82C79 Datasheet

Transistors (BJT) - Single


The 82C79 is a programmable keyboard/display interface. The keyboard portion can provide a scanned interface up to 64-contact key matrix. Also, the keyboard portion can interface to an array of sensors or a strobed interface keyboard. Key depressions can be 2-key lockout or N-key rollover.The display portion has 16 x 8 bits display RAM which can be treated as dual 16 X 4 bits.Both right entry and left entry display formats are possible. 82C79 Features • Simultaneous Keyboard Display operation.• Scanned Keyboard mode.• Scanned Sensor matrix mode.• Strobed Input Entry mode.• Built-in 8-Character FIFO or 64 bit Sensor RAM.• Programmable 2-key Lockout or N-key Rollover with contact debounce.• Built-in 16 X 8bit Display RAM• Programmable scan timing.• Extend operating temperature range -40 0C to + 85 0C.


[{"Name":"Current - Collector (Ic) (Max) ","Value":"500mA"},{"Name":"Voltage - Collector Emitter Breakdown (Max)","Value":"300V"},{"Name":"Vce Saturation (Max) @ Ib, Ic","Value":"500mV @ 2mA, 20mA"},{"Name":"DC Current Gain (hFE) (Min) @ Ic, Vce","Value":"40 @ 30mA, 10V"},{"Name":"Power - Max","Value":"625mW"},{"Name":"Frequency - Transition","Value":"50MHz"},{"Name":"Package / Case","Value":"TO-226-3, TO-92-3 (TO-226AA) Formed Leads"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

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