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TXS0206 Datasheet Preview

TXS0206 Datasheet

Voltage-Level Translator

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TXS0206
www.ti.com
SCES697C – AUGUST 2009 – REVISED JANUARY 2010
MMC, SD CARD, Memory Stick™ VOLTAGE-TRANSLATION TRANSCEIVER
WITH ESD PROTECTION AND EMI FILTERING
Check for Samples: TXS0206
FEATURES
1
2 Level Translator
– VCCA and VCCB Range of 1.1 V to 3.6 V
– Fast Propagation Delay (4 ns Max When
Translating Between 1.8 V and 3 V)
• Integrated EMI Filtering and ESD Protection
Circuitry
• ESD Protection Exceeds JESD 22 (A Port)
– 2500-V Human-Body Model (A114-B)
– 250-V Machine Model (A115-A)
– 1500-V Charged-Device Model (C101)
• ±8-kV Contact Discharge IEC 61000-4-2 ESD
(B-port)
YFP PACKAGE
(TOP VIEW)
1234
A
B
C
D
E
TERMINAL ASSIGNMENTS
1
2
3
4
A
DAT2A
VCCA
WP
DAT2B
B
DAT3A
CD
VCCB
DAT3B
C
CMDA
GND
GND
CMDB
D
DAT0A
CLKA
CLKB
DAT0B
E
DAT1A
CLK-f
EN
DAT1B
DESCRIPTION/ORDERING INFORMATION
The TXS0206 is a level shifter for interfacing microprocessors with MultiMediaCards (MMCs), secure digital (SD)
cards, and Memory Stick™ cards. It includes a high-speed level translator along with ESD protection and EMI
filtering circuitry.
The voltage-level translator has two supply voltage pins. VCCA as well as VCCB can be operated over the full
range of 1.1 V to 3.6 V. The TXS0206 enables system designers to easily interface applications processors or
digital basebands to memory cards and SDIO peripherals operating at a different I/O voltage level.
Memory card standards recommend high-ESD protection for devices that connect directly to the external memory
card. To meet this need, the TXS0206 incorporates ±8-kV Contact Discharge protection on the card side.
The TXS0206 is offered in a 20-bump wafer chip scale package (WCSP). This package has dimensions of
1.96 mm × 1.56 mm, with a 0.4-mm ball pitch for effective board-space savings. Memory cards are widely used
in mobile phones, PDAs, digital cameras, personal media players, camcorders, set-top boxes, etc. Low static
power consumption and small package size make the TXS0206 an ideal choice for these applications.
TA
–40°C to 85°C
ORDERING INFORMATION(1)
PACKAGE (2)
ORDERABLE PART NUMBER
WCSP – YFP (Pb-free)
Tape and reel
TXS0206YFPR
TOP-SIDE MARKING(3)
_ _ _3T_
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
web site at www.ti.com.
(2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.
(3) YFP: 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).
1
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.
All trademarks are the property of their respective owners.
2
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 © 2009–2010, Texas Instruments Incorporated




etcTI

TXS0206 Datasheet Preview

TXS0206 Datasheet

Voltage-Level Translator

No Preview Available !

TXS0206
SCES697C – AUGUST 2009 – REVISED JANUARY 2010
VCCA
REFERENCE DESIGN
VCCB
VCCB
www.ti.com
C3
0.1 µF
C4
0.1 µF
C1
0.1 µF
U1A
VDDA
DAT0
DAT1
DAT2
DAT3
CMD
CLK
CLKin
GND
WP
CD
Processor
SD/SDIO MMC
U2
A2
VCCA
D1
DAT0A
E1
DAT1A
A1
DAT2A
B1
DAT3A
C1
CMDA
D2
CLKA
E2
CLK-f
C2
GND
C3
GND
VCCB B3
D4 DAT0B
DAT0B
DAT1B E4 DAT1B
DAT2B A4 DAT2B
DAT3B B4 DAT3B
CMDB
CLKB
C4
D3
CMDB
CLKB
WP A3 WP
CD B2 CD
TXS0206
DAT2B
DAT3B
CMDB
CLKB
DAT0B
DAT1B
CD
WP
J1
0 DAT2
1
2
DAT3
CMD
3
4
VSS1
VDD
5 CLK
6 VSS2
7 DAT0
8 DAT1
9
10
WP/CD (Physical)
CD (Physical)
11
12
GND
GND
13 WP (Physical)
54794-0978
SD/SDIO Card
Connector
Figure 1. Interfacing With SD/SDIO Card
2
Submit Documentation Feedback
Product Folder Link(s): TXS0206
Copyright © 2009–2010, Texas Instruments Incorporated


Part Number TXS0206
Description Voltage-Level Translator
Maker etcTI
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TXS0206 Datasheet PDF






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