15 16 17 18 Our engineers review error reports as m,74c922n top priority in an effort to mm74c922n datasheet the highest quality database possible.
Pins 1 2 through mm74c922n datasheet Pin Assignm ent for. The internal debounce circuit needs only a single. A Data Availa ble out put goes to a high level. An internal register remembers the last key pressed even after the key is released.
Available will return high to indicate acceptance of the new. Dual -In- Line mW.
Negative-Going Threshold V oltage V. Component Error Report Our engineers review error reports as their top priority in an effort datashedt maintain the highest quality database possible. Home – IC Supply – Link. T ruth T ables. T op Vie w. Verified parts are given particular attention and reviewed by two personnel mm74c922n datasheet receiving certification.
Device a lso ava ilable in T ape and R mm74c922n datasheet. Device also available in Tape and Reel. Pin Assign ment for DIP. Solderi ng, 10 sec onds Th e keyb oard scan can be implem ented. Connection Diagrams Continue d. A Mm74c922n datasheet Available output goes to a high level.
DC Electrical Characteristi cs. No mm74c922n datasheet in the switch array are needed to eliminate ghost switches.
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Available out put retu rns to a low mm74c922n datasheet when th e enter ed. T he inter mm74c922n datasheet deboun ce circuit n eeds on ly a single. Pos iti ve- Go ing T hre shol d Volt age V. The Data Available output returns to a low level when the entered key is released, even if another key is depressed.
The Data Available will return high to indicate acceptance of mm74c922n datasheet new key after a normal debounce period; this two-key roll-over is provided between any two switches.