參數(shù)資料
型號(hào): MC74LCX244
廠(chǎng)商: Motorola, Inc.
英文描述: Low-Voltage CMOS Octal Buffer With 5V-Tolerant Inputs and Outputs(3-State, Non-Inverting)
中文描述: 低電壓的CMOS八路緩沖區(qū)5V容限輸入和輸出(三態(tài),非反相)
文件頁(yè)數(shù): 5/8頁(yè)
文件大?。?/td> 152K
代理商: MC74LCX244
MC74LCX244
LCX DATA
BR1339 — REV 3
5
MOTOROLA
WAVEFORM 1 – PROPAGATION DELAYS
tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns
2.7V
0V
VOH
VOL
1Dn, 2Dn
1On, 2On
tPHL
tPLH
WAVEFORM 2 – OUTPUT ENABLE AND DISABLE TIMES
tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns
2.7V
0V
0V
1OE, 2OE
1On, 2On
tPZH
3.0V
tPHZ
tPZL
tPLZ
1On, 2On
1.5V
1.5V
1.5V
1.5V
1.5V
1.5V
Figure 1. AC Waveforms
1.5V
VCC
VOH – 0.3V
VOL + 0.3V
GND
OPEN
GND
PULSE
GENERATOR
RT
DUT
VCC
RL
R1
CL
6V
TEST
SWITCH
tPLH, tPHL
Open
tPZL, tPLZ
6V
Open Collector/Drain tPLH and tPHL
6V
tPZH, tPHZ
CL = 50pF or equivalent (Includes jig and probe capacitance)
RL = R1 = 500
or equivalent
RT = ZOUT of pulse generator (typically 50
)
GND
Figure 2. Test Circuit
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MC74LCX244SD Low-Voltage CMOS Octal Buffer With 5V-Tolerant Inputs and Outputs(3-State, Non-Inverting)
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MC74LCX244DTEL 制造商:Rochester Electronics LLC 功能描述:- Bulk
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