參數(shù)資料
型號(hào)： SN74AVC4T245PWR
廠商： TEXAS INSTRUMENTS INC
元件分類： 總線收發(fā)器
英文描述： AVC SERIES, DUAL 2-BIT TRANSCEIVER, TRUE OUTPUT, PDSO16
封裝： GREEN, PLASTIC, TSSOP-16
文件頁數(shù)： 12/25頁
文件大?。?/td> 882K
代理商： SN74AVC4T245PWR
DIR
OE
A1
A2
B1
B2
SCES576D – JUNE 2004 – REVISED SEPTEMBER 2007
www.ti.com
DESCRIPTION/ORDERING INFORMATION (CONTINUED)
The VCC isolation feature ensures that if either VCC input is at GND, then both ports are in the high-impedance
state.
To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
ORDERING INFORMATION
TA
PACKAGE(1) (2)
ORDERABLE PART NUMBER
TOP-SIDE MARKING
QFN – RGY
Tape and reel
SN74AVC4T245RGYR
WT245
QFN – RSV
Tape and reel
SN74AVC4T245RSVR
ZWU
Tube
SN74AVC4T245D
SOIC – D
AVC4T245
–40°C to 85°C
Tape and reel
SN74AVC4T245DR
Tube
SN74AVC4T245PW
TSSOP – PW
WT245
Tape and reel
SN74AVC4T245PWR
TVSOP – DGV
Tape and reel
SN74AVC4T245DGVR
WT245
(1)
Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.
(2)
For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
website at www.ti.com.
Table 1. FUNCTION TABLE(1)
(each 2-bit section)
CONTROL INPUTS
OUTPUT CIRCUITS
OPERATION
OE
DIR
A PORT
B PORT
L
Enabled
Hi-Z
B data to A bus
L
H
Hi-Z
Enabled
A data to B bus
H
X
Hi-Z
Isolation
(1)
Input circuits of the data I/Os are always active.
LOGIC DIAGRAM (POSITIVE LOGIC) FOR 1/2 OF AVC4T245
2
Copyright 2004–2007, Texas Instruments Incorporated
Product Folder Link(s): SN74AVC4T245
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SN74AVC4T245PWRE4 功能描述:轉(zhuǎn)換 - 電壓電平 Low Power Dual Channel 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
SN74AVC4T245PWRG4 功能描述:轉(zhuǎn)換 - 電壓電平 4B Dual Supply Bus Trancvr 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
SN74AVC4T245PWT 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
SN74AVC4T245PWT 制造商:Texas Instruments 功能描述:IC 4BIT BUS TRANSCEIVER DUAL SMD
SN74AVC4T245PWTE4 功能描述:轉(zhuǎn)換 - 電壓電平 Low-Power Portable Aud Converter 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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