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SMJ44400-12HL PDF预览

SMJ44400-12HL

更新时间： 2024-11-25 15:51:51
品牌 Logo 应用领域
MICROSS 动态存储器
页数 文件大小 规格书
21页 321K
描述
DRAM,

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SMJ44400-12HL 数据手册

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SMJ44400  
1 048 576 BY 4-BIT  
DYNAMIC RANDOM-ACCESS MEMORY  
SGMS041D – JANUARY 1991 – REVISED JUNE 1995  
JDB OR HR PACKAGES  
(TOP VIEW)  
HL PACKAGE  
(TOP VIEW)  
Processed to MIL-STD-883, Class B  
Organization . . . 1 048 576 × 4  
Single 5-V Power Supply (±10% Tolerance)  
Performance Ranges:  
1
2
3
4
5
26  
25  
24  
23  
22  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
DQ1  
DQ2  
W
V
SS  
DQ1  
DQ2  
W
RAS  
A9  
A0  
A1  
A2  
V
SS  
DQ4  
DQ3  
CAS  
OE  
DQ4  
DQ3  
CAS  
OE  
A8  
A7  
A6  
A5  
A4  
ACCESS ACCESS ACCESS  
TIME TIME TIME OR WRITE  
(t (t  
READ  
RAS  
A9  
)
)
(t  
AA  
)
CYCLE  
(MIN)  
RAC CAC  
(MAX)  
80 ns  
(MAX)  
20 ns  
25 ns  
30 ns  
(MAX)  
40 ns  
45 ns  
55 ns  
SMJ44400-80  
SMJ44400-10  
SMJ44400-12  
150 ns  
180 ns  
210 ns  
9
18  
17  
16  
A8  
A7  
A6  
A0  
A1  
A2  
A3  
100 ns  
120 ns  
10  
11  
12  
13  
A3  
V
CC  
Enhanced Page-Mode Operation for Faster  
Memory Access  
– Higher Data Bandwidth Than  
Conventional Page-Mode Parts  
– Random Single-Bit Access Within a Row  
With a Column Address  
15 A5  
14  
A4  
V
CC  
SV PACKAGE  
(TOP VIEW)  
OE  
DQ3  
1
CAS-Before-RAS (CBR) Refresh  
CAS  
2
3
Long Refresh Period  
DQ4  
DQ1  
W
A9  
A1  
A3  
A4  
A6  
A8  
4
V
5
SS  
1024-Cycle Refresh in 16 ms (Max)  
6
DQ2  
RAS  
AO  
7
8
3-State Unlatched Output  
Low Power Dissipation  
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
A2  
All Inputs/Outputs and Clocks are TTL  
Compatible  
V
CC  
A5  
A7  
Packaging Options:  
– 20-Pin, 300-Mil Ceramic Side-Brazed DIP  
(JDB suffix)  
– 20-Pin Ceramic Flatpack (HR Suffix)  
– 20-Pad, 350 × 675 Ceramic Chip Carrier  
(HL suffix)  
– 20-Pin Ceramic ZIP (SV suffix)  
– Additional Package Options Planned  
PIN NOMENCLATURE  
A0–A9  
CAS  
Address Inputs  
Column-Address Strobe  
Data In/Data Out  
Output Enable  
Row-Address Strobe  
Write Enable  
DQ1–DQ4  
OE  
RAS  
W
Military Temperature Range  
–55 to 125°C  
V
CC  
V
SS  
5-V Supply  
Ground  
description  
TheSMJ44400isaseriesof4194304-bitdynamicrandom-accessmemories(DRAMs), organizedas1048576  
words of four bits each. This series employs state-of-the-art technology for high performance, reliability, and  
low–power operation.  
The SMJ44400 features maximum row access times of 80 ns, 100 ns, and 120 ns. Maximum power dissipation  
is as low as 360 mW operating and 22 mW standby.  
All inputs and outputs, including clocks, are compatible with Series 54 TTL. All addresses and data-in lines are  
latched on-chip to simplify system design. Data out is unlatched to allow greater system flexibility.  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
Copyright 1995, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443  
1234567...21

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与SMJ44400-12HL相关器件

型号 品牌 获取价格 描述 数据表
SMJ44400-12HR/M MICROSS

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 		Fast Page DRAM, 1MX4, 120ns, CMOS, CDFP20, CERAMIC, FP-20
SMJ44400-12HRM TI

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 		1MX4 FAST PAGE DRAM, 120ns, CDFP20, CERAMIC, DFP-20
SMJ44400-12JD/M MICROSS

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 		Fast Page DRAM, 1MX4, 120ns, CMOS, CDIP20, 0.400 INCH, SIDE BRAZED, CERAMIC, DIP-20
SMJ44400-12JDB MICROSS

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 		DRAM,
SMJ44400-12JDM TI

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 		1MX4 FAST PAGE DRAM, 120ns, CDIP20, 0.400 INCH, SIDE BREAZED, CERAMIC, DIP-20
SMJ44400-12SV MICROSS

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 		DRAM,
SMJ44400-12SVM TI

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 		1MX4 FAST PAGE DRAM, 120ns, CDIP20, CERAMIC, DIP-20
SMJ44400-80/HRM MICROSS

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 		Fast Page DRAM, 1MX4, 80ns, CMOS, CDFP20, CERAMIC, DFP-20
SMJ44400-80HL MICROSS

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 		DRAM
SMJ44400-80HLM TI

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 		1MX4 FAST PAGE DRAM, 80ns, CDSO20, 0.350 X 0.675 INCH, CERAMIC, LCC-20

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