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74LCX257TTR PDF预览

74LCX257TTR

更新时间: 2024-09-24 21:54:55
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 复用器逻辑集成电路光电二极管输出元件输入元件
页数 文件大小 规格书
13页 292K
描述
LOW VOLTAGE CMOS QUAD 2 CHANNEL MULTIPLEXER WITH 5V TOLERANT INPUTS AND OUTPUTS (3-STATE)

74LCX257TTR 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:TSSOP
包装说明:TSSOP-16针数:16
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.07Is Samacsys:N
系列:LVC/LCX/ZJESD-30 代码:R-PDSO-G16
JESD-609代码:e4长度:5 mm
逻辑集成电路类型:MULTIPLEXER最大I(ol):0.024 A
湿度敏感等级:3功能数量:4
输入次数:2输出次数:1
端子数量:16最高工作温度:125 °C
最低工作温度:-55 °C输出特性:3-STATE
输出极性:TRUE封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP16,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
包装方法:TAPE AND REEL峰值回流温度(摄氏度):260
电源:3.3 VProp。Delay @ Nom-Sup:6 ns
传播延迟(tpd):6.5 ns认证状态:Not Qualified
座面最大高度:1.2 mm子类别:Multiplexer/Demultiplexers
最大供电电压 (Vsup):3.6 V最小供电电压 (Vsup):2 V
标称供电电压 (Vsup):2.7 V表面贴装:YES
技术:CMOS温度等级:MILITARY
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40宽度:4.4 mm
Base Number Matches:1

74LCX257TTR 数据手册

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74LCX257  
LOW VOLTAGE CMOS QUAD 2 CHANNEL MULTIPLEXER  
WITH 5V TOLERANT INPUTS AND OUTPUTS (3-STATE)  
5V TOLERANT INPUTS AND OUTPUTS  
HIGH SPEED:  
t
= 6.0 ns (MAX.) at V = 3V  
PD  
CC  
POWER DOWN PROTECTION ON INPUTS  
AND OUTPUTS  
SYMMETRICAL OUTPUT IMPEDANCE:  
SOP  
TSSOP  
|I | = I = 24mA (MIN) at V = 3V  
OH  
OL  
CC  
PCI BUS LEVELS GUARANTEED AT 24 mA  
BALANCED PROPAGATION DELAYS:  
Table 1: Order Codes  
PACKAGE  
t
t
PLH  
PHL  
T & R  
OPERATING VOLTAGE RANGE:  
(OPR) = 2.0V to 3.6V (1.5V Data  
SOP  
74LCX257MTR  
74LCX257TTR  
V
CC  
Retention)  
TSSOP  
PIN AND FUNCTION COMPATIBLE WITH  
74 SERIES 257  
It is composed of four independent 2 channel  
multiplexers with common SELECT and ENABLE  
(OE) INPUT. The 74LCX257 is a non-inverting  
multiplexer. When the ENABLE INPUT is held  
"High", all outputs become in high impedance  
state. If SELECT INPUT is held "Low", "A" data is  
selected, when SELECT INPUT is "High", "B" data  
is chosen.  
LATCH-UP PERFORMANCE EXCEEDS  
500mA (JESD 17)  
ESD PERFORMANCE:  
HBM > 2000V (MIL STD 883 method 3015);  
MM > 200V  
DESCRIPTION  
It has same speed performance at 3.3V than 5V  
AC/ACT family, combined with a lower power  
consumption.  
All inputs and outputs are equipped with  
protection circuits against static discharge, giving  
them 2KV ESD immunity and transient excess  
voltage.  
The 74LCX257 is a low voltage CMOS QUAD 2  
CHANNEL MULTIPLEXER (3-STATE) fabricated  
with sub-micron silicon gate and double-layer  
2
metal wiring C MOS technology. It is ideal for low  
power and high speed 3.3V applications; it can be  
interfaced to 5V signal environment for both inputs  
and outputs.  
Figure 1: Pin Connection And IEC Logic Symbols  
Rev. 4  
1/13  
September 2004  

74LCX257TTR 替代型号

型号 品牌 替代类型 描述 数据表
SN74LVC257AQPWREP TI

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