參數(shù)資料
型號(hào): SN74AVCH4T245PWR
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(yè)數(shù): 12/25頁(yè)
文件大?。?/td> 904K
代理商: SN74AVCH4T245PWR
www.ti.com
DESCRIPTION/ORDERING INFORMATION (CONTINUED)
DIR
OE
A1
B1
A2
B2
4-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES577D – JUNE 2004 – REVISED JUNE 2007
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.
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
SN74AVCH4T245RGYR
WS245
QFN – RSV
Tape and reel
SN74AVCH4T245RSVR
ZWV
Tube
SN74AVCH4T245D
SOIC – D
AVCH4T245
–40
°C to 85°C
Tape and reel
SN74AVCH4T245DR
Tube
SN74AVCH4T245PW
TSSOP – PW
WS245
Tape and reel
SN74AVCH4T245PWR
TVSOP – DGV
Tape and reel
SN74AVCH4T245DGVR
WS245
(1)
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
(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.
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 AVCH4T245
2
相關(guān)PDF資料
PDF描述
SN74AVCH8T245DGVR AVC SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO24
SN74AVCH8T245PWE4 AVC SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO24
SN74BCT2240NSRG4 BCT/FBT SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDSO20
SN74BCT2240DWG4 BCT/FBT SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDSO20
SN74BCT2240NSR BCT/FBT SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDSO20
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SN74AVCH4T245PWT 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
SN74AVCH4T245RGYR 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
SN74AVCH4T245RSVR 功能描述:轉(zhuǎn)換 - 電壓電平 4B 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
SN74AVCH8T245DGVR 功能描述:轉(zhuǎn)換 - 電壓電平 4B 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
SN74AVCH8T245PW 功能描述:轉(zhuǎn)換 - 電壓電平 4B 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