參數(shù)資料
型號: MC74VHC125MEL
廠商: ON SEMICONDUCTOR
元件分類: 總線收發(fā)器
英文描述: AHC/VHC SERIES, QUAD 1-BIT DRIVER, TRUE OUTPUT, PDSO14
封裝: EIAJ, PLASTIC, SOIC-14
文件頁數(shù): 6/11頁
文件大小: 178K
代理商: MC74VHC125MEL
MC74VHC125
Very High–Speed CMOS Logic
VHC Data – DL203 – Rev 2
45
MOTOROLA
SWITCHING WAVEFORMS
Figure 1.
Figure 2.
Y
50%
50% VCC
VCC
GND
HIGH
IMPEDANCE
VOL –0.3V
VOH +0.3V
Y
OE
tPZL tPLZ
tPZH tPHZ
* Includes all probe and jig capacitance
CL*
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
Figure 3. Test Circuit
* Includes all probe and jig capacitance
Figure 4. Test Circuit
OUTPUT
TEST POINT
CL *
1 k
CONNECT TO VCC WHEN
TESTING tPLZ AND tPZL.
CONNECT TO GND WHEN
TESTING tPHZ AND tPZH.
DEVICE
UNDER
TEST
HIGH
IMPEDANCE
50%
50% VCC
VCC
GND
tPLH
tPHL
A
Figure 5. Input Equivalent Circuit
INPUT
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