Product Summary

The TMP82C79P-2 is a programmable keyboard/display interface. The keyboard portion can provide a scanned interface up to 64-contact key matrix. Also, the keyboard portion of TMP82C79P-2 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 of TMP82C79P-2 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.

Parametrics

TMP82C79P-2 absolute maximum ratings: (1)Vcc supply voltage: -0.5 to 7.0V; (2)storage temperature range: -65 to 150 ℃; (3)input voltage: -0.5 to Vcc+0.5 V;(4)output voltage: -0.5 to Vcc+0.5 V; (5)soldering temperature: 260 ℃; (6)power dissipation: 250 mW; (7)operating temperature range: -40 to 85 ℃.

Features

TMP82C79P-2 features: (1)simultaneous keyboard display operation; (2)scanned keyboard mode; (3)scanned sensor matrix mode; (4)strobed input entry mode; (5)Built-in 8-Character FIFO or 64 bit sensor RAM; (6)programmable 2-key lockout or N-key rollover with contact debounce; (7)built-in 16 X 8bit display RAM; (8)programmable scan timing; (9)extend operating temperature range -40 to+85 ℃.

Diagrams

TMP82C79P-2 block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
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TMP82C79P-2
TMP82C79P-2

Other


Data Sheet

Negotiable 
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TMP82C54
TMP82C54

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TMP82C55A
TMP82C55A

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Data Sheet

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TMP86C420F
TMP86C420F

Toshiba

8-bit Microcontrollers (MCU) TLCS870/C M/ROM 4KRom 256 Ram

Data Sheet

0-1: $3.86
1-10: $3.08
10-100: $2.62
100-250: $2.32
TMP86C420U
TMP86C420U

Toshiba

8-bit Microcontrollers (MCU) TLCS870/C M/ROM 4KRom 256 Ram

Data Sheet

0-1: $3.38
1-10: $2.70
10-100: $2.30
100-250: $2.03
TMP86C820F
TMP86C820F

Toshiba

8-bit Microcontrollers (MCU) TLCS870/C M/ROM 8KROM 256 Ram

Data Sheet

0-1: $3.86
1-10: $3.08
10-100: $2.62
100-250: $2.32
TMP86C829U
TMP86C829U

Toshiba

8-bit Microcontrollers (MCU) TLCS870/C M/ROM 8KROM 256 Ram

Data Sheet

0-1: $6.75
1-10: $5.40
10-100: $4.59
100-250: $4.05