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TC74VHC257FT 数据表(PDF) 4 Page - Toshiba Semiconductor

部件名 TC74VHC257FT
功能描述  Quad 2-Channel Multiplexer (3-state)
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制造商  TOSHIBA [Toshiba Semiconductor]
网页  http://www.semicon.toshiba.co.jp/eng
标志 TOSHIBA - Toshiba Semiconductor

TC74VHC257FT 数据表(HTML) 4 Page - Toshiba Semiconductor

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TC74VHC257F/FT/FK
2012-02-29
4
Operating Ranges (Note)
Characteristics
Symbol
Rating
Unit
Supply voltage
VCC
2.0 to 5.5
V
Input voltage
VIN
0 to 5.5
V
Output voltage
VOUT
0 to VCC
V
Operating temperature
Topr
−40 to 85
°C
Input rise and fall time
dt/dv
0 to 100 (VCC = 3.3 ± 0.3 V)
0 to 20 (VCC = 5 ± 0.5 V)
ns/V
Note 1: The operating ranges must be maintained to ensure the normal operation of the device.
Unused inputs must be tied to either VCC or GND.
Electrical Characteristics
DC Characteristics
Test Condition
Ta = 25°C
Ta =
−40 to 85°C
Characteristics
Symbol
VCC (V)
Min
Typ.
Max
Min
Max
Unit
High-level input
voltage
VIH
2.0
3.0 to 5.5
1.50
VCC ×
0.7
1.50
VCC ×
0.7
V
Low-level input
voltage
VIL
2.0
3.0 to 5.5
0.50
VCC ×
0.3
0.50
VCC ×
0.3
V
IOH = −50 μA
2.0
3.0
4.5
1.9
2.9
4.4
2.0
3.0
4.5
1.9
2.9
4.4
High-level output
voltage
VOH
VIN
= VIH or
VIL
IOH = −4 mA
IOH = −8 mA
3.0
4.5
2.58
3.94
2.48
3.80
V
IOL = 50 μA
2.0
3.0
4.5
0.0
0.0
0.0
0.1
0.1
0.1
0.1
0.1
0.1
Low-level output
voltage
VOL
VIN
= VIH or
VIL
IOL = 4 mA
IOL = 8 mA
3.0
4.5
0.36
0.36
0.44
0.44
V
3-state output
off-state current
IOZ
VIN = VIH or VIL
VOUT = VCC or GND
5.5
±0.25
±2.50
μA
Input leakage
current
IIN
VIN = 5.5 V or GND
0 to 5.5
±0.1
±1.0
μA
Quiescent supply
current
ICC
VIN = VCC or GND
5.5
4.0
40.0
μA


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