參數(shù)資料
型號(hào): SMJ55161
廠商: Texas Instruments, Inc.
英文描述: 262144 BY 16-BIT MULTIPORT VIDEO RAM
中文描述: 262144由16位多端口視頻內(nèi)存
文件頁(yè)數(shù): 39/64頁(yè)
文件大?。?/td> 1505K
代理商: SMJ55161
SMJ55161
262144 BY 16-BIT
MULTIPORT VIDEO RAM
SGMS056D – MAY 1995 – REVISED OCTOBER 1997
39
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
PARAMETER MEASUREMENT INFORMATION
tc(W)
tw(RL)
tw(RH)
td(RLCH)
tt
tt
td(RLCL)
td(CLRH)
tw(CL)
td(CHRL)
tw(CH)
th(RA)
tsu(RA)
th(RLCA)
tsu(CA)
th(CLCA)
1
2
3
tsu(TRG)
th(RWM)
td(GHD)
tsu(WRH)
tsu(WCH)
th(CLW)
th(RLW)
tsu(WMR)
tsu(DQR)
th(RDQ)
tsu(DWL)
tw(WL)
th(WLD)
th(RLD)
RAS
CASx
A0–A8
WE
TRG
DQ0–DQ15
DSF
Row
Column
tsu(SFR)
th(SFR)
th(SFC)
tsu(SFC)
td(CARH)
td(RLCA)
td(CHRL)
th(WLG)
th(RSF)
tsu(rd)
td(CACH)
Figure 30. Late-Write-Cycle Timing (Output-Enable-Controlled Write)
Table 8. Late-Write-Cycle State Table
CYCLE
STATE
2
1
3
Write operation (nonmasked)
H
Don’t care
Valid data
Write operation with nonpersistent write-per-bit
L
Write mask
Valid data
Write operation with persistent write-per-bit
L
Don’t care
Valid data
相關(guān)PDF資料
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