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74LVQ157M Datasheet

  • 74LVQ157M

  • LOW VOLTAGE QUAD 2 CHANNEL MULTIPLEXER

  • 63.71KB

  • 8頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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廬
74LVQ157
LOW VOLTAGE QUAD 2 CHANNEL MULTIPLEXER
s
s
s
s
s
s
s
s
s
s
s
HIGH SPEED:
t
PD
= 5 ns (TYP.) at V
CC
= 3.3V
COMPATIBLE WITH TTL OUTPUT
LOW POWER DISSIPATION:
I
CC
= 4
碌A(chǔ)
(MAX.) at T
A
= 25
o
C
LOW NOISE:
V
OLP
= 0.2V (TYP.) at V
CC
= 3.3V
75鈩?TRANSMISSION LINE OUTPUT DRIVE
CAPABILITY
SYMMETRICAL OUTPUT IMPEDANCE:
|I
OH
| = I
OL
= 12 mA (MIN)
PCI BUS LEVELS GUARANTEED AT 24mA
BALANCED PROPAGATION DELAYS:
t
PLH
鈮?/div>
t
PHL
OPERATING VOLTAGE RANGE:
V
CC
(OPR) = 2V to 3.6V (1.2VData Retention)
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 157
IMPROVED LATCH-UP IMMUNITY
M
(Micro Package)
T
(TSSOP Package)
ORDER CODES :
74LVQ157M
74LVQ157T
DESCRIPTION
The LVQ157 is a low voltage CMOS QUAD
2-CHANNEL MULTIPLEXER fabricated with
sub-micron silicon gate and double-layer metal
wiring C
2
MOS technology. It is ideal for low
power and low noise 3.3V applications.
PIN CONNECTION AND IEC LOGIC SYMBOLS
It has better speed performance at 3.3V than 5V
LSTTL family combined with the true CMOS low
power consumption.
It consists of four 2-input digital multiplexers with
common select and strobe inputs. When strobe
input is held high selection of data is inhibit and
all the outputs become low. The
SELECT
decoding determines whether the A or B inputs
get routed to their corresponding Y outputs.
All inputs and outputs are equipped with
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
February 1999
1/8

74LVQ157M 產(chǎn)品屬性

  • STMicroelectronics

  • 編碼器、解碼器、復(fù)用器和解復(fù)用器

  • Multiplexer

  • 74L

  • 1 / 1

  • 10.5 ns at 2.7 V, 8 ns at 3.3 V

  • 3.6 V

  • 2 V

  • + 85 C

  • SMD/SMT

  • SOP-16

  • Tube

  • - 40 C

  • 1

  • 1

  • 50

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