- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄369308 > 74LCX244 (意法半導體) Low Voltage CMOS Octal Bus Buffer (3-State) with 5V Tolerant Inputs and Outputs(低壓八總線緩沖器) PDF資料下載
參數(shù)資料
| 型號： | 74LCX244 |
| 廠商： | 意法半導體 |
| 英文描述： | Low Voltage CMOS Octal Bus Buffer (3-State) with 5V Tolerant Inputs and Outputs(低壓八總線緩沖器) |
| 中文描述： | 低電壓的CMOS八路總線緩沖器（三態(tài)與5V容限輸入和輸出（低壓八總線緩沖器）） |
| 文件頁數(shù)： | 4/8頁 |
| 文件大小： | 79K |
| 代理商： | 74LCX244 |
CAPACITIVE CHARACTERISTICS
Symbol
Parameter
Test Conditions
Value
T
A
= 25
o
C
Min.
Typ.
Unit
V
CC
(V)
Max.
C
IN
C
OUT
C
PD
Input Capacitance
Output 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
10
40
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)
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
)
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.
7.5
6.5
9.0
8.0
8.0
7.0
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
74LCX244
4/8
相關PDF資料 |
PDF描述 |
|---|---|
| 74LCX245MTR | LOW VOLTAGE CMOS OCTAL BUS TRANSCEIVER (3-STATE) WITH 5V TOLERANT INPUTS AND OUTPUTS |
| 74LCX245TTR | LOW VOLTAGE CMOS OCTAL BUS TRANSCEIVER (3-STATE) WITH 5V TOLERANT INPUTS AND OUTPUTS |
| 74LCX245 | LOW VOLTAGE OCTAL BUS TRANSCEIVER WITH 5V TOLERANT INPUTS AND OUTPUTS |
| 74LCX245 | LOW-VOLTAGE CMOS OCTAL TRANSCEIVER |
| 74LCX245BQX | Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 74LCX244 WAF | 制造商:Texas Instruments 功能描述: |
| 74LCX244_04 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LOW VOLTAGE CMOS OCTAL BUS BUFFER (3-STATE) WITH 5V TOLERANT INPUTS AND OUTPUTS |
| 74LCX244-09 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:74LCX244 Low Voltage Buffer/Line Driver with 5V Tolerant Inputs and Outputs |
| 74LCX244BQX | 功能描述:緩沖器和線路驅動器 Octal Buffer/Line Driver with 3-State RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| 74LCX244FT | 功能描述:Buffer, Non-Inverting 2 Element 4 Bit per Element Push-Pull Output 20-TSSOP 制造商:toshiba semiconductor and storage 系列:74LCX 包裝:剪切帶（CT） 零件狀態(tài):有效 邏輯類型:緩沖器，非反向 元件數(shù):2 每元件位數(shù):4 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:1 |
發(fā)布緊急采購，3分鐘左右您將得到回復。