SN74HCS74: Suggestion regarding how to lookup quickly if the selected D-type Flip-flop is equipped with "initial-Q reset" or "initial-Q clear" feature

Joe Tsai

Part Number: SN74HCS74

Hello Team,

As shown on the subject, recently I am searching for D-type Flip-flop which is equipped with "initial-Q reset" or "initial-Q clear" feature, would like know from your side how can I lookup it quickly in the datasheet.

More specifically, I am looking for TSSOP package, 2-channel, max temp>100°C device, thus is more focused on the below mentioned device:

Will select the item accordingly after knowing the Q-reset feature.

Thanks a lot for your help!

10 months ago

0 Malcolm Lyn 10 months ago

TI__Mastermind 19580 points

Hi Joe,

Most of these devices have a clear/preset feature. I'm not sure what you mean by "initial-Q reset".

Best,

Malcolm

0 Clemens Ladisch 10 months ago

Guru 280470 points

Devices with the same number after the "SN74xxx" prefix have the same functionality and pinout.

'72 and '74 have /CLR inputs. The '4013 has RESET inputs.

Logic

Logic forum

SN74HCS74: Suggestion regarding how to lookup quickly if the selected D-type Flip-flop is equipped with "initial-Q reset" or "initial-Q clear" feature