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TC74VHCT245AFT 데이터시트(PDF) 4 Page - Toshiba Semiconductor

부품명 TC74VHCT245AFT
상세설명  Octal Bus Transceiver
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제조업체  TOSHIBA [Toshiba Semiconductor]
홈페이지  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TC74VHCT245AFT 데이터시트(HTML) 4 Page - Toshiba Semiconductor

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TC74VHCT245AF/AFT/AFK
2007-10-01
4
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
4.5 to
5.5
2.0
2.0
V
Low-level input
voltage
VIL
4.5 to
5.5
0.8
0.8
V
IOH = −50 μA
4.5
4.4
4.5
4.4
High-level output
voltage
VOH
VIN
= VIH or
VIL
IOH = −8 mA
4.5
3.94
3.80
V
IOL = 50 μA
4.5
0.0
0.1
0.1
Low-level output
voltage
VOL
VIN
= VIH or
VIL
IOL = 8 mA
4.5
0.36
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
ICC
VIN = VCC or GND
5.5
4.0
40.0
μA
Quiescent supply
current
ICCT
Per input: VIN = 3.4 V
Other input: VCC or GND
5.5
1.35
1.50
mA
Output leakage
current
IOPD
VOUT = 5.5 V
0
0.5
5.0
μA
AC Characteristics (input: tr = tf = 3 ns)
Test Condition
Ta
= 25°C
Ta
=
40 to 85°C
Characteristics
Symbol
VCC (V) CL (pF)
Min
Typ.
Max
Min
Max
Unit
15
4.9
7.7
1.0
8.5
Propagation delay
time
tpLH
tpHL
5.0
± 0.5
50
5.4
8.7
1.0
9.5
ns
15
9.4
13.8
1.0
15.0
3-state output enable
time
tpZL
tpZH
RL = 1 kΩ
5.0
± 0.5
50
9.9
14.8
1.0
16.0
ns
3-state output disable
time
tpLZ
tpHZ
RL = 1 kΩ
5.0
± 0.5
50
10.1
15.4
1.0
16.5
ns
Output to output skew
tosLH
tosHL
(Note 1) 5.0
± 0.5
50
1.0
1.0
ns
Input capacitance
CIN
DIR,
G
4
10
10
pF
Bus input capacitance
CI/O
An, Bn
13
pF
Power dissipation
capacitance
CPD
(Note 2)
16
pF
Note 1: Parameter guaranteed by design.
tosLH = |tpLHm − tpLHn|, tosHL = |tpHLm − tpHLn|
Note 2: CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating
current consumption without load.
Average operating current can be obtained by the equation:
ICC (opr) = CPD·VCC·fIN + ICC/8 (per bit)


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