参数资料
型号: TC74LCX574F
元件分类: 总线收发器
英文描述: LVC/LCX/Z SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20
封装: 0.300 INCH, 1.27 MM PITCH, PLASTIC, SOP-20
文件页数: 9/11页
文件大小: 228K
代理商: TC74LCX574F
TC74LCX574F/FT/FK
2010-01-31
7
AC Waveform
VCC
Symbol
3.3
± 0.3 V
2.7V
2.5
± 0.2 V
1.8
± 0.15 V
VIH
2.7V
VCC
VIM
1.5V
VCC/2
Input
tr,tf
2.5ns
2.0ns
VOM
1.5V
VOH/2
VX
VOL +0.3V
VOL +0.15V
Output
VY
VOH -0.3V
VOH -0.15V
CL
50pF
30pF
Load
RL
500Ω
1kΩ
Figure 2 tpLH, tpHL, tw, ts, th
90%
VOM
10%
tr
VIM
tf
VIH
GND
90%
VIM
10%
ts (H)
th (H)
th (L)
ts (L)
tw (H)
tw (L)
Input
(CK)
VIH
GND
Input
(D)
tf
tr
Output
(Q)
VOH
VOL
tpLH
tpHL
Figure 3 tpLZ, tpHZ, tpZL, tpZH
90%
10%
VOL
VOH
GND
VIH
VOM
tpHZ
tpZH
tr
tf
VIM
GND
VOH
Outputs
enabled
VOM
tpLZ
tpZL
VX
VY
Outputs
disabled
Outputs
enabled
Output Enable
(
OE )
Output (Q)
Low to Off to Low
Output (Q)
High to Off to High
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