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flipflop.pds
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1987-08-26
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3KB
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107 lines
Title Basic Flip Flops
Pattern FlipFlop.pds
Revision A
Author Vincent Coli
Company Monolithic Memories Inc., Santa Clara, CA
Date 2/28/85
CHIP FlipFlop PAL16RP8
CLK J K T PR CLR D S R GND
/OC /SRC /SRT /DC /DT /TC /TT /JKC /JKT VCC
EQUATIONS
JKT := J*/JKT*/CLR ;JK Flio-Flop
+ /K* JKT*/CLR ;(JKC = /Q)
+ PR ;Preset Q
JKC := /J* K */PR ;JK Flip-Flop
+ /J*/JKT*/PR ;(JK = /Q)
+ K* JKT*/PR
+ CLR ;Clear /Q
TT := T*/TT*/CLR ;T Flip-Flop
+ /T* TT*/CLR ;(TT = Q)
+ PR ;Preset Q
TC := /T*/TT*/CLR ;T Flip-Flop
+ T* TT*/PR ;(TC = /Q)
+ CLR ;Clear /Q
DT := D*/CLR ;D Flip-Flop
+ PR ;Preset Q
DC := /D*/PR ;D Flip-Flop
+ CLR ;Clear /Q
SRT := S* /CLR ;Set-Reset Flip-Flop
+ /R* SRT*/CLR ;(SRT = Q)
+ PR ;Preset Q
SRC := /S* R */PR ;Set-Reset Flip-Flop
+ /S*/SRT*/PR ;(SRC = /Q)
+ CLR ;Clear /Q
SIMULATION
TRACE_ON /OC PR CLR J K JKT T TT D DT S R SRT
SETF OC /PR CLR ; Clear
CLOCKF
SETF /CLR /J /K
CLOCKF
SETF K
CLOCKF
SETF J ; Toggle
CLOCKF
SETF /K
CLOCKF
SETF /J
CLOCKF
SETF K
CLOCKF
SETF PR ; Preset
CLOCKF
SETF /PR J K ; Toggle
CLOCKF
SETF /K
CLOCKF
SETF CLR ; Clear
CLOCKF
SETF /CLR /T
CLOCKF
SETF T ; Toggle
CLOCKF
SETF /T ; Toggle
CLOCKF
SETF CLR ; Clear
CLOCKF
SETF /D
CLOCKF
SETF D
CLOCKF
SETF /D
CLOCKF
SETF CLR ; Clear
CLOCKF
SETF /CLR /S /R
CLOCKF
SETF S ; Set
CLOCKF
SETF /S R ; Reset
CLOCKF
SETF /S R ; Hold
CLOCKF
SETF /OC ; HI-Z
CLOCKF
TRACE_OFF