SMJ44C251B Datasheet, PDF (25/53 Pages) Texas Instruments – 262144 BY 4-BIT MULTIPORT VIDEO RAM

RAS
tt
CAS
tsu(RA)
A0 – A8
SMJ44C251B
262144 BY 4-BIT
MULTIPORT VIDEO RAM
SGMS058A – MARCH 1995 – REVISED JUNE 1995
PARAMETER MEASUREMENT INFORMATION
tw(RL)
td(RLCH)
tc(rd)
td(RLCL)
td(CLRH)
tw(CL)
tw(RH)
td(CHRL)
th(RA)
th(RLCA)
tsu(CA)
td(CLGH)
th(CLCA)
tw(CH)
Row
Column
DSF
TRG
W
td(DGL)
DQ0 – DQ3 ^Data
In
tsu(TRG)
th(TRG)
Don’t Care
tw(TRG)
td(GLRH)
tsu(rd)
th(CHrd)
th(RHrd)
ta(G)
tdis(CH)
tdis(G)
Valid Output
ta(C)
ta(CA)
ta(R)
Figure 13. Read-Cycle Timing
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