Philips Semiconductors

Product specification

74ALS112A

Dual J-K negative edge-triggered flip-flop

1996 Jun 27

6

AC WAVEFORMS

The sahded areas indicate when the input is permitted to change for predictable output performance.

VM

VM

CPn

VM

VM

VM

VM

VM

VM

tsu(H)

th(H)

Jn, Kn

Qn

VM

tw(L)

1/fmax

tsu(L)

th(L)

VM

VM

tPLH

Qn

tw(H)

tPHL

tPHL

tPLH

SC00136

Waveform 1.

Propagation Delay for Data to Output, Data Setup Time and Hold Times, Clock Pulse Width, and Maximum Clock

Frequency

VM

CPn

Qn

VM

VM

Qn

tPHL

tPLH

SDn

VM

VM

tw(L)

SC00049

Jn, Kn

tREC

Waveform 2.

Propagation Delay for Set to Output,

Set Pulse Width, and Recovery Time for Set to Clock

VM

CPn

Qn

VM

VM

Qn

tPLH

tPHL

RDn

VM

VM

tw(L)

SC00050

Jn, Kn

tREC

Waveform 3.

Propagation Delay for Reset to Output,

Reset Pulse Width, and Recovery Time for Reset to Clock