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參數(shù)資料
| 型號： | TC74VHC244FK |
| 廠商： | Toshiba Corporation |
| 英文描述： | Octal Bus Buffer |
| 中文描述： | 八路總線緩沖器 |
| 文件頁數(shù)： | 5/10頁 |
| 文件大?。?/td> | 241K |
| 代理商： | TC74VHC244FK |
TC74VHC240,244F/FT/FK
2007-10-01
5
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
5.3
7.5
1.0
9.0
3.3
±
0.3
50
7.8
11.0
1.0
12.5
15
3.6
5.5
1.0
6.5
Propagation delay
time
(TC74VHC240)
t
pLH
t
pHL
5.0
±
0.5
50
5.1
7.5
1.0
8.5
ns
15
5.8
8.4
1.0
10.0
3.3
±
0.3
50
8.3
11.9
1.0
13.5
15
3.9
5.5
1.0
6.5
Propagation delay
time
(TC74VHC244)
t
pLH
t
pHL
5.0
±
0.5
50
5.4
7.5
1.0
8.5
ns
15
6.6
10.6
1.0
12.5
3.3
±
0.3
50
9.1
14.1
1.0
16.0
15
4.7
7.3
1.0
8.5
3-state output enable
time
t
pZL
t
pZH
R
L
=
1 k
Ω
5.0
±
0.5
50
6.2
9.3
1.0
10.5
ns
3.3
±
0.3
50
10.3
14.0
1.0
16.0
3-state output disable
time
t
pLZ
t
pHZ
R
L
=
1 k
Ω
5.0
±
0.5
50
6.7
9.2
1.0
10.5
ns
3.3
±
0.3
50
1.5
1.5
Output to output skew
t
osLH
t
osHL
(Note 1)
5.0
±
0.5
50
1.0
1.0
ns
Input capacitance
C
IN
4
10
10
pF
Output capacitance
C
OUT
6
pF
TC74VHC240
17
Power dissipation
capacitance (Note 2)
C
PD
TC74VHC244
19
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)
Noise Characteristics
(input: t
r
=
t
f
=
3 ns) (Note)
Test Condition
Ta
=
25°C
Characteristics
Symbol
V
CC
(V)
Typ.
Limit
Unit
Quiet output maximum dynamic V
OL
V
OLP
C
L
=
50 pF
5.0
0.5
(0.6)
0.8
(0.9)
V
Quiet output minimum dynamic V
OL
V
OLV
C
L
=
50 pF
5.0
0.5
(
0.6)
0.8
(
0.9)
V
Minimum high level dynamic input
voltage
V
IHD
C
L
=
50 pF
5.0
3.5
V
Maximum low level dynamic input
voltage
V
ILD
C
L
=
50 pF
5.0
1.5
V
Note:
The value in ( ) only applies to JEDEC SOP (FW) devices.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC74VHC244FK(EL,K) | 功能描述:緩沖器和線路驅(qū)動(dòng)器 Octal Bus Buffer 3-State Inverted RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| TC74VHC244FT | 功能描述:緩沖器和線路驅(qū)動(dòng)器 INCORRECT MOUSER P/N 3-State Inverted RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| TC74VHC244FT(EL) | 制造商:Toshiba America Electronic Components 功能描述:Buffer/Line Driver 8-CH Non-Inverting 3-ST CMOS 20-Pin TSSOP T/R 制造商:Toshiba America Electronic Components 功能描述:IC BUFF/DVR TRI-ST DUAL 20TSSOP |
| TC74VHC244FT(EL,K) | 制造商:Toshiba 功能描述:74VHC Octal Bus Buffer (3-State) 20TSSOP Tape & Reel 制造商:Toshiba America Electronic Components 功能描述:IC,Logic,74VHC Series TSSOP20,OCTAL BUS 制造商:Toshiba 功能描述:Buffer/Line Driver 8-CH Non-Inverting 3-ST CMOS 20-Pin TSSOP T/R |
| TC74VHC244FT(EL,M) | 制造商:Toshiba America Electronic Components 功能描述:IC BUFF/DVR TRI-ST DUAL 20TSSOP |
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