Datasheet
DESCRIPTION/ORDERING INFORMATION
TYPICAL OPERATING CIRCUIT
V
V
OE
A1
A2
A3
A4
A5
A6
A7
A8
B1
B2
B3
B4
B5
B6
B7
B8
3.3-V
System
1.8-V
System
Data
Data
Controller
CCA
CCB
TXS0108E
1.8 V 3.3 V
TXS0108E
SCES642B – DECEMBER 2007 – REVISED SEPTEMBER 2008 .....................................................................................................................................
www.ti.com
This 8-bit noninverting translator uses two separate configurable power-supply rails. 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
CCB
. V
CCB
accepts any supply voltage from 1.65 V to 5.5 V. This allows for low-voltage bidirectional translation between any
of the 1.2-V, 1.5-V, 1.8-V, 2.5-V, 3.3-V, and 5-V voltage nodes.
When the output-enable (OE) input is low, all outputs are placed in the high-impedance state.
To ensure the high-impedance state during power up or power down, OE should be tied to GND through a
pulldown resistor; the minimum value of the resistor is determined by the current-sourcing capability of the driver.
ORDERING INFORMATION
T
A
PACKAGE
(1) (2)
ORDERABLE PART NUMBER TOP-SIDE MARKING
QFN – RGY Reel of 1000 TXS0108ERGYR YF08E
– 40 ° C to 85 ° C TSSOP – PW Reel of 2000 TXS0108EPWR YF08E
UFBGA – ZXY Reel of 2500 TXS0108EZXYR YF08E
(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 .
2 Submit Documentation Feedback Copyright © 2007 – 2008, Texas Instruments Incorporated
Product Folder Link(s): TXS0108E