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參數(shù)資料
| 型號(hào)： | 74LVX245MSC |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Low Voltage Octal Bidirectional Transceiver |
| 中文描述： | 低壓八路雙向收發(fā)器 |
| 文件頁(yè)數(shù)： | 3/6頁(yè) |
| 文件大?。?/td> | 130K |
| 代理商： | 74LVX245MSC |
Noise Characteristics
Symbol
Parameter
V
CC
(V)
74LVX245
Units
Conditions
C
L
(pF)
T
A
e
25
§
C
Typ
Limit
V
OLP
Quiet Output Maximum Dynamic V
OL
3.3
0.5
0.8
V
50
V
OLV
Quiet Output Minimum Dynamic V
OL
3.3
b
0.5
b
0.8
V
50
V
IHD
Minimum High Level Dynamic Input Voltage
3.3
2.0
V
50
V
ILD
Maximum Low Level Dynamic Input Voltage
3.3
0.8
V
50
Note:
Input t
r
e
t
f
e
3 ns
AC Electrical Characteristics
Symbol
Parameter
V
CC
(V)
74LVX245
74LVX245
Units
Conditions
T
A
e a
25
§
C
T
A
e
b
40
§
C to
a
85
§
C
Min
Typ
Max
Min
Max
t
PLH
t
PHL
Propagation Delay Time
2.7
6.1
10.7
1.0
13.5
ns
C
L
e
15 pF
8.6
14.2
1.0
17.0
C
L
e
50 pF
3.3
g
0.3
4.7
6.8
1.0
8.0
C
L
e
15 pF
7.2
10.1
1.0
11.5
C
L
e
50 pF
t
PZL
t
PZH
TRI-STATE Output
Enable Time
2.7
9.0
16.9
1.0
20.5
ns
C
L
e
15 pF, R
L
e
1 k
X
11.5
20.4
1.0
24.0
C
L
e
50 pF, R
L
e
1 k
X
3.3
g
0.3
7.1
11.0
1.0
13.0
C
L
e
15 pF, R
L
e
1 k
X
9.6
14.5
1.0
16.5
C
L
e
50 pF, R
L
e
1 k
X
t
PLZ
t
PHZ
TRI-STATE Output
Disable Time
2.7
11.5
18.0
1.0
21.0
ns
C
L
e
50 pF, R
L
e
1 k
X
3.3
g
0.3
9.6
12.8
1.0
14.5
C
L
e
50 pF, R
L
e
1 k
X
t
OSLH
t
OSHL
Output to Output Skew
(Note 1)
2.7
1.5
1.5
ns
C
L
e
50 pF (Note 1)
Note 1:
Parameter guaranteed by design. t
OSLH
e
l
t
PLHm
b
t
PLHn
l
, t
OSHL
e
l
t
PHLm
b
t
PHLn
l
Capacitance
Symbol
Parameter
74LVX245
74LVX245
Units
T
A
e a
25
§
C
T
A
e
b
40
§
C to
a
85
§
C
Min
Typ
Max
Min
Max
C
IN
Input Capacitance T/R, OE
4
10
10
pF
C
I/O
Output Capacitance A
n
, B
n
8
pF
C
PD
Power Dissipation
Capacitance (Note 1)
21
pF
Note 1:
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.)
e
C
PD
c
V
CC
c
f
IN
a
I
CC
8 (per bit)
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PDF描述 |
|---|---|
| 74LVX245MTC | Low Voltage Octal Bidirectional Transceiver |
| 74LVX245MTCX | Low Voltage Octal Bidirectional Transceiver |
| 74LVX245MX | Low Voltage Octal Bidirectional Transceiver |
| 74LVX245SJ | Low Voltage Octal Bidirectional Transceiver |
| 74LVX245SJX | Low Voltage Octal Bidirectional Transceiver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74LVX245MSCX | 制造商:Texas Instruments 功能描述: |
| 74LVX245MTC | 功能描述:總線收發(fā)器 Octal Bidir Trans RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74LVX245MTC_Q | 功能描述:總線收發(fā)器 Octal Bidir Trans RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74LVX245MTCX | 功能描述:總線收發(fā)器 Octal Bidir Trans RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74LVX245MTCX_NL | 功能描述:總線收發(fā)器 FINISHED GOOD RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
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