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參數(shù)資料
| 型號(hào)： | MC74AC244DTR2 |
| 廠(chǎng)商： | ON SEMICONDUCTOR |
| 元件分類(lèi)： | 通用總線(xiàn)功能 |
| 英文描述： | Octal Buffer/Line Driver with 3-State Outputs |
| 中文描述： | AC SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | LEAD FREE, TSSOP-20 |
| 文件頁(yè)數(shù)： | 4/8頁(yè) |
| 文件大小： | 96K |
| 代理商： | MC74AC244DTR2 |
MC74AC244, MC74ACT244
http://onsemi.com
4
AC CHARACTERISTICS
(For Figures and Waveforms – See Section 3)
74AC
74AC
Symbol
Parameter
VCC*
(V)
TA = +25
°
C
CL = 50 pF
TA = –40
°
C
to +85
°
C
CL = 50 pF
Unit
Fig.
No.
Min
Typ
Max
Min
Max
tPLH
Propagation Delay
Data to Output
3.3
5.0
2.0
1.5
6.5
5.0
9.0
7.0
1.5
1.0
10.0
7.5
ns
3–5
tPHL
Propagation Delay
Data to Output
3.3
5.0
2.0
1.5
6.5
5.0
9.0
7.0
2.0
1.0
10.0
7.5
ns
3–5
tPZH
Output Enable Time
3.3
5.0
2.0
1.5
6.0
5.0
10.5
7.0
1.5
1.5
11.0
8.0
ns
3–7
tPZL
Output Enable Time
3.3
5.0
2.5
1.5
7.5
5.5
10.0
8.0
2.0
1.5
11.0
8.5
ns
3–8
tPHZ
Output Disable Time
3.3
5.0
3.0
2.5
7.0
6.5
10.0
9.0
1.5
1.0
10.5
9.5
ns
3–7
tPLZ
Output Disable Time
3.3
5.0
2.5
2.0
7.5
6.5
10.5
9.0
2.5
2.0
11.5
9.5
ns
3–8
*Voltage Range 3.3 V is 3.3 V
±
0.3 V.
*Voltage Range 5.0 V is 5.0 V
±
0.5 V.
DC CHARACTERISTICS
74ACT
74ACT
Symbol
Parameter
VCC
(V)
TA = +25
°
C
TA =
–40
°
C to
+85
°
C
Unit
Conditions
Typ
Guaranteed Limits
VIH
Minimum High Level
Input Voltage
4.5
5.5
1.5
1.5
2.0
2.0
2.0
2.0
V
VOUT = 0.1 V
or VCC – 0.1 V
VOUT = 0.1 V
or VCC – 0.1 V
IOUT = –50
μ
A
VIL
Maximum Low Level
Input Voltage
4.5
5.5
1.5
1.5
0.8
0.8
0.8
0.8
V
VOH
Minimum High Level
Output Voltage
4.5
5.5
4.49
5.49
4.4
5.4
4.4
5.4
V
*VIN = VIL or VIH
4.5
5.5
–
–
3.86
4.86
3.76
4.76
V
IOH
–24 mA
–24 mA
VOL
Maximum Low Level
Output Voltage
4.5
5.5
0.001
0.001
0.1
0.1
0.1
0.1
V
IOUT = 50
μ
A
*VIN = VIL or VIH
4.5
5.5
–
–
0.36
0.36
0.44
0.44
V
IOL
24 mA
24 mA
IIN
Maximum Input
Leakage Current
5 5
5.5
–
0 1
±
0.1
1 0
±
1.0
μ
A
VI= VCCGND
VI = VCC, GND
ICCT
Additional Max. ICC/Input
5.5
0.6
–
1.5
mA
VI = VCC – 2.1 V
IOZ
Maximum
3–State
Current
VI (OE) = VIL, VIH
VI = VCC, GND
VO = VCC, GND
VOLD = 1.65 V Max
5.5
–
±
0.5
±
5.0
μ
A
IOLD
Minimum Dynamic
O t
Output Current
5.5
–
–
75
mA
IOHD
5.5
–
–
–75
mA
VOHD = 3.85 V Min
ICC
Maximum Quiescent
Supply Current
5 5
5.5
–
8 0
8.0
80
μ
A
VIN= VCCor GND
VIN = VCC or GND
*All outputs loaded; thresholds on input associated with output under test.
Maximum test duration 2.0 ms, one output loaded at a time.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC74AC244DTR2G | 功能描述:緩沖器和線(xiàn)路驅(qū)動(dòng)器 2-6V Octal 3-State RoHS:否 制造商:Micrel 輸入線(xiàn)路數(shù)量:1 輸出線(xiàn)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 |
| MC74AC244DW | 功能描述:緩沖器和線(xiàn)路驅(qū)動(dòng)器 2-6V Octal 3-State RoHS:否 制造商:Micrel 輸入線(xiàn)路數(shù)量:1 輸出線(xiàn)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 |
| MC74AC244DWG | 功能描述:緩沖器和線(xiàn)路驅(qū)動(dòng)器 2-6V Octal 3-State RoHS:否 制造商:Micrel 輸入線(xiàn)路數(shù)量:1 輸出線(xiàn)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 |
| MC74AC244DWR | 制造商:ON Semiconductor 功能描述: |
| MC74AC244DWR2 | 功能描述:緩沖器和線(xiàn)路驅(qū)動(dòng)器 2-6V Octal 3-State RoHS:否 制造商:Micrel 輸入線(xiàn)路數(shù)量:1 輸出線(xiàn)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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