參數(shù)資料
型號: 74LCX646
廠商: 意法半導體
英文描述: Low Voltage CMOS Octal Bus Transceiver/Register with 5V Tolerant Inputs and Outputs(低壓八總線收發(fā)器/寄存器)
中文描述: 低電壓的CMOS八路總線收發(fā)器/有5V容限輸入和輸出寄存器(低壓八總線收發(fā)器/寄存器)
文件頁數(shù): 1/13頁
文件大小: 120K
代理商: 74LCX646
74LCX646
LOWVOLTAGECMOSOCTALBUSTRANSCEIVER/REGISTER
WITH 5V TOLERANT INPUTS AND OUTPUTS
PRELIMINARY DATA
January 1997
I
5V TOLERANTINPUTS AND OUTPUTS
I
HIGH SPEED:
t
PD
=7.0 ns(MAX.) at V
CC
=3V
I
POWER-DOWN PROTECTIONONINPUTS
ANDOUTPUTS
I
SYMMETRICALOUTPUT IMPEDANCE:
|I
OH
| = I
OL
=24 mA (MIN)
I
PCI BUSLEVELSGUARANTEEDAT 24mA
I
BALANCED PROPAGATIONDELAYS:
t
PLH
t
PHL
I
OPERATINGVOLTAGERANGE:
V
CC
(OPR)= 2.0Vto 3.6V (1.5VData Retention)
I
PIN AND FUNCTION COMPATIBLEWITH
74SERIES646
I
LATCH-UP PERFORMANCE EXCEEDS500mA
I
ESD PERFORMANCE:
HBM>2000V;MM > 200V
DESCRIPTION
The LCX646 is a low voltageCMOS OCTALBUS
TRANSCEIVER AND REGISTERS (3-STATE)
fabricated with sub-micron silicon gate and
double-layermetal wiring C
2
MOStechnology. Itis
ideal for low power and high speed 3.3V
applications; it can be interfaced to 5V signal
enviroment for bothinputs and outputs.
This device consistof bus transceiver circuits with
3-state output, D type flip-flops, and control
circuitry arranged for multiplexed trasmission of
data directly from the input bus or from the
internal registers. Data on the A or B bus will be
clocked into registerson the low-to high transition
of the appropriate clock pin (clock AB or clock
BA). Enable (G) and direction (DIR) pins are
provided to control the transceiver functions. In
the transceiver mode, data present at the high
impedance port may be stored in either register
orin both.
The selected controls (Select AB select BA) can
multiplex stored and real time (transparentmode)
data. The direction control determines which bus
PINCONNECTION AND IEC LOGICSYMBOLS
M
(MicroPackage)
T
(TSSOP Package)
ORDER CODES :
74LCX646M
74LCX646T
1/13
相關PDF資料
PDF描述
74LCX652 Low Voltage CMOS Octal Bus Transceiver/Register with 5V Tolerant Inputs and Outputs(低壓八總線收發(fā)器/寄存器)
74LCX74MTR LOW VOLTAGE CMOS DUAL D-TYPE FLIP FLOP WITH 5V TOLERANT INPUTS
74LCX74TTR LOW VOLTAGE CMOS DUAL D-TYPE FLIP FLOP WITH 5V TOLERANT INPUTS
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74LCX646MSA_Q 功能描述:總線收發(fā)器 Octal Trans/Register 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
74LCX646MSAX 功能描述:總線收發(fā)器 Octal Trans/Register 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
74LCX646MTC 功能描述:總線收發(fā)器 Octal Trans/Register 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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