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74LCX16245 PDF预览

74LCX16245

更新时间: 2024-11-03 22:45:59
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 总线收发器输出元件输入元件
页数 文件大小 规格书
9页 73K
描述
LOW VOLTAGE CMOS 16-BIT BUS TRANSCEIVER WITH 5V TOLERANT INPUTS AND OUTPUT (3-STATE)

74LCX16245 数据手册

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74LCX16245  
LOW VOLTAGE CMOS 16-BIT BUS TRANSCEIVER  
WITH 5V TOLERANT INPUTS AND OUTPUT (3-STATE)  
5V TOLERANT INPUTS AND OUTPUTS  
HIGH SPEED :  
t
= 4.5 ns (MAX.) at V = 3V  
PD  
CC  
POWER DOWN PROTECTION ON INPUTS  
AND OUTPUTS  
SYMMETRICAL OUTPUT IMPEDANCE:  
|I | = I = 24mA (MIN) at V = 3V  
TSSOP  
TUBE  
OH  
OL  
CC  
PCI BUS LEVELS GUARANTEED AT 24 mA  
BALANCED PROPAGATION DELAYS:  
t
t
PHL  
ORDER CODES  
PACKAGE  
PLH  
OPERATING VOLTAGE RANGE:  
(OPR) = 2.0V to 3.6V (1.5V Data  
T & R  
V
CC  
TSSOP  
74LCX16245TTR  
Retention)  
PIN AND FUNCTION COMPATIBLE WITH  
74 SERIES 16245  
LATCH-UP PERFORMANCE EXCEEDS  
500mA (JESD 17)  
PIN CONNECTION  
ESD PERFORMANCE:  
HBM > 2000V (MIL STD 883 method 3015);  
MM > 200V  
DESCRIPTION  
The 74LCX16245 is a low voltage CMOS 16 BIT  
BUS TRANSCEIVER (3-STATE) fabricated with  
sub-micron silicon gate and double-layer metal  
2
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.  
This IC is intended for two-way asynchronous  
communication between data buses; the direction  
of data transmission is determined by DIR input.  
The two enable inputs nG can be used to disable  
the device so that the buses are effectively isolat-  
ed.  
It has same speed performance at 3.3V than 5V  
AC/ACT family, combined with a lower power con-  
sumption.  
All inputs and outputs are equipped with protec-  
tion circuits against static discharge, giving them  
2KV ESD immunity and transient excess voltage.  
All floating bus terminals during High Z State must  
be held HIGH or LOW.  
September 2001  
1/9  

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