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參數(shù)資料
| 型號： | SN74AVCH2T45YEPR |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS |
| 中文描述： | 雙位雙電源總線收發(fā)器可配置電壓轉(zhuǎn)換和三態(tài)輸出 |
| 文件頁數(shù)： | 1/23頁 |
| 文件大小： | 407K |
| 代理商： | SN74AVCH2T45YEPR |
www.ti.com
FEATURES
Available in the Texas Instruments
NanoStar and NanoFree Packages
Control Inputs V
IH
/V
IL
Levels Are Referenced
to V
CCA
Voltage
Fully Configurable Dual-Rail Design Allows
Each Port to Operate Over the Full 1.2-V to
3.6-V Power-Supply Range
I/Os Are 4.6-V Tolerant
I
off
Supports Partial-Power-Down Mode
Operation
Bus Hold on Data Inputs Eliminates the Need
for External Pullup/Pulldown Resistors
DCT OR DCU PACKAGE
(TOP VIEW)
1
2
3
4
8
7
6
5
V
CCA
A1
A2
GND
V
CCB
B1
B2
DIR
4
3
2
1
5
6
7
8
GND
A2
A1
V
CCA
DIR
B2
B1
V
CCB
YEP OR YZP PACKAGE
(BOTTOM VIEW)
DESCRIPTION/ORDERING INFORMATION
This
dual-bit
noninverting
SN74AVCH2T45 is optimized to operate with V
CCA
/V
CCB
set at 1.4 V to 3.6 V. It is operational with V
CCA
/V
CCB
as
low as 1.2 V. The A port is designed to track V
CCA
. V
CCA
accepts any supply voltage from 1.2 V to 3.6 V. The B
port is designed to track V
. V
accepts any supply voltage from 1.2 V to 3.6 V. This allows for universal
low-voltage bidirectional translation between any of the 1.2-V, 1.5-V, 1.8-V, 2.5-V, and 3.3-V voltage nodes.
SN74AVCH2T45
DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES582D–JULY 2004–REVISED AUGUST 2005
Max Data Rates
– 500 Mbps (1.8-V to 3.3-V Translation)
– 320 Mbps (<1.8-V to 3.3-V Translation)
– 320 Mbps (Translate to 2.5 V or 1.8 V)
– 180 Mbps (Translate to 1.5 V)
– 240 Mbps (Translate to 1.2 V)
Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
– 1000-V Charged-Device Model (C101)
bus
transceiver
uses
two
separate
configurable
power-supply
rails.
The
The SN74AVCH2T45 is designed for asynchronous communication between data buses. The device transmits
data from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the
direction-control (DIR) input.
ORDERING INFORMATION
T
A
PACKAGE
(1)
ORDERABLE PART NUMBER
TOP-SIDE MARKING
(2)
NanoStar – WCSP (DSBGA)
0.23-mm Large Bump – YEP
NanoFree – WCSP (DSBGA)
0.23-mm Large Bump – YZP (Pb-free)
SSOP – DCT
VSSOP – DCU
SN74AVCH2T45YEPR
(3)
Tape and reel
SN74AVCH2T45YZPR
(3)
–40
°
C to 85
°
C
Tape and reel
Tape and reel
SN74AVCH2T45DCTR
SN74AVCH2T45DCUR
ET2_ _ _
ET2_
(1)
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
DCT: The actual top-side marking has three additional characters that designate the year, month, and assembly/test site.
DCU: The actual top-side marking has one additional character that designates the assembly/test site.
YEP/YZP: The actual top-side marking has three preceding characters to denote year, month, and sequence code, and one following
character to designate the assembly/test site. Pin 1 identifier indicates solder-bump composition (1 = SnPb,
= Pb-free).
Package preview
(2)
(3)
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
NanoStar, NanoFree are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 2004–2005, Texas Instruments Incorporated
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
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