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參數(shù)資料
| 型號： | TC74VHCT245AFK |
| 廠商： | Toshiba Corporation |
| 英文描述： | Octal Bus Transceiver |
| 中文描述： | 八路總線收發(fā)器 |
| 文件頁數(shù)： | 4/9頁 |
| 文件大?。?/td> | 227K |
| 代理商： | TC74VHCT245AFK |
TC74VHCT245AF/AFT/AFK
2007-10-01
4
Electrical Characteristics
DC Characteristics
Test Condition
Ta
=
25°C
Ta
=
40 to 85°C
Characteristics
Symbol
V
CC
(V)
Min
Typ.
Max
Min
Max
Unit
High-level input
voltage
V
IH
4.5 to
5.5
2.0
2.0
V
Low-level input
voltage
V
IL
4.5 to
5.5
0.8
0.8
V
I
OH
=
50
μ
A
4.5
4.4
4.5
4.4
High-level output
voltage
V
OH
V
IN
=
V
IH
or
V
IL
I
OH
=
8 mA
4.5
3.94
3.80
V
I
OL
=
50
μ
A
4.5
0.1
0.1
Low-level output
voltage
V
OL
V
IN
=
V
IH
or
V
IL
I
OL
=
8 mA
4.5
0.36
0.44
V
3-state output
off-state current
I
OZ
V
IN
=
V
IH
or V
IL
V
OUT
=
V
CC
or GND
5.5
±
0.25
±
2.50
μ
A
Input leakage
current
I
IN
V
IN
=
5.5 V or GND
0 to 5.5
±
0.1
±
1.0
μ
A
I
CC
V
IN
=
V
CC
or GND
5.5
4.0
40.0
μ
A
Quiescent supply
current
I
CCT
Per input: V
IN
=
3.4 V
Other input: V
CC
or GND
5.5
1.35
1.50
mA
Output leakage
current
I
OPD
V
OUT
=
5.5 V
0
0.5
5.0
μ
A
AC Characteristics
(input: t
r
=
t
f
=
3 ns)
Test Condition
Ta
=
25°C
Ta
=
40 to 85°C
Characteristics
Symbol
V
CC
(V)
C
L
(pF)
Min
Typ.
Max
Min
Max
Unit
15
4.9
7.7
1.0
8.5
Propagation delay
time
t
pLH
t
pHL
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
t
pZL
t
pZH
R
L
=
1 k
Ω
5.0
±
0.5
50
9.9
14.8
1.0
16.0
ns
3-state output disable
time
t
pLZ
t
pHZ
R
L
=
1 k
Ω
5.0
±
0.5
50
10.1
15.4
1.0
16.5
ns
Output to output skew
t
osLH
t
osHL
(Note 1) 5.0
±
0.5
50
1.0
1.0
ns
Input capacitance
C
IN
DIR,
G
4
10
10
pF
Bus input capacitance
C
I/O
An, Bn
13
pF
Power dissipation
capacitance
C
PD
(Note 2)
16
pF
Note 1: Parameter guaranteed by design.
t
osLH
=
|
t
pLHm
t
pLHn
|
, t
osHL
=
|
t
pHLm
t
pHLn
|
Note 2: C
PD
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:
I
CC (opr)
=
C
PD
·V
CC
·f
IN
+
I
CC
/8 (per bit)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC74VHCT245AFK(E,K | 制造商:Toshiba America Electronic Components 功能描述:Octal Bus Transceiver 3-State 5V US20 |
| TC74VHCT245AFT(E,K | 制造商:Toshiba 功能描述:74VHCT Octal Bus Transceiver (3-State) 20TSSOP Cut Tape 制造商:Toshiba America Electronic Components 功能描述:Logic,74VHCT Series,TSSOP#@ 制造商:Toshiba 功能描述:Bus XCVR Single 8-CH 3-ST 20-Pin TSSOP |
| TC74VHCT245AFT(EL) | 制造商:Toshiba America Electronic Components 功能描述:IC BUS TRANSCVR 8BIT 20TSSOP |
| TC74VHCT245AFTEL | 制造商:Toshiba America Electronic Components 功能描述:NAND GATE - Tape and Reel 制造商:Toshiba 功能描述:74VHCT Octal Bus Transceiver(3-State) 制造商:Toshiba 功能描述:74VHCT Octal Bus Transceiver(3-State) Cut Tape |
| TC74VHCT245AFT-EL | 制造商:Toshiba America Electronic Components 功能描述:Bus XCVR Single 8-CH 3-ST 20-Pin TSSOP T/R 制造商:Toshiba America Electronic Components 功能描述:BUS XCVR SGL 8CH 3-ST 20TSSOP - Bulk |
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