參數(shù)資料
型號(hào)： MC74HC244ADT
廠商： MOTOROLA INC
元件分類： 通用總線功能
英文描述： Octal 3-State Noninverting Buffer/Line Driver/Line Receiver
中文描述： HC/UH SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20
封裝： PLASTIC, TSSOP-20
文件頁數(shù)： 4/7頁
文件大?。?/td> 258K
代理商： MC74HC244ADT
MC54/74HC244A
MOTOROLA
High–Speed CMOS Logic Data
DL129 — Rev 6
4
TEST CIRCUITS
* Includes all probe and jig capacitance
CL*
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
Figure 3. Test Circuit
* Includes all probe and jig capacitance
CL*
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
Figure 4. Test Circuit
CONNECT TO VCC WHEN
TESTING tPLZ AND tPZL.
CONNECT TO GND WHEN
TESTING tPHZ AND tPZH.
1 k
PIN DESCRIPTIONS
INPUTS
A1, A2, A3, A4, B1, B2, B3, B4
(Pins 2, 4, 6, 8, 11, 13, 15, 17)
Data input pins. Data on these pins appear in noninverted
form on the corresponding Y outputs, when the outputs are
enabled.
CONTROLS
Enable A, Enable B (Pins 1, 19)
Output enables (active–low). When a low level is applied
to these pins, the outputs are enabled and the devices func-
tion as noninverting buffers. When a high level is applied, the
outputs assume the high impedance state.
OUTPUTS
YA1, YA2, YA3, YA4, YB1, YB2, YB3, YB4
(Pins 18, 16, 14, 12, 9, 7, 5, 3)
Device outputs. Depending upon the state of the output–
enable pins, these outputs are either noninverting outputs or
high–impedance outputs.
LOGIC DETAIL
DATA
INPUT
A OR B
ENABLE A OR
ENABLE B
TO THREE OTHER
A OR B INVERTERS
ONE OF 8
INVERTERS
YA
OR
YB
VCC
相關(guān)PDF資料
PDF描述
MC74HC244 Octal 3-State Noninverting Buffer/Line Driver/Line Receiver
MC74HC244ADTR2 ECONOLINE: REC3-S_DRW(Z)/H4,H6 - Safety standards and approval: EN 60950 certified, rated for 250VAV (LVD test report)- Applied for Ul 1950 Component Recognised Certification- 3W DIP Package- 4kVDC & 6kVDC Isolation- Regulated Output- Continuous Short Circiut Protection Auto-Restarting
MC74HC244ADT Octal 3-State Noninverting Buffer/Line Driver/Line Receiver
MC74HC244ADW Octal 3-State Noninverting Buffer/Line Driver/Line Receiver
MC74HC244ADWR2 NPN Epitaxial Silicon Transistor
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC74HC244ADTEL 制造商:Rochester Electronics LLC 功能描述:- Bulk
MC74HC244ADTG 功能描述:緩沖器和線路驅(qū)動(dòng)器 2-6V Octal 3-State Non-Inverting RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
MC74HC244ADTR2 功能描述:緩沖器和線路驅(qū)動(dòng)器 2-6V Octal 3-State RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
MC74HC244ADTR2G 功能描述:緩沖器和線路驅(qū)動(dòng)器 2-6V Octal 3-State Non-Inverting RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
MC74HC244ADW 功能描述:緩沖器和線路驅(qū)動(dòng)器 2-6V Octal 3-State RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
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