KEY ROLLOVER Search Results

key encoder

Abstract: SNOS345A Key rollover 16-Key Encoder
Contextual Info: MM54C922,MM54C923,MM74C922,MM74C923 MM54C922 MM74C922 16-Key Encoder MM54C923 MM74C923 20-Key Encoder Literature Number: SNOS345A MM54C922 MM74C922 16-Key Encoder MM54C923 MM74C923 20-Key Encoder General Description An internal register remembers the last key pressed even

LM78L05acza

Abstract: QPROX pin function of ic 7493 mutual capacitance touch screens 2000 QUANTUM CAPACITIVE Quantum Research Group 2N4401 78L05 pin diagram of ic 7493 BAV99
Contextual Info: QT60040 LQ 4-KEY CHARGE-TRANSFER IC Creates 4 ‘touch buttons’ through any dielectric Only 1 inexpensive capacitor required Simple 4x1 matrix key geometry 100% drift compensation for lifetime reliability '2' key rollover: senses any 2 keys at same time

1N4001 general diode sample

Abstract: water level sensor schematic diagram Quantum Research Group object counter circuit rx-2cs diode 1N4001 specifications 1N4001 M1 CHARGE-TRANSFER TOUCH SENSOR 78L05 regulator capacitive touch screen
Contextual Info: QMatrix ™ QT60040 4-KEY CHARGE-TRANSFER IC ! ! ! ! ! ! ! ! ! ! ! ! Creates 4 ‘touch buttons’ through any dielectric Only 1 inexpensive capacitor required Simple 4x1 matrix key geometry 100% drift compensation for lifetime reliability '2' key rollover: senses any 2 keys at same time

MM74C922

Abstract: MM74C922N MM74C923WM MM74C923N key encoder MM74C923 MM74C922WM MS-013 DS006037 16 KEY ENCODERS
Contextual Info: Revised April 2001 MM74C922 • MM74C923 16-Key Encoder • 20-Key Encoder General Description Features The MM74C922 and MM74C923 CMOS key encoders provide all the necessary logic to fully encode an array of SPST switches. The keyboard scan can be implemented

Contextual Info: Semiconductor July 1993 MM54C922/MM74C922 16-Key Encoder MM54C923/MM74C923 20-Key Encoder General Description These CMOS key encoders provide all the necessary logic to fully encode an array of SPST switches. The keyboard scan can be implemented by either an external clock or

MM94C922

Abstract: MM74C922N MM74C922 MM74C923N MM74C923 MM74C923WM MM74C922WM MS-001 N18A key encoder
Contextual Info: Revised January 1999 MM74C922 • MM74C923 16-Key Encoder • 20-Key Encoder General Description The MM74C922 and MM74C923 CMOS key encoders provide all the necessary logic to fully encode an array of SPST switches. The keyboard scan can be implemented by either an external clock or external capacitor. These

hex keyboard

Abstract: G80-0488
Contextual Info: Issued July 1988 A9091 G80-0488keyboard Stocknumber 650-863 The RS G80-0488 keyboard is a general purpose full ASCII encoded keyboard, supplied housed and with 65 keys. The keyboard has durable 2-shot moulded key caps with the keys featuring 2-key rollover. Each

ksda

Abstract: bu1851 U1851
Contextual Info: GPIO ICs Series Key Encoder IC No.09098EAT03 BU1851GUW ●Description Key Encoder IC can monitor up to 8x8 matrix 64 keys , which means to be adaptable to Qwerty keyboard. We adopt the architecture that the information of the only key which status is changed, like push or release, is encoded into the 8 bits

Contextual Info: GPIO ICs Series Key Encoder IC No.09098EAT03 BU1851GUW ●Description Key Encoder IC can monitor up to 8x8 matrix 64 keys , which means to be adaptable to Qwerty keyboard. We adopt the architecture that the information of the only key which status is changed, like push or release, is encoded into the 8 bits

mm74c922

Abstract: 74CD4 MM54C922 MM54C923 MM74C923 Key rollover MM74C922N 74CD
Contextual Info: July 1993 MM54C922/MM74C922 16-Key Encoder MM54C923/MM74C923 20-Key Encoder General Description T hese C M OS key encoders provide all th e necessary logic to fu lly encode an array o f SPST sw itches. The keyboard scan can be im plem ented b y e ither an external clo c k or

m74c922

Abstract: MM74C923WM DS006037 MM74C922 MM74C922N MM74C922WM MM74C923 MM74C923N MS-001 MS-013
Contextual Info: O ctober 1987 Revised January 1999 S E M IC O N D U C TO R T M MM74C922 • MM74C923 16-Key Encoder • 20-Key Encoder General Description T h e M M 74C 922 and M M 74C 923 C M O S key encoders pro­ vide all the necessary logic to fully encode an array of

