74LV154 データシートの表示（PDF） - Philips Electronics

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74LV154

4-to-16 line decoder/demultiplexer

Philips Electronics 

Philips Semiconductors

4-to-16 line decoder/demultiplexer

Product specification

74LV154

FEATURES

• Optimized for low voltage applications: 1.0 to 3.6 V

• Accepts TTL input levels between VCC = 2.7 V and VCC = 3.6 V

• Typical VOLP (output ground bounce) < 0.8 V at VCC = 3.3 V,

Tamb = 25°C

• Typical VOHV (output VOH undershoot) > 2 V at VCC = 3.3 V,

Tamb = 25°C

• 16-line demultiplexing capability

• Decodes 4 binary-coded inputs into one of 16 mutually

exclusive outputs

• 2-input enable gate for strobing or expansion

• Output capability: standard

• ICC category: MSI

DESCRIPTION

The 74LV154 is a low-voltage CMOS device and is pin and function

compatible with 74HC/HCT154.

The 74LV154 decoders accept four active HIGH binary address

inputs (A0 to A3) and provide 16 mutually exclusive active LOW

outputs(Y0 to Y15).

The 2-input enable inputs (E0, E1) can be used to strobe the

decoder to eliminate the normal decoding “glitches” on the outputs,

or it can be used for expansion of the decoder.

The enable input has two AND’ed inputs which must be LOW to

enable the outputs.

The 74LV154 can be used as a 1-to-16 demultiplexer by using one

of the enable inputs as the multiplexed data input.

When the other enable is LOW, the addressed output will follow the

state of the applied data.

QUICK REFERENCE DATA

GND = 0 V; Tamb = 25°C; tr = tf ≤ 2.5 ns

SYMBOL

PARAMETER

CONDITIONS

tPHL/tPLH

Propagation delay

An, En to Yn

CL = 15 pF;

VCC = 3.3 V

CI

Input capacitance

CPD

Power dissipation capacitance per gate VI = GND to VCC1

NOTE:

1. CPD is used to determine the dynamic power dissipation (PD in µW)

PD = CPD × VCC2 × fi +Σ (CL × VCC2 × fo) where:

fi = input frequency in MHz; CL = output load capacitance in pF;

fo = output frequency in MHz; VCC = supply voltage in V;

Σ (CL × VCC2 × fo) = sum of the outputs.

TYPICAL

11

3.5

60

ORDERING INFORMATION

PACKAGES

24-Pin Plastic DIL

24-Pin Plastic SO

24-Pin Plastic SSOP Type II

24-Pin Plastic TSSOP Type I

TEMPERATURE RANGE

–40°C to +125°C

–40°C to +125°C

–40°C to +125°C

–40°C to +125°C

OUTSIDE NORTH AMERICA

74LV154 N

74LV154 D

74LV154 DB

74LV154 PW

NORTH AMERICA

74LV154 N

74LV154 D

74LV154 DB

74LV154PW DH

UNIT

ns

pF

pF

PKG. DWG. #

SOT101-1

SOT137-1

SOT340-1

SOT355-1

PIN CONFIGURATION

Y0 1

Y1 2

Y2 3

Y3 4

Y4 5

Y5 6

Y6 7

Y7 8

Y8 9

Y 9 10

Y 10 11

GND 12

24 V CC

23 A 0

22 A 1

21 A 2

20 A 3

19 E 1

18 E 0

17 Y 15

16 Y 14

15 Y 13

14 Y 12

13 Y 11

SV00544

PIN DESCRIPTION

PIN NUMBER SYMBOL

1, 2, 3, 4, 5, 6, 7,

8, 9, 10, 11, 13,

14, 15, 16, 17

Y0 to Y15

18, 19

12

E0, E1

GND

23, 22, 21, 20

16

A0 to A3

VCC

FUNCTION

Outputs (active LOW)

Enable inputs (active LOW)

Ground (0 V)

Address inputs

Positive supply voltage

1998 Apr 28

2

853–1939 19309

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