Am33c93a Scsi-bus Interface Controller Timing 6

t/o Phase

nm ACK

ATN

NOTE: Phase= signalsthat definethe bus phaseCrD, LISG 11S3-0324

SEND ASYNCHRONOUSINFORMATTON TRANSFEROUT (ACTINGAS AN rNtilATOr

Symbol

Characterlstlc

tsnpc

SEL In Highto PhaseChangeIn

trHoo

ilo ln High to Data out

trc*.

PhaseChangeIn to REQ In

Mln

Max

55 0 0 0 0

175

tnual tovnl tmn" t*xot

High

to DataOutInvalid

tnHot tlHrc

Out High to PhaseChangeIn

Unlts ns ns ns ns ns ns ns ns ns

SEL

DEx t tHoo F-

t ovnu

iD Phase

nEo ACK

ATN

NOTE: Phase= signalsthat definethe bus phasedD, re 11853.0334

4-72

Am33C€3A

TRANSFEROUT(ACTINGAS A TARGET) TNFORMATTON RECEIVEASYNCHRONOUS Unlts Max Mln Characterlstlc Symbol Out In Highto PhaseGhange

100

tsr,rt

m

tmor

i6 out Highto DataBusTRISTATE0 5ooffiW PhaseChange roFEOout Low

tncnl

d

FmoutLowtorffitnLow eW ffifuffi % Data In Valid

tnr.nl touot

wTr;

Affi,r*g""

In.nt tnHo'

In High

tnHnx

to PhaseChangeOut

tnrtc

ln Highto REQ Out Low

toxnl

0 0 0 0

175

ns ns ns ns ns ns ns ns ns ns

ACK

ATN NOTE: Phase= signalsthat definethe bus phas€ClD, l\rSG r1053{gaA

TRANSFERIN (ACTINGAS AN INITIATOF RECETVESYNCHRONOUSTNFORMATTON

Symbol

Mln

Characterlstlc

touRt tRr-ot tnl*t tnnnr t^, ^r, ffiffi ,^t^t .AHAL W ffi

torr" W

Out High to PhaseChange

Tcyc-25 0

Max

Unlts ns ns ns ns ns ns ns

ParameterstsH* t,ron and trcntare alsaapplicable and are identical to those in Receive AsynchronauslnformationTransferIn (Actingas an lnitiatoQ,top of page 37.

Am33C€34

4.73

ATN NOTE: Phase- eignalstrat definethe bus phaseeiD, lv[S

SEND SYNCHRONOUSINFORMATTON TRANSFERtN (ACTTNGAS A TARGET)

Symbol tovnl tnlot

Characterlsilc DataVatidOutto m OutLow REQOut Lowto DataInva

Mln

REQ

Ayc-25 50 50 0

tnln* tnHnl

1

tor-Ex tnHnr torpc

ighto PhaseChangeOut

Unlts ns ns ns ns ns ns ns

Parameters tsrrc trw and trcat are alsoapplicableand are identicatto those in Receive Asynchrctnouslnformation Transfer ln (Acting as a Target), bottom of page 37.

REO

ncx ATN NOTE: Phase= signalsthat definethe bus phaseffi,

+74

Am33C93A

MS