參數(shù)資料
型號(hào): MC74HC138A
廠(chǎng)商: ON SEMICONDUCTOR
英文描述: 1 of 8 Decoder/Demultiplexer(3-8線(xiàn)譯碼器)
中文描述: 1月8解碼器/多路解復(fù)用器(3-8線(xiàn)譯碼器)
文件頁(yè)數(shù): 5/10頁(yè)
文件大?。?/td> 116K
代理商: MC74HC138A
MC74HC138A
http://onsemi.com
5
Figure 1.
50%
t
PHL
t
PLH
V
CC
GND
Figure 2.
VALID
VALID
OUTPUT Y
50%
t
f
t
r
V
CC
GND
t
PLH
t
TLH
90%
50%
10%
OUTPUT Y
INPUT CS1
t
PHL
90%
50%
10%
t
THL
INPUT A
SWITCHING WAVEFORMS
t
THL
t
TLH
V
CC
GND
t
r
t
PHL
t
PLH
OUTPUT Y
INPUT
CS2, CS3
90%
50%
10%
90%
50%
10%
Figure 3.
t
f
*Includes all probe and jig capacitance
Figure 4. Test Circuit
C
L
*
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
PIN DESCRIPTIONS
ADDRESS INPUTS
A0, A1, A2 (Pins 1, 2, 3)
Address inputs. These inputs, when the chip is selected,
determine which of the eight outputs is activelow.
CONTROL INPUTS
CS1, CS2, CS3 (Pins 6, 4, 5)
Chip select inputs. For CS1 at a high level and CS2, CS3
at a low level, the chip is selected and the outputs follow the
Address inputs. For any other combination of CS1, CS2, and
CS3, the outputs are at a logic high.
OUTPUTS
Y0 Y7 (Pins 15, 14, 13, 12, 11, 10, 9, 7)
Activelow Decoded outputs. These outputs assume a
low level when addressed and the chip is selected. These
outputs remain high when not addressed or the chip is not
selected.
相關(guān)PDF資料
PDF描述
MC74HC157A Quad 2 Input Data Selectors / Multiplexers(四2選1數(shù)據(jù)選擇器)
MC74HC174A Hex D Flip-Flop with Common Clock and Reset(帶公共時(shí)鐘和復(fù)位的六D觸發(fā)器)
MC74HC175A Quad D Flip Flop with Common Clock and Reset(四上升沿D觸發(fā)器(有清除端))
MC74HC1G02 Single 2-Input NOR Gate(單2輸入或非門(mén))
MC74HC244A Octal 3 State Noninverting Buffer/Line Driver/Line Receiver(八總線(xiàn)緩沖器(三態(tài)同相輸出))
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC74HC138AD 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 2-6V 1-of-8 Decoder RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線(xiàn)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
MC74HC138ADG 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 2-6V 1-of-8 Decoder RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線(xiàn)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
MC74HC138ADR2 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 2-6V 1-of-8 Decoder RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線(xiàn)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
MC74HC138ADR2G 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 2-6V 1-of-8 Decoder RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線(xiàn)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
MC74HC138ADR2G-CUT TAPE 制造商:ON 功能描述:MC74HC138A Series 2 to 6 V CMOS 1-of-8 Decoder/Demultiplexer - SOIC-16