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Product data sheet

Rev. 03 — 11 May 2004

7 of 20

Philips Semiconductors

74LVC821A

10-bit D-type flip-flop with 5 V tolerant inputs/outputs

[1]

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

[2]

For SO24 package: above 70

°C derate linearly with 8 mW/K.

For SSOP24 and TSSOP24 packages: above 60

°C derate linearly with 5.5 mW/K.

For DHVQFN24 package: above 60

°C derate linearly with 4.5 mW/K.

9.

Recommended operating conditions

10. Static characteristics

output voltage

HIGH or LOW state

[1]

−0.5

3-state

[1]

−0.5

+6.5

V

output source or sink

current

-

±50

mA

-

±100

mA

storage temperature

−65

+150

°C

power dissipation

[2] -

500

mW

Table 5:

In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to

GND (ground = 0 V).

Symbol

Parameter

Conditions

Min

Max

Unit

Table 6:

Operating conditions

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

supply voltage

for maximum speed

performance

2.7

-

3.6

V

for low-voltage

applications

1.2

-

3.6

V

input voltage

0

-

5.5

V

output voltage

HIGH or LOW state

0

-

V

3-state

0

-

5.5

V

operating ambient

temperature

in free air

−40

-

+125

°C

0

-

20

ns/V

0

-

10

ns/V

Table 7:

Static characteristics

At recommended operating conditions; voltages are referenced to GND (ground = 0 V).

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

HIGH-level input voltage

--V

2.0

-

-

V

LOW-level input voltage

-

-

GND

V

-

-

0.8

V