74HC137 IC – (SMD Package) – 3-to-8 line Decoder/Demultiplexer IC (74138 IC)

The 74HC137 is a high-speed Si-gate CMOS device and is pin compatible with low power Schottky TTL (LSTTL). The 74HC137 is specified in compliance with JEDEC

SKU: RW-02704

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Description

The 74HC137 is a high-speed Si-gate CMOS device and is pin compatible with low power Schottky TTL (LSTTL). The 74HC137 is specified in compliance with JEDEC

standard no. 7A. The 74HC137 is a 3-to-8 line decoder, demultiplexer with latches at the three address inputs (An). The 74HC137 essentially combines the 3-to-8 decoder function with a 3-bit storage latch. When the latch is enabled (LE = LOW), the 74HC137 acts as a 3-to-8 active LOW decoder. When the latch enable (LE) goes from LOW-to-HIGH, the last data present at the inputs before this transition, is stored in the latches. Further address changes are ignored as long as LE remains HIGH.

The output enable input (E1 and E2) controls the state of the outputs independent of the address inputs or latch operation. All outputs are HIGH unless E1 is LOW and E2 is HIGH. The 74HC137 is ideally suited for implementing non-overlapping decoders in 3-state systems and strobed (stored address) applications in bus oriented systems.


Features :-

  • Combines 3-to-8 decoder with 3-bit latch
  • Multiple input enable for easy expansion or independent controls
  • Active LOW mutually exclusive outputs
  • Low-power dissipation
  • Complies with JEDEC standard no. 7A
  • ESD protection:

                    HBM EIA/JESD22-A114-B exceeds 2000 V

                    MM EIA/JESD22-A115-A exceeds 200 V.

  • Multiple package options
  • Specified from ?40 ?C to +80 ?C and from ?40 ?C to +125 ?C


Specifications :-

Parameter

Value

Unit

Supply Voltage

-0.5 to
+7 

V

input diode current

+20

mA

output diode current

+20

mA

output source or sink current

+25

mA

GND current

+50

mA

storage temperature

 -65
to +150

 ?C


Package Includes :-

1 X 74HC137 3-to-8 line Decoder Demultiplexer IC (74137 IC) DIP-16 Package

Additional information

Operating voltage

2.5 3.0V

Pixel Resolution

0.3MP

Photosensitive array

640 x 480

Optical Size

1.6 inch

Angel of view

67 degrees

Maximum Frame Rate

30fps VGA

Sensitivity

1.3V/(Lux-sec)

Dormancy

Less than 20A

Power consumption

60mW/15fpsVGA YUV

Temperature operation Range

-30 C ~ 70 C

Pixel area

3.6 x 3.6 m

Signal to noise ratio (SNR)

46 dB

Dynamic range

52 dB

Specification

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