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參數(shù)資料
| 型號： | 74LCX245WM |
| 廠商： | Fairchild Semiconductor |
| 文件頁數(shù)： | 6/11頁 |
| 文件大小： | 0K |
| 描述： | IC TRANSCVR BIDIR 8BIT 20SOIC |
| 標準包裝： | 36 |
| 系列： | 74LCX |
| 邏輯類型： | 收發(fā)器，非反相 |
| 元件數(shù)： | 1 |
| 每個元件的位元數(shù)： | 8 |
| 輸出電流高，低： | 24mA，24mA |
| 電源電壓： | 2 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-SOIC |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 1211 (CN2011-ZH PDF) |
2005 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FST3125 Rev. 1.0.3
4
FST3125
—
4-
B
it
B
u
s
Swit
ch
DC Electrical Characteristics
Typical values are at VCC = 5.0V and TA = 25°C.
TA=-40 to +85°C
Symbol
Parameter
Conditions
VCC (V)
Min.
Typ.
Max.
Units
VIK
Clamp Diode Voltage
IIN = -18mA
4.5
-1.2
V
VIH
High-Level Input Voltage
4.0 to 5.5
2.0
V
VIL
Low-Level Input Voltage
4.0 to 5.5
0.8
V
IIN
Input Leakage Current
0
≤ V
IN ≤ 5.5
5.5
±1.0
A
IOZ
Off-state Leakage
Current
0
≤ A, B ≤ V
CC
5.5
±1.0
A
VIN = 0V, IIN = 64mA
4.5
4
7
VIN = 0V, IIN = 30mA
4.5
4
7
VIN = 2.4V, IIN = 15mA
4.5
8
15
RON
Switch On Resistance
(3)
VIN = 2.4V, IIN = 15mA
4.0
11
20
Ω
ICC
Quiescent Supply Current
VIN = VCC or GND,
IOUT = 0
5.5
3
A
ΔI
CC
Increase in ICC per Input
One Input at 3.4V, Other
Inputs at VCC or GND
5.5
2.5
mA
Note:
3.
Measured by the voltage drop between A and B pins at the indicated current through the switch. On resistance
is determined by the lower of the voltages on the A or B pins.
AC Electrical Characteristics
TA = -40 to +85°C, CL = 50pF, and RU = RD = 500Ω.
VCC = 4.5 – 5.5V
VCC = 4.0V
Symbol
Parameter
Conditions
Min.
Max.
Min.
Max.
Units
Figure
tPHL, tPLH
Propagation Delay
Bus-to-Bus
(4)
VIN = Open
0.25
ns
Figure 4
Figure 5
tPZH ,tPZL
Output Enable Time
VIN = 7V for tPZL
VIN = Open for
tPZH
1.0
5.0
5.5
ns
Figure 4
Figure 5
tPHZ, tPLZ
Output Disable Time
VIN = 7V for tPLZ
VIN = Open for
tPHZ
1.5
5.3
5.6
ns
Figure 4
Figure 5
Note:
4.
This parameter is guaranteed by design, but is not tested. The bus switch contributes no propagation delay
other than the RC delay of the typical on resistance of the switch and the 50pF load capacitance when driven by
an ideal voltage source (zero output impedance).
Capacitance
TA = +25°C, f = 1MHz. Capacitance is characterized, but not tested.
Symbol
Parameter
Conditions
Typ.
Units
CIN
Control Pin Input Capacitance
VCC = 5.0V
3
pF
CI/O
Input/Output Capacitance
VCC, /OE = 5.0V
2
pF
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74LCX245WM | 制造商:Fairchild Semiconductor Corporation 功能描述:74LCX CMOS SMD 74LCX245 SOIC20 |
| 74LCX245WM_08 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs |
| 74LCX245WM_Q | 功能描述:總線收發(fā)器 Bidirectional 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 |
| 74LCX245WMX | 功能描述:總線收發(fā)器 Bidirectional 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 |
| 74LCX245WMX_NL | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs |
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