參數(shù)資料
型號(hào)： SN74AVC1T45YEPR
廠商： TEXAS INSTRUMENTS INC
元件分類： 總線收發(fā)器
英文描述： AVC SERIES, 1-BIT TRANSCEIVER, TRUE OUTPUT, PBGA6
封裝： DSBGA-6
文件頁(yè)數(shù)： 12/21頁(yè)
文件大?。?/td> 494K
代理商： SN74AVC1T45YEPR
www.ti.com
DESCRIPTION/ORDERING INFORMATION (CONTINUED)
B
DIR
5
4
A
3
VCCA
VCCB
SINGLE-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES530E – DECEMBER 2003 – REVISED JUNE 2006
The SN74AVC1T45 is designed for asynchronous communication between two data buses. The logic levels of
the direction-control (DIR) input activate either the B-port outputs or the A-port outputs. The device transmits
data from the A bus to the B bus when the B-port outputs are activated and from the B bus to the A bus when
the A-port outputs are activated. The input circuitry on both A and B ports always is active and must have a logic
HIGH or LOW level applied to prevent excess ICC and ICCZ.
The SN74AVC1T45 is designed so that the DIR input is powered by VCCA.
This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs,
preventing damaging current backflow through the device when it is powered down.
The VCC isolation feature ensures that if either VCC input is at GND, then both ports are in the high-impedance
state.
NanoStar and NanoFree package technology is a major breakthrough in IC packaging concepts, using the
die as the package.
FUNCTION TABLE(1)
INPUT
OPERATION
DIR
L
B data to A bus
H
A data to B bus
(1)
Input circuits of the data I/Os
always are active.
LOGIC DIAGRAM (POSITIVE LOGIC)
2
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SN74AVC1T45YZPR 功能描述:轉(zhuǎn)換 - 電壓電平 Single-Bit Dual Supply Bus Trans 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
SN74AVC1T45YZTR 功能描述:轉(zhuǎn)換 - 電壓電平 Sgl Bit Dual-Supply Bus Xcvr 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
SN74AVC20T245DGG 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:
SN74AVC20T245DGGR 功能描述:轉(zhuǎn)換 - 電壓電平 20B Dual Supply Bus Xceiver 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
SN74AVC20T245DGVR 功能描述:轉(zhuǎn)換 - 電壓電平 20-Bit Dual Supply Bus Transceiver 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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