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SN74LVCZ240ADGV PDF预览

SN74LVCZ240ADGV

更新时间: 2024-09-15 22:16:15
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德州仪器 - TI 驱动器输出元件
页数 文件大小 规格书
6页 86K
描述
OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS

SN74LVCZ240ADGV 数据手册

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SN74LVCZ240A  
OCTAL BUFFER/DRIVER  
WITH 3-STATE OUTPUTS  
SCES273B – JUNE 1999 – REVISED JANUARY 2000  
DB, DGV, DW, OR PW PACKAGE  
(TOP VIEW)  
EPIC (Enhanced-Performance Implanted  
CMOS) Submicron Process  
Typical V  
<0.8 V at V  
(Output Ground Bounce)  
OLP  
CC  
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  
= 3.3 V, T = 25°C  
A
2OE  
1Y1  
2A4  
1Y2  
2A3  
1Y3  
2A2  
1Y4  
2A1  
Typical V  
(Output V  
Undershoot)  
OHV  
OH  
>2 V at V  
= 3.3 V, T = 25°C  
CC  
A
I
and Power-Up 3-State Support Hot  
off  
Insertion  
Supports Mixed-Mode Signal Operation on  
All Ports (5-V Input/Output Voltage With  
3.3-V V  
)
CC  
Latch-Up Performance Exceeds 100 mA Per  
JESD 78, Class II  
Package Options Include Shrink  
Small-Outline (DB), Plastic Thin Very  
Small-Outline (DGV), Small-Outline (DW),  
and Thin Shrink Small-Outline (PW)  
Packages  
description  
This octal buffer/driver is designed for 2.7-V to 3.6-V V  
operation.  
CC  
The SN74LVCZ240A 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.  
When V  
is between 0 and 1.5 V, the device is in the high-impedance state during power up or power down.  
CC  
However, to ensure the high-impedance state above 1.5 V, OE should be tied to V  
the minimum value of the resistor is determined by the current-sinking capability of the driver.  
through a pullup resistor;  
CC  
This device is fully specified for hot-insertion applications using I and power-up 3-state. The I circuitry  
off  
off  
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.  
The SN74LVCZ240A is characterized for operation from –40°C to 85°C.  
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.  
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.  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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