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參數資料
| 型號： | SN74LVC240ADB |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 6-18 GHz 1W Power Amplifier |
| 中文描述： | 八路緩沖器/ 3驅動態輸出 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 119K |
| 代理商： | SN74LVC240ADB |
SN74LVC240A
OCTAL BUFFER/DRIVER
WITH 3-STATE OUTPUTS
SCAS293G – JANUARY 1993 – REVISED MARCH 2000
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
EPIC
(Enhanced-Performance Implanted
CMOS) Submicron Process
Typical V
OLP
(Output Ground Bounce)
<0.8 V at V
CC
= 3.3 V, T
A
= 25
°
C
Typical V
OHV
(Output V
OH
Undershoot)
>2 V at V
CC
= 3.3 V, T
A
= 25
°
C
Supports Mixed-Mode Signal Operation on
All Ports (5-V Input/Output Voltage With
3.3-V V
CC
)
I
off
Supports Partial-Power-Down-Mode
Operation
ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
Latch-Up Performance Exceeds 250 mA Per
JESD 17
Package Options Include Plastic
Small-Outline (DW), Shrink Small-Outline
(DB), Thin Very Small-Outline (DGV), and
Thin Shrink Small-Outline (PW) Packages
description
This octal buffer/driver is designed for 1.65-V to 3.6-V V
CC
operation.
The SN74LVC240A is designed specifically to improve the performance and density of 3-state memory address
drivers, clock drivers, and bus-oriented receivers and transmitters.
This device is organized as two 4-bit buffers/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.
Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of these devices as translators
in a mixed 3.3-V/5-V system environment.
To ensure the high-impedance state during power up or power down, OE should be tied to V
CC
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 partial-power-down applications using I
off
. The I
off
circuitry disables the outputs,
preventing damaging current backflow through the device when it is powered down.
The SN74LVC240A is characterized for operation from –40
°
C to 85
°
C.
FUNCTION TABLE
(each 4-bit buffer)
INPUTS
OE
OUTPUT
Y
A
L
H
L
L
L
H
H
X
Z
Copyright
2000, Texas Instruments Incorporated
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.
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.
EPIC is a trademark of Texas Instruments Incorporated.
DB, DGV, DW, 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
V
CC
2OE
1Y1
2A4
1Y2
2A3
1Y3
2A2
1Y4
2A1
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相關代理商/技術參數 |
參數描述 |
|---|---|
| SN74LVC240ADBR | 功能描述:緩沖器和線路驅動器 Tri-State Octal 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 |
| SN74LVC240ADBRE4 | 功能描述:緩沖器和線路驅動器 Octal Buffer/Driver W/3-State Output 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 |
| SN74LVC240ADBRG4 | 功能描述:緩沖器和線路驅動器 Octal Buffer Driver 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 |
| SN74LVC240ADGVR | 功能描述:緩沖器和線路驅動器 Tri-State Octal 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 |
| SN74LVC240ADGVRE4 | 功能描述:緩沖器和線路驅動器 20Bit FET Bus Switch W/Level Shifting 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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