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參數(shù)資料
| 型號(hào)： | 74AC240B |
| 廠(chǎng)商： | STMICROELECTRONICS |
| 元件分類(lèi)： | 總線(xiàn)收發(fā)器 |
| 英文描述： | AC SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDIP20 |
| 封裝： | PLASTIC, DIP-20 |
| 文件頁(yè)數(shù)： | 4/9頁(yè) |
| 文件大?。?/td> | 219K |
| 代理商： | 74AC240B |
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74AC240
4/9
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 , Input tr = tf = 3ns)
(*) Voltage range is 3.3V
± 0.3V
(**) Voltage range is 5.0V
± 0.5V
CAPACITIVE CHARACTERISTICS
1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/8 (per circuit)
TEST CIRCUIT
CL = 50pF or equivalent (includes jig and probe capacitance)
RL = R1 = 500 or equivalent
RT = ZOUT of pulse generator (typically 50)
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
tPLH tPHL Propagation Delay
Time
3.3(*)
1.5
5.7
8.0
1.5
9.0
1.5
11.0
ns
5.0(**)
1.5
4.2
6.5
1.5
7.0
1.5
8.5
tPZL tPZH Output Enable
Time
3.3(*)
1.5
7.0
10.5
1.5
11.0
1.5
13.0
ns
5.0(**)
1.5
5.0
8.0
1.5
8.5
1.5
10.5
tPLZ tPHZ Output Disable
Time
3.3(*)
1.5
7.0
10.5
1.5
11.5
1.5
13.5
ns
5.0(**)
1.5
6.5
9.0
1.5
9.5
1.5
11.0
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
CIN
Input Capacitance
5.0
5
pF
COUT
Output
Capacitance
5.0
9
pF
CPD
Power Dissipation
Capacitance (note
1)
5.0
fIN = 10MHz
21
pF
TEST
SWITCH
tPLH, tPHL
Open
tPZL, tPLZ
2VCC
tPZH, tPHZ
Open
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相關(guān)代理商/技術(shù)參數(shù) |
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| 74AC240M | 功能描述:緩沖器和線(xiàn)路驅(qū)動(dòng)器 Octal Bus Buffer 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 |
| 74AC240MTC | 功能描述:緩沖器和線(xiàn)路驅(qū)動(dòng)器 Octal Buf/Line Drv 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 |
| 74AC240MTC_Q | 功能描述:緩沖器和線(xiàn)路驅(qū)動(dòng)器 Octal Buf/Line Drv 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 |
| 74AC240MTCX | 功能描述:緩沖器和線(xiàn)路驅(qū)動(dòng)器 Octal Buf/Line Drv 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 |
| 74AC240MTR | 功能描述:緩沖器和線(xiàn)路驅(qū)動(dòng)器 Octal Bus Buffer 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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