DM54LS85 datasheet(4/10 Pages) TI1

4 / 10 page

Switching Characteristics at VCC e 5V and TA e 25 C (See Section 1 for Test Waveforms and Output Load)

From

Number of

RL e 2kX

Symbol

Parameter

Input

Output

Gate Levels

CL e 15 pF

CL e 50 pF

Units

Min

Max

Min

Max

tPLH

Propagation Delay Time

Any A or B

A k B

336

Low-to-High Level Output

Data Input

A l Bns

A e B

tPHL

Propagation Delay Time

Any A or B

A k B

330

High-to-Low Level Output

Data Input

A l Bns

A e B

tPLH

Propagation Delay Time

A k B

A l B

Low-to-High Level Output

or A e B

tPHL

Propagation Delay Time

A k B

A l B

High-to-Low Level Output

or A e B

tPLH

Propagation Delay Time

A eBA e B

Low-to-High Level Output

tPHL

Propagation Delay Time

A e BA e B

High-to-Low Level Output

tPLH

Propagation Delay Time

A l B

A k B

Low-to-High Level Output

or A e B

tPHL

Propagation Delay Time

A l B

A k B

High-to-Low Level Output

or A e B

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