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SN74LVC2T45_07

更新时间： 2024-11-04 05:24:47
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德州仪器 - TI 总线收发器输出元件
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23页 491K
描述
DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS

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SN74LVC2T45_07 数据手册

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SN74LVC2T45  
DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER  
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS  
www.ti.com  
SCES516I–DECEMBER 2003–REVISED MARCH 2007  
FEATURES  
•
Available in the Texas Instruments  
NanoFree™ Package  
DCT OR DCU PACKAGE  
(TOP VIEW)  
•
Fully Configurable Dual-Rail Design Allows  
Each Port to Operate Over the Full 1.65-V to  
5.5-V Power-Supply Range  
V
1
2
3
4
8
7
6
5
V
B1  
B2  
DIR  
CCA  
CCB  
A1  
A2  
•
VCC Isolation Feature – If Either VCC Input Is at  
GND, Both Ports Are in the High-Impedance  
State  
GND  
•
•
•
•
DIR Input Circuit Referenced to VCCA  
Low Power Consumption, 10-µA Max ICC  
±24-mA Output Drive at 3.3 V  
YZP PACKAGE  
(BOTTOM VIEW)  
D1  
C1  
D2  
C2  
4
3
2
1
5
DIR  
GND  
Ioff Supports Partial-Power-Down Mode  
Operation  
6
B2  
B1  
V
A2  
A1  
B1  
A1  
B2  
A2  
7
8
•
Max Data Rates  
V
CCA  
CCB  
–
–
–
–
420 Mbps (3.3-V to 5-V Translation)  
210 Mbps (Translate to 3.3 V)  
140 Mbps (Translate to 2.5 V)  
75 Mbps (Translate to 1.8 V)  
•
•
Latch-Up Performance Exceeds 100 mA Per  
JESD 78, Class II  
ESD Protection Exceeds JESD 22  
–
–
–
4000-V Human-Body Model (A114-A)  
200-V Machine Model (A115-A)  
1000-V Charged-Device Model (C101)  
DESCRIPTION/ORDERING INFORMATION  
This dual-bit noninverting bus transceiver uses two separate configurable power-supply rails. The A port is  
designed to track VCCA. VCCA accepts any supply voltage from 1.65 V to 5.5 V. The B port is designed to track  
VCCB. VCCB accepts any supply voltage from 1.65 V to 5.5 V. This allows for universal low-voltage bidirectional  
translation between any of the 1.8-V, 2.5-V, 3.3-V, and 5-V voltage nodes.  
ORDERING INFORMATION  
TA  
PACKAGE(1)  
ORDERABLE PART NUMBER  
TOP-SIDE MARKING(2)  
NanoFree – WCSP (DSBGA)  
Reel of 3000  
SN74LVC2T45YZPR  
_ _ _TB_  
0.23-mm Large Bump – YZP (Pb-free)  
SSOP – DCT  
Reel of 3000  
Reel of 250  
Reel of 3000  
Reel of 250  
SN74LVC2T45DCTR  
SN74LVC2T45DCTT  
SN74LVC2T45DCUR  
SN74LVC2T45DCUT  
CT2_ _ _  
CT2_  
–40°C to 85°C  
VSSOP – DCU  
(1) 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.  
(2) 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.  
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).  
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.  
NanoFree is a trademark of Texas Instruments.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2003–2007, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
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