STB 34

Contextual Info: Data Pack A Data Sheet Issued March 1997 232-3030 G80-0488 keyboard RS stock number 650-863 The RS G80-0488 keyboard is a general purpose full ASCII encoded keyboard, supplied housed and with 65 keys. The keyboard has durable 2-shot moulded key caps with the keys featuring 2-key rollover. Each

mm74c922n

Abstract: MM74C923 key encoder MM74C922M MM74C923M MM74C922J MM54C922N MM54C922J MM54C923 MM54C923J
Contextual Info: MM54C922 MM74C922 16-Key Encoder MM54C923 MM74C923 20-Key Encoder General Description These CMOS key encoders provide all the necessary logic to fully encode an array of SPST switches The keyboard scan can be implemented by either an external clock or external capacitor These encoders also have on-chip pullup devices which permit switches with up to 50 kX on resistance to be used No diodes in the switch array are needed

mm74c922n

Abstract: 4 bit decoder 16 KEY ENCODERS MM74C922M C1995 J18A MM54C922 MM54C922J MM74C923N MM54C923J
Contextual Info: MM54C922 MM74C922 16-Key Encoder MM54C923 MM74C923 20-Key Encoder General Description These CMOS key encoders provide all the necessary logic to fully encode an array of SPST switches The keyboard scan can be implemented by either an external clock or external capacitor These encoders also have on-chip pullup devices which permit switches with up to 50 kX on resistance to be used No diodes in the switch array are needed

54C922

Abstract: MM74C923 16-key encoder MM74C922N MM54C922J 16-KEY 5962-87521 MM74C922J 16 key encoder
Contextual Info: MM54C922 MM74C922 16-Key Encoder MM54C923 MM74C923 20-Key Encoder General Description These CMOS key encoders provide all the necessary logic to fully encode an array of SPST switches The keyboard scan can be implemented by either an external clock or external capacitor These encoders also have on-chip pullup devices which permit switches with up to 50 kX on resistance to be used No diodes in the switch array are needed

Contextual Info: STMPE2403 24-bit Enhanced port expander with Keypad and PWM controller Xpander logic Features • 24 GPIOs ■ Operating voltage 1.8V ■ Hardware key pad controller 8*12 matrix max ■ 8 Special Function Key support ■ 3 PWM (8 bit) output for LED brightness control

i2c keypad

Abstract: KPY10 STMPE2401 STMPE2403 STMPE2403TBR Keypad Controller M1C1 M1C-1 N5863
Contextual Info: STMPE2403 24-bit Enhanced port expander with Keypad and PWM controller Xpander logic Features • 24 GPIOs ■ Operating voltage 1.8V ■ Hardware key pad controller 8*12 matrix max ■ 8 Special Function Key support ■ 3 PWM (8 bit) output for LED brightness control

Contextual Info: STMPE2403 24-bit Enhanced port expander with Keypad and PWM controller Xpander logic Features • 24 GPIOs ■ Operating voltage 1.8V ■ Hardware key pad controller 8*12 matrix max ■ 8 Special Function Key support ■ 3 PWM (8 bit) output for LED brightness control

resistance 10k ohm

Abstract: MM54C923 MM54C923J-MIL
Contextual Info: MICROCIRCUIT DATA SHEET Original Creation Date: 10/26/95 Last Update Date: 05/19/97 Last Major Revision Date: 04/02/97 MNMM54C923-X REV 1A0 20-KEY ENCODER General Description These CMOS key encoders provide all the necessary logic to fully encode an array of SPST

MM54C922J

Abstract: MM54C922J/883 5962-8752101VA MM54C922 MNMM54C922-X 5962-87521 16 key encoder
Contextual Info: MICROCIRCUIT DATA SHEET Original Creation Date: 10/26/95 Last Update Date: 05/19/97 Last Major Revision Date: 04/02/97 MNMM54C922-X REV 1A0 16-KEY ENCODER General Description These CMOS key encoders provide all the necessary logic to fully encode an array of SPST

0105 0003

Abstract: lcd LM032L AN582 k3303 lm032l lcd 16C74 1d msd LM032L NC26 NC38
Contextual Info: M Author: AN582 Low-Power Real-Time Clock the selected units values are displayed. Upon key release, the Timer counts out one second and begins flashing the selected units. The CLR_MIN Key S3 clears the minutes and seconds. CLR_MIN is useful for exactly setting the time

74C923

Abstract: m74c922 mm74c923wm 1115Y1 oc203 IC 74C923 MM74C923N
Contextual Info: I R C H I L D October 1987 Revised January 1999 SEMICONDUCTOR TM General Description Features • 50 kQ maximum switch on resistance ■ On-chip row pull-up devices ■ 2 key roll-over ■ Keybounce elimination with single capacitor ■ Last key register at outputs

1F7 1f8 1f9

Abstract: ic laf 001 capacitive keyboard AY-3-4592-STD U3091 laf 001 Z010U ck oca
Contextual Info: .[ NI.RA1 IN SiRLM l M AY-3-4592 Capacitive Keyboard Encoder READ ONLY M E M O R Y FEATURES • 128 Key Keyboard Encoder: 112 Fully Decoded Keys, 16 Discrete Function Keys ■ 112 Keys With 4 Modes, 10 Bit Output ■ Key Validation Logic Protects Against Bounce

intel 8276

Abstract: Interfacing and Matrix Keyboard 8085 8085 WORD DOC intel 8048 keyboard "capacitive keyboard" intel d 8278 n-key rollover 8048 keyboard Microprocessor 8048 processor 8048
Contextual Info: intel 8278 PROGRAMMABLE KEYBOARD INTERFACE Simultaneous Keyboard and Display Operations • N-Key Rollover with Programmable Error Mode on M ultiple New Closures Interface Signals for Contact and Capacitive Coupled Keyboards ■ 16-Character 7-Segment Display