DM74LS191M datasheet(3/8 Pages) NSC

3 / 8 page

’LS190 and ’LS191 Switching Characteristics

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

From (Input)

RL e 2kX

Symbol

Parameter

To (Output)

CL e 15 pF

CL e 50 pF

Units

Min

Max

Min

Max

fMAX

Maximum Clock

MHz

Frequency

tPLH

Propagation Delay Time

Load to

Low to High Level Output

Any Q

tPHL

Propagation Delay Time

Load to

High to Low Level Output

Any Q

tPLH

Propagation Delay Time

Data to

Low to High Level Output

Any Q

tPHL

Propagation Delay Time

Data to

High to Low Level Output

Any Q

tPLH

Propagation Delay Time

Clock to

Low to High Level Output

Ripple Clock

tPHL

Propagation Delay Time

Clock to

High to Low Level Output

Ripple Clock

tPLH

Propagation Delay Time

Clock to

Low to High Level Output

Any Q

tPHL

Propagation Delay Time

Clock to

High to Low Level Output

Any Q

tPLH

Propagation Delay Time

Clock to

Low to High Level Output

MaxMin

tPHL

Propagation Delay Time

Clock to

High to Low Level Output

MaxMin

tPLH

Propagation Delay Time

UpDown to

Low to High Level Output

Ripple Clock

tPHL

Propagation Delay Time

UpDown to

High to Low Level Output

Ripple Clock

tPLH

Propagation Delay Time

DownUp to

Low to High Level Output

MaxMin

tPHL

Propagation Delay Time

DownUp to

High to Low Level Output

MaxMin

tPLH

Propagation Delay Time

Enable to

Low to High Level Output

Ripple Clock

tPHL

Propagation Delay Time

Enable to

High to Low Level Output

Ripple Clock

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