DM74LS293 datasheet(3/6 Pages) NSC

3 / 6 page

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

tMAX

Maximum Clock

A to QA

MHz

Frequency

BtoQB

tPLH

Propagation Delay Time

AtoQA

Low to High Level Output

tPHL

Propagation Delay Time

AtoQA

High to Low Level Output

tPLH

Propagation Delay Time

AtoQD

Low to High Level Output

tPHL

Propagation Delay Time

AtoQD

High to Low Level Output

tPLH

Propagation Delay Time

BtoQB

Low to High Level Output

tPHL

Propagation Delay Time

BtoQB

High to Low Level Output

tPLH

Propagation Delay Time

BtoQC

Low to High Level Output

tPHL

Propagation Delay Time

BtoQC

High to Low Level Output

tPLH

Propagation Delay Time

BtoQD

Low to High Level Output

tPHL

Propagation Delay Time

BtoQD

High to Low Level Output

tPHL

Propagation Delay Time

SET-0 to

High to Low Level Output

Any Q

Note 1

CL e 15 pF RL e 2kX TA e 25 C and VCC e 5V

Note 2

CL e 50 pF RL e 2kX TA e 25 C and VCC e 5V

Note 3

All typicals are at VCC e 5V TA e 25 C

Note 4

Not more than one output should be shorted at a time and the duration should not exceed one second

Note 5

ICC is measured with all outputs open both RO inputs grounded following momentary connection to 45V and all other inputs grounded

Note 6

TA e 25 C and VCC e 5V

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