參數(shù)資料
型號(hào): SN74AVCH2T45YEPR
廠商: TEXAS INSTRUMENTS INC
元件分類: 總線收發(fā)器
英文描述: AVC SERIES, 2-BIT TRANSCEIVER, TRUE OUTPUT, PBGA8
封裝: DSBGA-8
文件頁(yè)數(shù): 12/22頁(yè)
文件大?。?/td> 365K
代理商: SN74AVCH2T45YEPR
www.ti.com
DESCRIPTION/ORDERING INFORMATION (CONTINUED)
B1
DIR
5
7
A1
2
VCCA
VCCB
B2
6
A2
3
SN74AVCH2T45
DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES582D – JULY 2004 – REVISED AUGUST 2005
The SN74AVCH2T45 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 outputs are in the high-impedance
state. The bus-hold circuitry on the powered-up side always stays active.
Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors
with the bus-hold circuitry is not recommended.
NanoStar and NanoFree package technology is a major breakthrough in IC packaging concepts, using the
die as the package.
FUNCTION TABLE
(EACH TRANSCEIVER)
INPUT
OPERATION
DIR
L
B data to A bus
H
A data to B bus
LOGIC DIAGRAM (POSITIVE LOGIC)
2
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SN74AVCH2T45YZPR 功能描述:轉(zhuǎn)換 - 電壓電平 DUAL 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
SN74AVCH32T245KR 功能描述:總線收發(fā)器 32B Dual Supply Bus Transceiver 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
SN74AVCH32T245ZKER 功能描述:轉(zhuǎn)換 - 電壓電平 32B 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
SN74AVCH4T245D 功能描述:轉(zhuǎn)換 - 電壓電平 4-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
SN74AVCH4T245DE4 功能描述:轉(zhuǎn)換 - 電壓電平 4-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