m74hc155c1r STMicroelectronics, m74hc155c1r Datasheet

m74hc155c1r

Manufacturer Part Number

m74hc155c1r

Description

Dual 2 To 4 Line Decoder 3 To 8 Line Decoder

Manufacturer

STMicroelectronics

Datasheet

1.M74HC155C1R.pdf (11 pages)

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DESCRIPTION

The M54/74HC155 is a high speed CMOS DUAL 2-

TO-4 LINE DECODER fabricated in silicon gate

It has the same high speed performance of LSTTL

combined with true CMOS low power consumption.

It features dual 1-TO-4 line demultiplexers with indi-

vidual strobe inputs (1G and 2G), individual data in-

puts (1C and 2C) and common binary address

inputs (A and B).

When both decoders are enabled by the strobes, the

inverted output of 1C data and non-inverted output

of 2C data will be brought to the select output pins

of each sections. A 1-TO-8 line demultiplexer can

also be easily built up by providing a data signal to

both 1C and 2C inputs ; the output order from the

msb is 1Y3, 1Y2, 1Y1, 1Y0, 2Y3, 2Y2, 2Y1, 2Y0.

This device can be used as a 2-to-4 line decoder or

a 3-to-8 line decoder when 1C is held high and 2C

is held low.

All inputs are equipped with protection circuits

against static discharge and transient excess volt-

age.

December 1992

MOS technology.

HIGH SPEED

LOW POWER DISSIPATION

HIGH NOISE IMMUNITY

OUTPUT DRIVE CAPABILITY

10 LSTTL LOADS

SYMMETRICAL OUTPUT IMPEDANCE

BALANCED PROPAGATION DELAYS

WIDE OPERATING VOLTAGE RANGE

PIN AND FUNCTION COMPATIBLE

WITH 54/74LS155

PLH

NIH

= 12 ns (TYP.) AT V

= 4 A (MAX.) AT T

= t

(OPR) = 2 V TO 6 V

= V

= I

PHL

NIL

= 28 % V

DUAL 2 TO 4 LINE DECODER 3 TO 8 LINE DECODER

= 4 mA (MIN.)

(MIN.)

= 25 C

= 5 V

NC =

No Internal

Connecti o n

(Plastic Package)

(Micro Package)

M54HC155F1R

M74HC155B1R

PIN CONNECTIONS (top view)

M1R

B1R

ORDER CODES :

M74HC155

M54HC155

M74HC155M1R

M74HC155C1R

(Ceramic Package)

(Chip Carrier)

C1R

F1R

1/11

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m74hc155c1r Summary of contents

Page 1

... All inputs are equipped with protection circuits against static discharge and transient excess volt- age. December 1992 M54HC155 M74HC155 B1R (Plastic Package) (Ceramic Package) M1R (Micro Package) (Chip Carrier) ORDER CODES : M54HC155F1R M74HC155M1R M74HC155B1R M74HC155C1R PIN CONNECTIONS (top view Internal Connecti o n F1R C1R 1/11 ...

Page 2

M54/M74HC155 INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No SYMBOL NAME AND FUNCTION 1, 15 1C, 2C Data Inputs 2, 14 1G, 2G Strobe Inputs Common Data Inputs 1Y0 to 1Y3 ...

Page 3

LOGIC CIRCUIT ABSOLUTE MAXIMUM RATINGS Symbol Parameter V Supply Voltage Input Voltage Output Voltage Input Diode Current Output Diode Current Output Source Sink Current Per ...

Page 4

M54/M74HC155 RECOMMENDED OPERATING CONDITIONS Symbol Parameter V Supply Voltage CC V Input Voltage I V Output Voltage O T Operating Temperature: M54HC Series op M74HC Series Input Rise and Fall Time SPECIFICATIONS Test Conditions ...

Page 5

AC ELECTRICAL CHARACTERISTICS (C Test Conditions Symbol Parameter V CC (V) t Output Transition 2.0 TLH t Time THL 4.5 6.0 t Propagation 2.0 PLH t Delay Time PHL 4.5 6.0 C Input Capacitance IN C (*) Power Dissipation PD ...

Page 6

M54/M74HC155 TEST WAVEFORM I (Opr.) CC INPUT WAVEFORM IS THE SAME AS THAT IN CASE OF SWITCHING CHARACTERISTICS TEST. 6/11 ...

Page 7

Plastic DIP16 (0.25) MECHANICAL DATA mm DIM. MIN. TYP. a1 0.51 B 0.77 b 0 8.5 e 2.54 e3 17. 3.3 Z inch MAX. MIN. TYP. 0.020 1.65 0.030 0.020 0.010 20 0.335 ...

Page 8

M54/M74HC155 Ceramic DIP16/1 MECHANICAL DATA DIM. MIN 0. 2.29 G 0.4 H 1.17 L 0. 7.8 Q 8/11 mm TYP. MAX. MIN 3.3 0.015 17.78 2.79 0.090 0.55 ...

Page 9

SO16 (Narrow) MECHANICAL DATA mm DIM. MIN. TYP 0 0.35 b1 0. 9.8 E 5.8 e 1.27 e3 8.89 F 3.8 G 4 inch MAX. MIN. TYP. 1.75 ...

Page 10

M54/M74HC155 PLCC20 MECHANICAL DATA DIM. MIN. A 9.78 B 8. 10/11 mm TYP. MAX. MIN. 10.03 0.385 9.04 0.350 4.57 0.165 2.54 0.56 8.38 0.290 1.27 5.08 0.38 ...

Page 11

Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its ...

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