參數(shù)資料
型號(hào): SMJ44C251
廠商: Texas Instruments, Inc.
英文描述: 262144 BY 4-BIT MULTIPORT VIDEO RAM
中文描述: 262144 4位多端口視頻內(nèi)存
文件頁數(shù): 46/53頁
文件大?。?/td> 950K
代理商: SMJ44C251
SMJ44C251B
262144 BY 4-BIT
MULTIPORT VIDEO RAM
SGMS058A – MARCH 1995 – REVISED JUNE 1995
46
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
PARAMETER MEASUREMENT INFORMATION
tc(TRD)
tw(RL)
td(RLCL)
td(RLCH)
tw(CL)
th(RA)
tsu(CA)
th(CLCA)
tsu(TRG)
th(TRG)
th(SFR)
tsu(WMR)
th(RWM)
tsu(SFR)
Old MSB
New MSB
Don’t Care
Don’t Care
Don’t Care
Row
Tap Point A0–A8
td(RHMS)
tw(SCH)
ta(SQ)
th(SHSQ)
Bit 255
or 511
Bit 255
or 511
Tap
Point N
Bit 254 or
Bit 510
H
L
RAS
CAS
A0–A8
W
TRG
DSF
SDQ0–SDQ3
QSF
SC
SE
Bit 255 or
Bit 511
Tap
Point N
tc(SC)
tw(CH)
td(CARH)
td(CHRL)
Tap
Point M
td(SCQSF)
td(MSRL)
tc(SC)
tw(SCL)
td(SCQSF)
ta(SQ)
ta(SQ)
ta(SQ)
Tap Point M
Bit 255 or
Bit 511
td(RLCA)
tw(SCL)
tsu(RA)
tw(RH)
DQ0–DQ3
Hi-Z
td(THRH)
tw(GH)
Figure 34. Split-Register-Mode Read-Transfer-Cycle Timing
相關(guān)PDF資料
PDF描述
SMJ44C256 262144 BY 4-BIT DYNAMIC RANDOM-ACCESS MEMORY
SMJ55161 262144 BY 16-BIT MULTIPORT VIDEO RAM
SMJ55166 262144 BY 16-BIT MULTIPORT VIDEO RAM
SMJ626162 524288 BY 16-BIT BY 2-BANK SYNCHRONOUS DYNAMIC RANDOM-ACCESS MEMORY
SML-010DT Chip LEDs with reflectors
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