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SMJ44C251B-10JDM883C PDF预览

SMJ44C251B-10JDM883C

更新时间: 2024-02-27 22:48:07
品牌 Logo 应用领域
MICROSS 动态存储器内存集成电路
页数 文件大小 规格书
57页 1254K
描述
Video DRAM, 256KX4, 100ns, CMOS, CDIP28, 0.400 INCH, CERAMIC, DIP-28

SMJ44C251B-10JDM883C 技术参数

生命周期:End Of Life零件包装代码:DIP
包装说明:DIP,针数:28
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.32.00.02风险等级:5.58
访问模式:FAST PAGE最长访问时间:100 ns
其他特性:RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESHJESD-30 代码:R-CDIP-T28
JESD-609代码:e4长度:35.687 mm
内存密度:1048576 bit内存集成电路类型:VIDEO DRAM
内存宽度:4功能数量:1
端口数量:2端子数量:28
字数:262144 words字数代码:256000
工作模式:SYNCHRONOUS最高工作温度:125 °C
最低工作温度:-55 °C组织:256KX4
封装主体材料:CERAMIC, METAL-SEALED COFIRED封装代码:DIP
封装形状:RECTANGULAR封装形式:IN-LINE
认证状态:Not Qualified筛选级别:MIL-STD-883
座面最大高度:4.445 mm最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4.5 V标称供电电压 (Vsup):5 V
表面贴装:NO技术:CMOS
温度等级:MILITARY端子面层:PALLADIUM GOLD
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL宽度:10.16 mm
Base Number Matches:1

SMJ44C251B-10JDM883C 数据手册

 浏览型号SMJ44C251B-10JDM883C的Datasheet PDF文件第2页浏览型号SMJ44C251B-10JDM883C的Datasheet PDF文件第3页浏览型号SMJ44C251B-10JDM883C的Datasheet PDF文件第4页浏览型号SMJ44C251B-10JDM883C的Datasheet PDF文件第5页浏览型号SMJ44C251B-10JDM883C的Datasheet PDF文件第6页浏览型号SMJ44C251B-10JDM883C的Datasheet PDF文件第7页 
VRAM  
SMJ44C251B  
MT42C4256  
Austin Semiconductor, Inc.  
256K X 4 VRAM  
PIN ASSIGNMENT  
(Top View)  
256K x 4 DRAM  
with 512K x 4 SAM  
AVAILABLE AS MILITARY  
SPECIFICATIONS  
• SMD 5962-89497  
• MIL-STD-883  
28-Pin DIP (C)  
(400 MIL)  
28-Pin SOJ (DCJ)  
28-Pin LCC (EC)  
SC  
SDQ1  
SDQ2  
TR\/OE\  
DQ1  
DQ2  
ME\/WE\  
NC  
1
2
3
4
5
6
7
8
Vss  
SDQ4  
SDQ3  
28  
27  
26  
1
2
3
4
5
6
7
8
Vss  
SC  
SDQ1  
SDQ2  
TR\/OE\  
DQ1  
DQ2  
ME\/WE\  
NC  
28  
27  
26  
25  
24  
SDQ4  
SDQ3  
SE\  
25 SE\  
24 DQ4  
23 DQ3  
DQ4  
23 DQ3  
22 DSF  
21 CAS\  
QSF  
19 A0  
22  
21  
20  
19  
18  
17  
16  
15  
DSF  
CAS\  
QSF  
A0  
FEATURES  
Class B High-Reliability Processing  
DRAM: 262144 Words × 4 Bits  
SAM: 512 Words × 4 Bits  
9
9
RAS\  
A8  
A6  
A5  
A4  
20  
RAS\  
A8  
A6  
A5  
A4  
10  
11  
12  
13  
14  
10  
11  
12  
13  
14  
A1  
A2  
A3  
A7  
18  
17  
16  
15  
A1  
A2  
A3  
A7  
Single 5-V Power Supply (±10% Tolerance)  
Dual Port Accessibility–Simultaneous and Asynchronous Access  
From the DRAM and SAM Ports  
Bidirectional-Data-Transfer Function Between the DRAM and the  
Serial-Data Register  
4 × 4 Block-Write Feature for Fast Area Fill Operations; As Many  
as Four Memory Address Locations Written per Cycle From an  
On-Chip Color Register  
Write-Per-Bit Feature for Selective Write to Each RAM I/O; Two  
Write-Per-Bit Modes to Simplify System Design  
Enhanced Page-Mode Operation for Faster Access  
CAS-Before-RAS (CBR) and Hidden Refresh Modes  
All Inputs/Outputs and Clocks Are TTL Compatible  
Long Refresh Period: Every 8 ms (Max)  
Vcc  
Vcc  
28-Pin ZIP (CZ)  
1
3
5
7
DSF  
DQ3  
SDQ2  
Vss  
SDQ0  
TRG\  
DQ1  
GND  
A8  
A5  
Vcc  
A3  
A1  
QSF  
DQ2  
SE\  
SDQ3  
SC  
SDQ1  
DQ0  
W\  
RAS\  
A8  
2
4
6
8
9
10  
12  
14  
16  
18  
20 A4  
22 A7  
24 A2  
11  
13  
15  
17  
19  
21  
23  
25  
27  
26  
28  
A0  
CAS\  
Up to 33-MHz Uninterrupted Serial-Data Streams  
3-State Serial I/Os Allow Easy Multiplexing of Video-Data  
Streams  
512 Selectable Serial-Register Starting  
Split Serial-Data Register for Simplified Real-Time Register Reload  
28-Pin FP (F)  
SC  
SDQ1  
SDQ2  
TR\/OE\  
DQ1  
DQ2  
ME\/WE\  
NC  
1
Vss  
28  
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
SDQ4  
SDQ3  
SE\  
DQ4  
DQ3  
DSF  
CAS\  
QSF  
A0  
A1  
A2  
A3  
A7  
OPTIONS  
• Timing  
MARKING  
RAS\  
A8  
A6  
A5  
A4  
100ns, 30ns/27ns  
120ns, 35ns/35ns  
-10  
-12  
Vcc  
• Package(s)  
MT Prefix SMJ Prefix  
Ceramic SOJ  
Ceramic DIP (400 mil)  
Ceramic LCC  
Ceramic Flat Pack  
Ceramic ZIP  
Ceramic LCC  
DCJ  
C
EC  
F
CZ  
---  
---  
JDM  
HMM  
---  
SVM  
HJM  
PIN NAME  
(SMJ)  
A0 - A8  
CAS\  
DQ0 - DQ3  
SE\  
PIN NAME  
(MT)  
A0 - A8  
CAS\  
DESCRIPTION  
Address Inputs  
Column Enable  
DQ1 - DQ4 DRAM Data In-Out/Write-Mask Bit  
SE\  
RAS\  
SC  
Serial Enable  
Row Enable  
Serial Data Clock  
RAS\  
SC  
SDQ0 - SDQ3 SDQ1 - SDQ4 Serial Data In-Out  
TRG\  
W\  
DSF  
QSF  
Vcc  
Vss  
TR\ /OE\  
ME\ /WE\  
DSF  
QSF  
Vcc  
Transfer Register/Q Output Enable  
Write-Mask Select/Write Enable  
Special Function Select  
Split-Register Activity Status  
5V Supply  
For more products and information  
please visit our web site at  
Vss  
Ground  
www.austinsemiconductor.com  
Ground (Important: Not Connected to  
internal Vss, Pin should be left open or  
tied to ground.  
GND  
NC  
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.  
SMJ44C251B/MT42C4256  
Rev. 0.1 12/03  
1

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