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參數(shù)資料
| 型號： | 74LVX245 |
| 廠商： | 意法半導體 |
| 英文描述： | Low Voltage CMOS Octal Bus Transceiver (3-State)(低電壓CMOS八總線收發(fā)器) |
| 中文描述： | 低電壓的CMOS八路總線收發(fā)器（3態(tài)）（低電壓的CMOS八總線收發(fā)器） |
| 文件頁數(shù)： | 1/7頁 |
| 文件大小： | 65K |
| 代理商： | 74LVX245 |
74LVX245
LOW VOLTAGE CMOS OCTAL BUS
TRANSCEIVER (3-STATE)
PRELIMINARY DATA
December 1997
ORDER CODES :
74LVX245M
74LVX245T
M
(MicroPackage)
I
HIGH SPEED:t
PD
= 6 ns(TYP.) atV
CC
= 3.3V
I
COMPATIBLEWITH TTLLEVELSIN INPUTS
ANDOUTPUTS
I
LOWPOWER DISSIPATION:
I
CC
= 4
μ
A (MAX.) at T
A
=25
o
C
I
LOWNOISE:V
OLP
= 0.3V(TYP.) atV
CC
=3.3V
I
SYMMETRICALOUTPUT IMPEDANCE:
|I
OH
| = I
OL
=4 mA (MIN)
I
BALANCED PROPAGATIONDELAYS:
t
PLH
t
PHL
I
OPERATINGVOLTAGERANGE:
V
CC
(OPR)= 2Vto3.6V (1.2VData Retention)
I
PIN AND FUNCTION COMPATIBLEWITH
74SERIES245
I
IMPROVEDLATCH-UP IMMUNITY
DESCRIPTION
The LVX245 is a low voltageCMOS OCTAL BUS
TRANSCEIVER
(3-STATE)
sub-micron silicon gate and double-layer metal
wiring C
2
MOS technology. It is ideal for low
power and low noise 3.3V applications.
It has better speed performance at 3.3V than 5V
LSTTL family combined with the true CMOS low
power consumption.
This IC is intended for two-way asynchronous
communicationbetween data buses; the direction
fabricated
with
T
(TSSOP Package)
of data trasmission is determined by DIR input.
The enable input G can be used to disable the
device so that the buses areeffectively isolated.
All
inputs and
outputs
protectioncircuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
IT IS PROHIBITED TO APPLY A SIGNAL TO A
TERMINAL WHEN IT IS IN OUTPUT MODE
AND WHEN A BUS TERMINAL IS FLOATING
(HIGH IMPEDANCE STATE) IT IS REQUESTED
TO FIX THE INPUT LEVEL BY MEANS OF
EXTERNAL
PULL
DOWN
RESISTOR.
are
equipped with
OR
PULL
UP
PINCONNECTION AND IEC LOGICSYMBOLS
1/7
相關PDF資料 |
PDF描述 |
|---|---|
| 74LVX245 | Low Voltage Octal Bidirectional Transceiver |
| 74LVX245M | Low Voltage Octal Bidirectional Transceiver |
| 74LVX245MSC | Low Voltage Octal Bidirectional Transceiver |
| 74LVX245MTC | Low Voltage Octal Bidirectional Transceiver |
| 74LVX245MTCX | Low Voltage Octal Bidirectional Transceiver |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 74LVX245M | 功能描述:總線收發(fā)器 Octal Bidir Trans RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74LVX245M_Q | 功能描述:總線收發(fā)器 Octal Bidir Trans RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74LVX245MSCX | 制造商:Texas Instruments 功能描述: |
| 74LVX245MTC | 功能描述:總線收發(fā)器 Octal Bidir Trans RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74LVX245MTC_Q | 功能描述:總線收發(fā)器 Octal Bidir Trans RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
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