74AHC139D 查看數據表（PDF） - Philips Electronics

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74AHC139D

Dual 2-to-4 line decoder/demultiplexer

Philips Electronics 

Philips Semiconductors

Dual 2-to-4 line decoder/demultiplexer

Product specification

74AHC139;

74AHCT139

RECOMMENDED OPERATING CONDITIONS

SYMBOL

PARAMETER

CONDITIONS

VCC

VI

VO

Tamb

tr,tf (∆t/∆f)

DC supply voltage

input voltage

output voltage

operating ambient

temperature

see DC and AC

characteristics per device

input rise and fall ratio VCC = 3.3 ±0.3 V

VCC = 5 ±0.5 V

74AHC

74AHCT

UNIT

MIN. TYP. MAX. MIN. TYP. MAX.

2.0 5.0 5.5 4.5 5.0 5.5 V

0

−

5.5 0

−

5.5 V

0

−

VCC 0

−

VCC V

−40 +25 +85 −40 +25 +85 °C

−40 +25 +125 −40 +25 +125 °C

−

−

100 −

−

−

ns/V

−

−

20 −

−

20

LIMITING VALUES

In accordance with the Absolute Maximum Rating System (IEC 134); voltages are referenced to GND (ground = 0 V).

SYMBOL

VCC

VI

IIK

IOK

IO

ICC

Tstg

PD

PARAMETER

DC supply voltage

input voltage

DC input diode current

DC output diode current

DC output source or sink current

DC VCC or GND current

storage temperature

power dissipation per package

CONDITIONS

VI < −0.5 V; note 1

VO < −0.5 V or VO > VCC + 0.5 V; note 1

−0.5 V < VO < VCC + 0.5 V

for temperature range: −40 to +125 °C;

note 2

MIN. MAX. UNIT

−0.5 +7.0 V

−0.5 +7.0 V

−

−20 mA

−

±20 mA

−

±25 mA

−

±75 mA

−65 +150 °C

−

500 mW

Notes

1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.

2. For SO package: above 70 °C the value of PD derates linearly with 8 mW/K.

For TSSOP package: above 60 °C the value of PD derates linearly with 5.5 mW/K.

1999 Sep 01

5

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