参数资料
型号: MC74LCX2952SD
厂商: ON SEMICONDUCTOR
元件分类: 总线收发器
英文描述: LVC/LCX/Z SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24
封装: PLASTIC, SSOP-24
文件页数: 6/43页
文件大小: 383K
代理商: MC74LCX2952SD
LCX Family Specifications
LCX DATA
BR1339 — REV 3
9
MOTOROLA
PULSE WIDTH
tR = tF = 2.5ns (or fast as required) from 10% to 90%;
Output requirements: VOL ≤ 0.8V, VOH ≥ 2.0V
VCC
0V
VCC
0V
50%
Figure 3. LVX AC Waveforms
tw
50%
tw
OPEN
PULSE
GENERATOR
RT
DUT
VCC
RL
R1
CL
2
× VCC
TEST
SWITCH
tPLH, tPHL, tPZH, tPHZ
Open
tPZL, tPLZ
2
× VCC
CL = 50pF or equivalent (Includes jig and probe capacitance)
RL = R1 = 500 or equivalent
RT = ZOUT of pulse generator (typically 50)
Figure 4. LVX Test Circuit
LCXxxx Devices
VCC
VCC – 0.2V
2.0V
0.8V
0.2V
0V
AC TEST
INPUT LEVELS
DC LOW
INPUT RANGE
LOW LEVEL
NOISE
IMMUNITY
DC HIGH
INPUT RANGE
HIGH LEVEL
NOISE
IMMUNITY
TRANSITION
REGION
Figure 5. Test Input Signal Levels
2.7V
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