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MC74VHCXXXDT PDF预览

MC74VHCXXXDT

更新时间: 2024-11-21 04:48:03
品牌 Logo 应用领域
安森美 - ONSEMI 总线收发器
页数 文件大小 规格书
8页 178K
描述
Octal Bus Transceiver

MC74VHCXXXDT 数据手册

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ON Semiconductort  
MC74VHC245  
Octal Bus Transceiver  
The MC74VHC245 is an advanced high speed CMOS octal bus  
transceiver fabricated with silicon gate CMOS technology. It achieves  
high speed operation similar to equivalent Bipolar Schottky TTL  
while maintaining CMOS low power dissipation.  
It is intended for twoway asynchronous communication between  
data buses. The direction of data transmission is determined by the  
level of the DIR input. The output enable pin (OE) can be used to  
disable the device, so that the buses are effectively isolated.  
All inputs are equipped with protection circuits against static  
discharge.  
DW SUFFIX  
20LEAD SOIC WIDE PACKAGE  
CASE 751D05  
High Speed: t = 4.0ns (Typ) at V = 5V  
PD  
CC  
DT SUFFIX  
20LEAD TSSOP PACKAGE  
CASE 948E02  
Low Power Dissipation: I = 4μA (Max) at T = 25°C  
CC  
A
High Noise Immunity: V  
= V = 28% V  
NIL CC  
NIH  
Power Down Protection Provided on Inputs  
Balanced Propagation Delays  
Designed for 2V to 5.5V Operating Range  
Low Noise: V  
= 1.2V (Max)  
OLP  
M SUFFIX  
20LEAD SOIC EIAJ PACKAGE  
CASE 96701  
Pin and Function Compatible with Other Standard Logic Families  
Latchup Performance Exceeds 300mA  
ESD Performance: HBM > 2000V; Machine Model > 200V  
Chip Complexity: 308 FETs or 77 Equivalent Gates  
w These devices are available in Pbfree package(s). Specifications herein  
apply to both standard and Pbfree devices. Please see our website at  
www.onsemi.com for specific Pbfree orderable part numbers, or  
contact your local ON Semiconductor sales office or representative.  
ORDERING INFORMATION  
MC74VHCXXXDW  
MC74VHCXXXDT  
MC74VHCXXXM  
SOIC WIDE  
TSSOP  
SOIC EIAJ  
APPLICATION NOTES  
Do not force a signal on an I/O pin when it is an active output,  
damage may occur.  
All floating (high impedance) input or I/O pins must be fixed by  
means of pull up or pull down resistors or bus terminator ICs.  
A parasitic diode is formed between the bus and V terminals.  
CC  
Therefore, the VHC245 cannot be used to interface 5V to 3V systems  
directly.  
© Semiconductor Components Industries, LLC, 2006  
1
Publication Order Number:  
March, 2006 Rev. 5  
MC74VHC245/D  

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