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74LCX139MTR 数据表(PDF) 1 Page - STMicroelectronics

部件名 74LCX139MTR
功能描述  Low voltage CMOS Dual 2 to 4 decoder / demultiplexer
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

74LCX139MTR 数据表(HTML) 1 Page - STMicroelectronics

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July 2006
Rev 4
1/17
17
74LCX139
Low voltage CMOS
Dual 2 to 4 decoder / demultiplexer
Features
5V tolerant inputs
High speed:
–tPD = 6.2ns (Max) at VCC = 3V
Power down protection on inputs and outputs
Symmetrical output impedance:
–|IOH| = IOL = 24mA (Min) at VCC = 3V
PCI bus levels guaranteed at 24mA
Balanced propagation delays:
–tPLH ≅ tPHL
Operating voltage range:
–VCC (Opr) = 2.0V to 3.6V
Pin and function compatible with
74 series 139
Latch-up performance exceeds
500mA (JESD 17)
ESD performance:
– HBM > 2000V
(MIL STD 883 method 3015); MM > 200V
Description
The 74LCX139 is a low voltage CMOS dual 2 to 4
line Decoder / Demultiplexer fabricated with sub-
micron silicon gate and double-layer metal wiring
C2MOS technology.
It is ideal for low power and high speed 3.3V
applications; it can be interfaced to 5V signal
environment for inputs.
The active low enable input can be used for gating
or as a data input for demultiplexing applications.
While the enable input is held high, all four
outputs are high independently of the other
inputs.
It has same speed performance at 3.3V than 5V
AC/ACT family, combined with a lower power
consumption.
All inputs and outputs are equipped with
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
SO-16
TSSOP16
www.st.com
Order codes
Part number
Package
Packaging
74LCX139MTR
SO-16
Tape and reel
74LCX139TTR
TSSOP16
Tape and reel


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