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ST2349AQTR Datasheet

  • ST2349AQTR

  • 4-bit dual supply level translator without direction control...

  • 23頁(yè)

  • STMICROELECTRONICS   STMICROELECTRONICS

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ST2349A
4-bit dual supply level translator
without direction control pin
Preliminary Data
Features
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90 Mbps (max) data rate when driven by a
totem pole driver
8 Mbps (max) data rate when driven by an
open drain pole driver
Bi-directional level translation without
direction control pin
Wide V
L
voltage range of 1.65 to 3.6 V
Wide V
CC
voltage range of 1.80 to 5.5 V
Power down mode feature 鈥?when either
supply is off, all I/Os are in high impedance
Low quiescent current (max 24 碌A(chǔ))
Able to be driven by totem pole and open drain
drivers
5.5 V tolerant enable pin
ESD performance on all pins: 鹵2 kV HBM
Small package and footprint
QFN16 (2.6 x 1.8 mm) package
QFN16L
(2.6 x 1.8 mm)
Description
The ST2349A is a 4-bit dual supply level
translator which provides the level shifting
capability to allow data transfer in a multi-voltage
system. Externally applied voltages, V
CC
and V
L
,
set the logic levels on either side of the device. It
utilizes transmission gate-based design that
allows bi-directional level translation without a
control pin.
The ST2349A accepts a V
L
from 1.65 to 3.6 V
and V
CC
from 1.80 to 5.5 V, making it ideal for
data transfer between low-voltage ASICs/PLD
and higher voltage systems. This device has a tri-
state output mode which can be used to disable
all I/Os.
The ST2349A supports power down mode when
V
CC
is grounded/floating and the device is
disabled via the OE pin.
Applications
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Low voltage system level translation
Mobile phones and other mobile devices
I
2
C level translation
UART level translation
Table 1.
Device summary
Order code
ST2349AQTR
Package
QFN16 (2.6 x 1.8 mm)
Packaging
Tape and reel (3000 parts per reel)
July 2008
Rev 4
1/23
www.st.com
23
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.

ST2349AQTR 產(chǎn)品屬性

  • ST2349A View All Specifications

  • 1

  • 集成電路 (IC)

  • 邏輯 - 變換器

  • -

  • 變換器，雙向，開(kāi)路漏極

  • 4

  • 邏輯

  • 邏輯

  • 18Mbps

  • 4

  • 1

  • 無(wú)/無(wú)

  • 4.8ns

  • 1.8 V ~ 5.5 V

  • -40°C ~ 85°C

  • 16-UFQFN

  • 16-QFN（2.6x1.8）

  • Digi-Reel®

  • 497-9076-6

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