參數(shù)資料
型號(hào)： FXL4T245BQX
廠商： Fairchild Semiconductor
文件頁(yè)數(shù)： 2/9頁(yè)
文件大小： 0K
描述： TRANSLATOR 4BIT DUAL LV 14DQFN
產(chǎn)品培訓(xùn)模塊： Logic Translator Solutions
特色產(chǎn)品： FXL4T245BQX - Low Voltage Dual Supply 4-Bit Signal Translator
標(biāo)準(zhǔn)包裝： 1
邏輯功能： 變換器，雙向，3 態(tài)
位數(shù)： 4
輸入類型： 電壓
輸出類型： 電壓
通道數(shù)： 1
輸出/通道數(shù)目： 1
差分 - 輸入:輸出： 無(wú)/無(wú)
傳輸延遲（最大）： 3.5ns
電源電壓： 1.1 V ~ 3.6 V
工作溫度： -40°C ~ 85°C
封裝/外殼： 14-WFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝： 14-DQFN
包裝： 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁(yè)面： 1223 (CN2011-ZH PDF)
其它名稱： FXL4T245BQXDKR
www.fairchildsemi.com
2
FXL4T245
Terminal Descriptions
Truth Table
H
= HIGH Voltage Level
L
= LOW Voltage Level
X
= Don’t Care
Connection Diagram
Terminal Assignments for DQFN
(Top View)
Terminal Assignment
Power-Up/Power-Down Sequencing
FXL translators offer an advantage in that either VCC may
be powered up first. This benefit derives from the chip
design. When either VCC is at 0 volts, outputs are in a
HIGH-Impedance state. The control inputs (T/R and OE)
are designed to track the VCCA supply. A pull-up resistor
tying OE to VCCA should be used to ensure that bus con-
tention, excessive currents, or oscillations do not occur
during power-up/power-down. The size of the pull-up resis-
tor is based upon the current-sinking capability of the OE
driver.
The recommended power-up sequence is the following:
1. Apply power to either VCC.
2. Apply power to the T/R input (Logic HIGH for A-to-B
operation; Logic LOW for B-to-A operation) and to the
respective data inputs (A Port or B Port). This may
occur at the same time as Step 1.
3. Apply power to other VCC.
4. Drive the OE input LOW to enable the device.
The recommended power-down sequence is the following:
1. Drive OE input HIGH to disable the device.
2. Remove power from either VCC.
3. Remove power from other VCC.
Terminal
Names
Description
OE
Output Enable Input
T/R
Transmit/Receive Input
An
Side A Inputs or 3-STATE Outputs
Bn
Side B Inputs or 3-STATE Outputs
VCCA
Side A Power Supply
VCCB
Side B Power Supply
GND
Ground
Inputs
Outputs
OE
T/R
L
Bus B Data to Bus A
L
H
Bus A Data to Bus B
Terminal Number
Terminal Name
1VCCA
2A0
3A1
4A2
5A3
6T/R
7GND
8GND
9OE
10
B3
11
B2
12
B1
13
B0
14
VCCB
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
FXL4TD245 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Low Voltage Dual Supply 4-Bit Signal Translator with Configurable Voltage Supplies and Signal Levels and 3-STATE
FXL4TD245BQX 功能描述:總線收發(fā)器 LV Dual Supply 4-Bit Signal Translator 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
FXL4TD245UMX 功能描述:總線收發(fā)器 Low Voltage;2xSupply 4-Bit Signal Trnsltr 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
FXL5T244 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Low Voltage Dual Supply 5-Bit Signal Translator with Configurable Voltage Supplies with Configurable Voltage Supplies
FXL5T244BQX 功能描述:轉(zhuǎn)換 - 電壓電平 Dual Supply 5-Bit Signal Translator RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時(shí)間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8
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