- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄374843 > SMJ44C251 (Texas Instruments, Inc.) 262144 BY 4-BIT MULTIPORT VIDEO RAM PDF資料下載
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(yè)數(shù)： | 35/53頁(yè) |
| 文件大小： | 950K |
| 代理商： | SMJ44C251 |
第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)第15頁(yè)第16頁(yè)第17頁(yè)第18頁(yè)第19頁(yè)第20頁(yè)第21頁(yè)第22頁(yè)第23頁(yè)第24頁(yè)第25頁(yè)第26頁(yè)第27頁(yè)第28頁(yè)第29頁(yè)第30頁(yè)第31頁(yè)第32頁(yè)第33頁(yè)第34頁(yè)當(dāng)前第35頁(yè)第36頁(yè)第37頁(yè)第38頁(yè)第39頁(yè)第40頁(yè)第41頁(yè)第42頁(yè)第43頁(yè)第44頁(yè)第45頁(yè)第46頁(yè)第47頁(yè)第48頁(yè)第49頁(yè)第50頁(yè)第51頁(yè)第52頁(yè)第53頁(yè)
SMJ44C251B
262144 BY 4-BIT
MULTIPORT VIDEO RAM
SGMS058A – MARCH 1995 – REVISED JUNE 1995
35
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
PARAMETER MEASUREMENT INFORMATION
tc(W)
tw(RL)
tw(RH)
tt
td(RLCH)
tt
td(RLCL)
td(CLRH)
tw(CL)
td(CHRL)
tw(CH)
th(RA)
tsu(RA)
tsu(CA)
2
3
4
tsu(TRG)
th(RWM)
td(GHD)
tsu(WRH)
tsu(WCH)
th(RLW)
th(CLW)
tsu(WMR)
tsu(DQR)
th(RDQ)
tsu(DWL)
th(WLD)
tw(WL)
th(RLD)
RAS
CAS
A0–A8
W
TRG
DQ0–DQ3
DSF
Row
tsu(SFR)
th(SFR)
th(SFC)
tsu(SFC)
td(CHRL)
td(RLCA)
td(CARH)
th(WLG)
th(RSF)
th(RLCA)
Block Address
A2–A8
th(CLCA)
1
Figure 23. Block-Write-Cycle Timing (Delayed-Write)
Table 10. Block-Write-Cycle State Table
CYCLE
STATE
1
L
2
L
3
4
Write-mask load/use, block write
Write mask
Column mask
Use previous write mask, block write
H
L
Don’t care
Column mask
Write mask disabled, block write to all I/Os
L
H
Don’t care
Column mask
Write mask data
0: I/O write disable
1: I/O write enable
Column mask data DQn =
0 column write disable
1 column write enable
(n = 0, 1, 2, 3)
DQ0 — column 0 (address A1 = 0, A0 = 0)
DQ1 — column 1 (address A1 = 0, A0 = 1)
DQ2 — column 2 (address A1 = 1, A0 = 0)
DQ3 — column 3 (address A1 = 1, A0 = 1)
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 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SMJ44C251A-12JDM | 制造商:Texas Instruments 功能描述: |
| SMJ44C251B | 制造商:AUSTIN 制造商全稱:Austin Semiconductor 功能描述:256K X 4 VRAM 256K x 4 DRAM with 512K x 4 SAM |
| SMJ44C251B10HJM | 制造商:AUSTIN 制造商全稱:Austin Semiconductor 功能描述:256K X 4 VRAM 256K x 4 DRAM with 512K x 4 SAM |
| SMJ44C251B-10HJM | 制造商:AUSTIN 制造商全稱:Austin Semiconductor 功能描述:256K X 4 VRAM 256K x 4 DRAM with 512K x 4 SAM |
| SMJ44C251B10HMM | 制造商:AUSTIN 制造商全稱:Austin Semiconductor 功能描述:256K X 4 VRAM 256K x 4 DRAM with 512K x 4 SAM |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。