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參數(shù)資料
| 型號： | MC74HCT244ADT |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal 3-State Noninverting Buffer/Line Driver/Line Receiver with LSTTL-Compatible Inputs |
| 中文描述： | HCT SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | TSSOP-20 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 175K |
| 代理商： | MC74HCT244ADT |
MC74HCT244A
http://onsemi.com
3
NOTES:
1. Information on typical parametric values along with frequency or heavy load considerations can be found in Chapter 2 of the ON
Semiconductor High–Speed CMOS Data Book (DL129/D).
2. Total Supply Current = ICC +
Σ
ICC.
Current
Current
lout = 0
μ
A
5.5
2.9
2.4
mA
AC ELECTRICAL CHARACTERISTICS
(VCC = 5.0 V
±
10%, CL = 50 pF, Input tr = tf = 6 ns)
Semiconductor High–Speed CMOS Data Book (DL129/D).
Symbol
Parameter
25 C
85 C
125 C
Unit
(Figures 2 and 4)
tPLH,
Maximum Propagation Delay, A to YA or B to YB
20
25
30
tPHZ
Maximum Propagation Delay, Output Enable to YA or YB
Maximum Three–State Output Capacitance (Output in
High–Impedance State)
tPZH
(Figures 2 and 4)
ns
Maximum Output Transition Time, Any Output
12
15
18
Typical @ 25
°
C, VCC = 5.0 V
55
CPD
Power Dissipation Capacitance (Per Enabled Output)*
* Used to determine the no–load dynamic power consumption: PD = CPD VCC2f + ICC VCC. For load considerations, see Chapter 2 of the
ON Semiconductor High–Speed CMOS Data Book (DL129/D).
pF
SWITCHING WAVEFORMS
Figure 1.
Figure 2.
3 V
GND
tf
tr
INPUT
A OR B
OUTPUT
YA OR YB
0.3 V
2.7 V
10%
1.3 V
90%
tTLH
tPLH
tPHL
tTHL
ENABLE
A OR B
OUTPUT Y
OUTPUT Y
1.3 V
1.3 V
1.3 V
90%
10%
tPZL
tPLZ
tPZH
tPHZ
3 V
GND
HIGH
IMPEDANCE
VOL
VOH
HIGH
IMPEDANCE
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| MC74HCT244ADTR2 | Octal 3-State Noninverting Buffer/Line Driver/Line Receiver with LSTTL-Compatible Inputs |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC74HCT244ADTR2 | 功能描述:緩沖器和線路驅(qū)動(dòng)器 5V 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 |
| MC74HCT244ADTR2G | 功能描述:緩沖器和線路驅(qū)動(dòng)器 5V Octal 3-State Non-Inverting TTL 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 |
| MC74HCT244ADW | 功能描述:緩沖器和線路驅(qū)動(dòng)器 5V 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 |
| MC74HCT244ADWG | 功能描述:緩沖器和線路驅(qū)動(dòng)器 5V Octal 3-State Non-Inverting TTL 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 |
| MC74HCT244ADWG | 制造商:ON Semiconductor 功能描述:BUFFER LOGIC IC |
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