전자부품 반도체 검색엔진( 무료 PDF 다운로드 ) - 데이터시트뱅크
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TC74LCX245F(2010) 데이터 시트보기 (PDF) - Toshiba
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TC74LCX245F
(Rev.:2010)
Low-Voltage Octal Bus Transceiver with 5-V Tolerant Inputs and Outputs
Toshiba
TC74LCX245F Datasheet PDF : 12 Pages
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AC Waveform
Input
(An, Bn)
Output
(Bn, An)
TC74LCX245F/FT/FK
t
r
t
f
90%
V
IM
10%
t
pLH
V
OM
t
pHL
Figure 2 t
pLH
, t
pHL
V
IH
GND
V
OH
V
OL
Output Enable
( OE )
Output (An, Bn)
Low to Off to Low
Output (An, Bn)
High to Off to High
t
r
t
pLZ
t
f
90%
V
IM
10%
t
pZL
V
X
t
pHZ
V
Y
t
pZH
Outputs
enabled
Outputs
disabled
V
OM
V
OM
Outputs
enabled
Figure 3 t
pLZ
, t
pHZ
, t
pZL
, t
pZH
V
IH
GND
V
OH
V
OL
V
OH
GND
Input
Output
Load
Symbol
V
IH
V
IM
tr,tf
V
OM
V
X
V
Y
C
L
R
L
3.3
±
0.3 V
2.7V
2.7V
1.5V
2.5ns
1.5V
V
OL
+0.3V
V
OH
-0.3V
50pF
500
Ω
V
CC
2.5
±
0.2 V
V
CC
V
CC
/2
2.0ns
V
OH
/2
V
OL
+0.15V
V
OL
-0.15V
30pF
500
Ω
1.8
±
0.15 V
V
CC
V
CC
/2
2.0ns
V
OH
/2
V
OL
+0.15V
V
OL
-0.15V
30pF
1k
Ω
8
2010-01-31
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