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參數(shù)資料
| 型號： | 74LVX245SJX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Low Voltage Octal Bidirectional Transceiver |
| 中文描述： | LV/LV-A/LVX/H SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | EIAJ TYPE2, PLASTIC, SOIC-20 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大?。?/td> | 130K |
| 代理商： | 74LVX245SJX |
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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| 74LVX245TTR | 功能描述:總線收發(fā)器 Octal Bus Transceivr 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 |
| 74LVX257MTR | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Quad 2-Ch Multiplexr RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| 74LVX257TTR | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Quad 2-Ch Multiplexr RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| 74LVX273M | 功能描述:觸發(fā)器 Oct D-Type Flip-Flop RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時(shí)間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
| 74LVX273M | 制造商:Fairchild Semiconductor Corporation 功能描述:IC 74LVX SMD 74LVX273 SOIC20 |
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