參數(shù)資料
型號(hào): MC74LCX125M
廠商: MOTOROLA INC
元件分類: 通用總線功能
英文描述: LOW-VOLTAGE CMOS QUAD BUFFER
中文描述: LVC/LCX/Z SERIES, QUAD 1-BIT DRIVER, TRUE OUTPUT, PDSO14
封裝: EIAJ, PLASTIC, SOIC-14
文件頁數(shù): 4/7頁
文件大?。?/td> 142K
代理商: MC74LCX125M
MC74LCX125
MOTOROLA
LCX DATA
BR1339 — REV 3
4
WAVEFORM 1 – PROPAGATION DELAYS
tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns
2.7V
0V
VOH
VOL
Dn
On
tPHL
tPLH
WAVEFORM 2 – OUTPUT ENABLE AND DISABLE TIMES
tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns
2.7V
0V
0V
OEn
On
tPZH
3.0V
tPHZ
tPZL
tPLZ
On
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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