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SN74LVC257APWRG4 数据手册 - TI(德州仪器)
制造商:
TI(德州仪器)
分类:
多工器
封装:
TSSOP-16
描述:
四路2号线到1线数据选择器/多路复用器三态输出 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P4Hot
典型应用电路图在P1P11P12
原理图在P10
封装尺寸在P15P16P18P19
标记信息在P15P16
封装信息在P14P15P16P17P18P19
技术参数、封装参数在P5
应用领域在P1P17P30
电气规格在P7
导航目录
SN74LVC257APWRG4数据手册
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4Y
3Y
2Y
1Y
A
/B
OE
4B
4A
3B
3A
2B
2A
1B
1A
4
2
3
7
5
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SN54LVC257A
,
SN74LVC257A
SCAS294O –JANUARY 1993–REVISED JUNE 2015
SNx4LVC257A Quadruple 2-Line to 1-Line Data Selectors and
Multiplexers With 3-State Outputs
1 Features 3 Description
These quadruple 2-line to 1-line data selectors and
1
• Operate From 1.65 V to 3.6 V
multiplexers are designed for 1.65-V to 3.6-V V
CC
• Inputs Accept Voltages to 5.5 V
operation.
• Maximum t
pd
of 4.6 ns at 3.3 V
The SNx4LVC257A devices are designed to multiplex
• Typical V
OLP
(Output Ground Bounce)
signals from 4-bit data sources to 4-output data lines
<0.8 V at V
CC
= 3.3 V, T
A
= 25°C
in bus-organized systems. The 3-state outputs do not
• Typical V
OHV
(Output V
OH
Undershoot)
load the data lines when the output-enable (OE) input
>2 V at V
CC
= 3.3 V, T
A
= 25°C
is at a high logic level.
• Latch-Up Performance Exceeds 250 mA Per
Inputs can be driven from either 3.3-V or 5-V devices.
JESD 17
This feature allows the use of these devices as
translators in a mixed 3.3-V or 5-V system
• ESD Protection Exceeds JESD 22
environment.
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
Device Information
(1)
• On Products Compliant to MIL-PRF-38535, All
PART NUMBER PACKAGE BODY SIZE (NOM)
Parameters Are Tested Unless Otherwise Noted.
VQFN (16) 3.50 mm × 4.00 mm
On All Other Products, Production Processing
SOIC (16) 9.90 mm × 3.91 mm
Does Not Necessarily Include Testing of All
SN74LVC257A SO (16) 10.30 mm × 5.30 mm
Parameters.
SSOP (16) 5.50 mm × 6.20 mm
TSSOP (16) 4.40 mm × 5.00 mm
2 Applications
CDIP (16) 6.92 mm × 21.34 mm
• Cable Modem Termination Systems
SN54LVC257A CFP (16) 10.30 mm × 6.73 mm
• Tests and Measurements
LCCC (20) 8.89 mm × 8.89 mm
• I/O Expanders
(1) For all available packages, see the orderable addendum at
• Motor Drivers
the end of the data sheet.
• Network Switches
• Servers
• Telecom Infrastructure
Logic Diagram (Positive Logic)
Pin numbers shown are for the D, DB, J, NS, PW , RGY , and W packages.
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
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