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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(yè)數(shù)： | 3/7頁(yè) |
| 文件大小： | 258K |
| 代理商： | MC74HC244ADT |
MC54/74HC244A
High–Speed CMOS Logic Data
DL129 — Rev 6
3
MOTOROLA
Vin = VIL or VIH
Leakage Current
Speed CMOS Data Book (DL129/D).
Symbol
Parameter
V
25 C
Unit
Maximum Propagation Delay, A to YA or B to YB
2.0
96
115
85 C
125 C
135
ns
tPHZ
(Figures 2 and 4)
4.5
22
33
6.0
19
28
28
tTLH,
Maximum Output Transition Time, Any Output
(Figures 1 and 3)
2.0
4.5
60
12
24
90
18
ns
75
High–Impedance State)
NOTE:For propagation delays with loads other than 50 pF, and information on typical parametric values, see Chapter 2 of the Motorola High–
CPD
Power Dissipation Capacitance (Per Buffer)*
* Used to determine the no–load dynamic power consumption: PD = CPD VCC2f + ICC VCC. For load considerations, see Chapter 2 of the
Motorola High–Speed CMOS Data Book (DL129/D).
Typical @ 25
°
C, VCC = 5.0 V
34
pF
SWITCHING WAVEFORMS
Figure 1.
Figure 2.
VCC
GND
tf
tr
DATA INPUT
A OR B
OUTPUT
YA OR YB
10%
90%
10%
90%
tTLH
tPLH
tPHL
tTHL
ENABLE
A OR B
OUTPUT Y
OUTPUT Y
50%
50%
50%
90%
10%
tPZL
tPLZ
tPZH
tPHZ
VCC
GND
HIGH
IMPEDANCE
VOL
VOH
HIGH
IMPEDANCE
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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