參數(shù)資料
型號(hào): MM74C923
廠商: Fairchild Semiconductor Corporation
英文描述: 16-Key Encoder 20-Key Encoder
中文描述: 16鍵編碼器20鍵編碼器
文件頁(yè)數(shù): 7/10頁(yè)
文件大小: 114K
代理商: MM74C923
7
www.fairchildsemi.com
M
Typical Performance Characteristics
Typical I
rp
vs V
IN
at Any Y Input
Typical R
on
vs V
OUT
at Any X Output
Typical F
SCAN
vs C
OSC
Typical Debounce Period vs C
KBM
Typical Applications
Synchronous Handshake (MM74C922)
The keyboard may be synchronously scanned by omitting the capacitor at
osc. and driving osc. directly if the system clock rate is lower than 10 kHz
Synchronous Data Entry Onto Bus (MM74C922)
Outputs are enabled when valid entry is made and go into 3-STATE when
key is released.
The keyboard may be synchronously scanned by omitting the capacitor at
osc. and driving osc. directly if the system clock rate is lower than 10 kHz
相關(guān)PDF資料
PDF描述
MM74C923N 16-Key Encoder 20-Key Encoder
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MM74C923N 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 20-Key Encoder RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量(輸入/輸出):2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
MM74C923N 制造商:Fairchild Semiconductor Corporation 功能描述:IC 74C CMOS 74C923 DIP20 15V
MM74C923N_Q 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 20-Key Encoder RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量(輸入/輸出):2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
MM74C923WM 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 20-Key Encoder RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量(輸入/輸出):2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
MM74C923WM 制造商:Fairchild Semiconductor Corporation 功能描述:KEYBOARD ENCODER LOGIC IC