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參數資料
| 型號： | SN74LVT240ADBR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發器 |
| 英文描述： | LVT SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDSO20 |
| 封裝： | GREEN, PLASTIC, SSOP-20 |
| 文件頁數： | 1/15頁 |
| 文件大小： | 488K |
| 代理商： | SN74LVT240ADBR |
SN74LVT240A
3.3V ABT OCTAL BUFFER/DRIVER
WITH 3STATE OUTPUTS
SCBS134K SEPTEMBER 1992 REVISED JANUARY 2004
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Supports Mixed-Mode Signal Operation
(5-V Input and Output Voltages With 3.3-V
VCC)
D Supports Unregulated Battery Operation
Down To 2.7 V
D Typical VOLP (Output Ground Bounce)
<0.8 V at VCC = 3.3 V, TA = 25°C
D Ioff and Power-Up 3-State Support Hot
Insertion
D Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
D ESD Protection Exceeds JESD 22
2000-V Human-Body Model (A114-A)
200-V Machine Model (A115-A)
1000-V Charged-Device Model (C101)
description/ordering information
This octal buffer and line driver is designed specifically for low-voltage (3.3-V) VCC operation, but with the
capability to provide a TTL interface to a 5-V system environment.
The SN74LVT240A is organized as two 4-bit buffer/line drivers with separate output-enable (OE) inputs. When
OE is low, the device passes data from the A inputs to the Y outputs. When OE is high, the outputs are in the
high-impedance state.
When VCC is between 0 and 1.5 V, the device is in the high-impedance state during power up or power down.
However, to ensure the high-impedance state above 1.5 V, OE should be tied to VCC through a pullup resistor;
the minimum value of the resistor is determined by the current-sinking capability of the driver.
This device is fully specified for hot-insertion applications using Ioff and power-up 3-state. The Ioff circuitry
disables the outputs, preventing damaging current backflow through the device when it is powered down. The
power-up 3-state circuitry places the outputs in the high-impedance state during power up and power down,
which prevents driver conflict.
ORDERING INFORMATION
TA
PACKAGE
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
SOIC DW
Tube
SN74LVT240ADW
LVT240A
SOIC DW
Tape and reel
SN74LVT240ADWR
LVT240A
SOP NS
Tape and reel
SN74LVT240ANSR
LVT240A
40
°C to 85°C
SSOP DB
Tape and reel
SN74LVT240ADBR
LX240A
40 C to 85 C
TSSOP PW
Tube
SN74LVT240APW
LX240A
TSSOP PW
Tape and reel
SN74LVT240APWR
LX240A
TVSOP DGV
Tape and reel
SN74LVT240ADGVR
LX240A
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines
are available at www.ti.com/sc/package.
Copyright
2004, Texas Instruments Incorporated
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
DB, DGV, DW, NS, OR PW PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
1OE
1A1
2Y4
1A2
2Y3
1A3
2Y2
1A4
2Y1
GND
VCC
2OE
1Y1
2A4
1Y2
2A3
1Y3
2A2
1Y4
2A1
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| SN74LVT240ADBRE4 | 功能描述:緩沖器和線路驅動器 3.3V ABT Octal Buff/Drv W/3-St Otpt RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量: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 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| SN74LVT240ADBRG4 | 功能描述:緩沖器和線路驅動器 3.3V ABT Octal Buff/Drv W/3-St Otpt RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量: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 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| SN74LVT240ADGVR | 功能描述:緩沖器和線路驅動器 3.3V ABT Octal Buff/Drv W/3-St Otpt RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量: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 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| SN74LVT240ADGVRE4 | 功能描述:緩沖器和線路驅動器 8-Bit 2.5/3.3-V Lo-V FET Bus Switch RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量: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 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| SN74LVT240ADGVRG4 | 功能描述:緩沖器和線路驅動器 3.3V ABT Octal Buffers Drivers RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量: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 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
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