參數(shù)資料
型號: 74LCX245
廠商: 意法半導體
英文描述: Low Voltage CMOS Octal Bus Transceiver (3-State) with 5V Tolerant Inputs and Outputs(低壓八總線收發(fā)器)
中文描述: 低電壓的CMOS八路總線收發(fā)器(三態(tài)與5V容限輸入和輸出(低壓八總線收發(fā)器))
文件頁數(shù): 4/8頁
文件大?。?/td> 80K
代理商: 74LCX245
TEST CIRCUIT
TEST
SWITCH
Open
6V
GND
t
PLH
, t
PHL
t
PZL
, t
PLZ
t
PZH
, t
PHZ
C
L
=50 pFor equivalent (includes jigand probe capacitance)
R
L
=R
1
=500
or equivalent
R
T
=Z
OUT
of pulse generator (typically50
)
CAPACITIVE CHARACTERISTICS
Symbol
Parameter
Test Conditions
Value
T
A
= 25
o
C
Min.
Typ.
Unit
V
CC
(V)
Max.
C
IN
C
i/o
C
PD
Input Capacitance
I/O Capacitance
Power Dissipation Capacitance (note 1)
3.3
3.3
3.3
V
IN
= 0 to V
CC
V
IN
= 0 to V
CC
f
IN
= 10MHz
V
IN
= 0 or V
CC
6
pF
pF
pF
12
45
1) C
PD
isdefined as the value ofthe IC’s internalequivalent capacitance which iscalculated fromtheoperating currentconsumption without load. Average
operting current can beobtained bythe followingequation. I
CC
(opr) = C
PD
V
CC
f
IN
+I
CC
/n(per circuit)
AC ELECTRICAL CHARACTERISTICS
(C
L
= 50 pF, R
L
= 500
, Input t
r
= t
f
= 2.5 ns)
Symbol
Parameter
Test Condition
Value
Unit
V
CC
(V)
Waveform
-40 to 85
o
C
Min.
1.5
1.5
1.5
1.5
1.5
1.5
Max.
8.0
7.0
9.5
8.5
8.5
7.5
1.0
t
PLH
t
PHL
Propagation Delay Time
2.7
1
ns
3.0 to 3.6
2.7
3.0 to 3.6
2.7
3.0 to 3.6
3.0 to 3.6
t
PZL
t
PZH
Output Enable Time
2
ns
t
PLZ
t
PHZ
Output Disable Time
2
ns
t
OSLZ
t
OSHL
Output to Output Skew Time (note 1, 2)
ns
1) Skew isdefined as the absolute value of the difference between theactual propagation delay forany twooutputs ofthe samedevice switching in the
same direction, either HIGHor LOW (t
OSLH
=|t
PLHm
-t
PLHn
|,t
OSHL
=|t
PHLm
-t
pHLn
|)
2) Parameter guaranteed bydesign
LCX245
4/8
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相關代理商/技術參數(shù)
參數(shù)描述
74LCX245_08 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs
74LCX245BQX 功能描述:總線收發(fā)器 8-Bit Bidirectional Transceiver with 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
74LCX245BQX_08 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs
74LCX245FT 功能描述:IC BUS TRANSCEIVER 8BIT 20TSSOP 制造商:toshiba semiconductor and storage 系列:TC74LCX 包裝:帶卷(TR) 零件狀態(tài):在售 邏輯類型:收發(fā)器,非反相 元件數(shù):1 每元件位數(shù):8 輸入類型:- 輸出類型:推挽式 電流 - 輸出高,低:24mA,24mA 電壓 - 電源:1.65 V ~ 3.6 V 工作溫度:-40°C ~ 85°C(TA) 安裝類型:表面貼裝 封裝/外殼:20-TSSOP(0.173",4.40mm 寬) 供應商器件封裝:20-TSSOP 標準包裝:2,500
74LCX245FT(AE) 功能描述:Transceiver, Non-Inverting 1 Element 8 Bit per Element Push-Pull Output 20-TSSOP 制造商:toshiba semiconductor and storage 系列:TC74LCX 包裝:帶卷(TR) 零件狀態(tài):有效 邏輯類型:收發(fā)器,非反相 元件數(shù):1 每元件位數(shù):8 輸入類型:- 輸出類型:推挽式 電流 - 輸出高,低:24mA,24mA 電壓 - 電源:1.65 V ~ 3.6 V 工作溫度:-40°C ~ 85°C(TA) 安裝類型:表面貼裝 封裝/外殼:20-TSSOP(0.173",4.40mm 寬) 供應商器件封裝:20-TSSOP 標準包裝:2,500