5秒后页面跳转
TMS626812-12DGE PDF预览

TMS626812-12DGE

更新时间: 2024-10-29 01:19:59
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
40页 565K
描述
1048576 BY 8-BIT BY 2-BANK SYNCHRONOUS DYNAMIC RANDOM-ACCESS MEMORY

TMS626812-12DGE 数据手册

 浏览型号TMS626812-12DGE的Datasheet PDF文件第2页浏览型号TMS626812-12DGE的Datasheet PDF文件第3页浏览型号TMS626812-12DGE的Datasheet PDF文件第4页浏览型号TMS626812-12DGE的Datasheet PDF文件第5页浏览型号TMS626812-12DGE的Datasheet PDF文件第6页浏览型号TMS626812-12DGE的Datasheet PDF文件第7页 
TMS626812  
1048576 BY 8-BIT BY 2-BANK  
SYNCHRONOUS DYNAMIC RANDOM-ACCESS MEMORY  
SMOS687A –JULY 1996 – REVISED APRIL 1997  
Organization . . . 1M × 8 × 2 Banks  
DGE PACKAGE  
( TOP VIEW )  
3.3-V Power Supply (±10% Tolerance)  
Two Banks for On-Chip Interleaving  
(Gapless Accesses)  
1
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
V
V
SS  
DQ7  
CC  
2
DQ0  
High Bandwidth – Up to 83-MHz Data Rates  
3
V
V
SSQ  
DQ6  
SSQ  
DQ1  
CAS Latency Programmable to 2 or 3  
Cycles From Column-Address Entry  
4
5
V
V
CCQ  
DQ5  
CCQ  
DQ2  
Burst Sequence Programmable to Serial or  
Interleave  
6
7
V
V
SSQ  
DQ4  
SSQ  
DQ3  
Burst Length Programmable to 1, 2, 4, or 8  
8
Chip Select and Clock Enable for  
Enhanced-System Interfacing  
9
V
V
CCQ  
CCQ  
NC  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
NC  
NC  
DQM  
CLK  
CKE  
NC  
A9  
Cycle-by-Cycle DQ-Bus Mask Capability  
Auto-Refresh and Self-Refresh Capability  
4K Refresh (Total for Both Banks)  
NC  
W
CAS  
RAS  
CS  
High-Speed, Low-Noise Low-Voltage TTL  
(LVTTL) Interface  
Power-Down Mode  
A11  
A10  
A0  
A8  
Compatible With JEDEC Standards  
Pipeline Architecture  
A7  
A1  
A6  
Temperature Ranges  
Operating, 0°C to 70°C  
Storage, – 55°C to 150°C  
A2  
A5  
A3  
A4  
V
V
SS  
CC  
Performance Ranges:  
SYNCHRONOUS  
CLOCK CYCLE  
TIME  
ACCESS TIME  
CLOCK TO  
OUTPUT  
REFRESH  
INTERVAL  
PIN NOMENCLATURE  
A0A10 Address Inputs  
t
t
t
t
CK2  
CK3  
CK2  
CK3  
(CL = 3) (CL = 2) (CL = 3) (CL = 2)  
A0A10 Row Addresses  
A0A8 Column Addresses  
A10 Automatic-Precharge Select  
Bank Select  
Column-Address Strobe  
Clock Enable  
’626812-12A  
12 ns  
12 ns  
15 ns  
18 ns  
9 ns  
9 ns  
9 ns  
64 ms  
64 ms  
’626812-12  
10 ns  
A11  
CAS  
CKE  
CLK  
CS  
–12A speed device is supported only at –5/+10% V  
CC  
description  
System Clock  
Chip Select  
The TMS626812 is a high-speed 16777216-bit  
synchronous dynamic random access memory  
(SDRAM) device organized as two banks of  
1048576 words with eight bits per word.  
DQ0DQ7  
SDRAM Data Input/Output  
Data/Output Mask Enable  
No External Connect  
DQM  
NC  
RAS  
Row-Address Strobe  
Power Supply (3.3-V Typ)  
Power Supply for Output Drivers (3.3-V Typ)  
Ground  
Ground for Output Drivers  
Write Enable  
V
V
V
V
CC  
CCQ  
SS  
SSQ  
All inputs and outputs of the TMS626812 series  
are compatible with the LVTTL interface.  
W
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 1997, 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  

与TMS626812-12DGE相关器件

型号 品牌 获取价格 描述 数据表
TMS626812-15DGE TI

获取价格

2MX8 SYNCHRONOUS DRAM, PDSO44, 0.400 INCH, PLASTIC, TSOP2-44
TMS626812A TI

获取价格

1048576 BY 8-BIT BY 2-BANK SYNCHRONOUS DYNAMIC RANDOM-ACCESS MEMORY
TMS626812A-10 TI

获取价格

2MX8 SYNCHRONOUS DRAM, PDSO44, 0.400 INCH, PLASTIC, TSOP-44
TMS626812A-10DGE TI

获取价格

2MX8 SYNCHRONOUS DRAM, 7ns, PDSO44, 0.400 INCH, PLASTIC, TSOP-44
TMS626812A-10DGER TI

获取价格

2MX8 SYNCHRONOUS DRAM, 7ns, PDSO44, 0.400 INCH, PLASTIC, TSOP-44
TMS626812A-12 TI

获取价格

暂无描述
TMS626812A-12DGE TI

获取价格

2MX8 SYNCHRONOUS DRAM, 8ns, PDSO44, 0.400 INCH, PLASTIC, TSOP-44
TMS626812ADGE-10 TI

获取价格

1MX8 SYNCHRONOUS DRAM, 7ns, PDSO44, 0.400 INCH, PLASTIC, TSOP-44
TMS626812B TI

获取价格

1,048,576 BY 8-BIT BY 2-BANK SYNCHRONOUS DYNAMIC RANDOM-ACCESS MEMORIES
TMS626812B-10ADGE TI

获取价格

2MX8 SYNCHRONOUS DRAM, 6ns, PDSO44, 0.400 INCH, PLASTIC, TSOP-44