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IDT70125L45L PDF预览

IDT70125L45L

更新时间: 2024-01-11 14:28:06
品牌 Logo 应用领域
艾迪悌 - IDT 存储内存集成电路静态存储器
页数 文件大小 规格书
12页 170K
描述
Multi-Port SRAM, 2KX9, 45ns, CMOS, CQCC52

IDT70125L45L 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
Reach Compliance Code:unknown风险等级:5.92
最长访问时间:45 nsI/O 类型:COMMON
JESD-30 代码:S-XQCC-N52JESD-609代码:e0
内存密度:18432 bit内存集成电路类型:MULTI-PORT SRAM
内存宽度:9端口数量:2
端子数量:52字数:2048 words
字数代码:2000工作模式:ASYNCHRONOUS
最高工作温度:125 °C最低工作温度:-55 °C
组织:2KX9输出特性:3-STATE
封装主体材料:CERAMIC封装代码:QCCN
封装等效代码:LCC52,.75SQ封装形状:SQUARE
封装形式:CHIP CARRIER并行/串行:PARALLEL
电源:5 V认证状态:Not Qualified
筛选级别:38535Q/M;38534H;883B最大待机电流:0.004 A
最小待机电流:2 V子类别:SRAMs
最大压摆率:0.21 mA标称供电电压 (Vsup):5 V
表面贴装:YES技术:CMOS
温度等级:MILITARY端子面层:Tin/Lead (Sn/Pb)
端子形式:NO LEAD端子节距:1.27 mm
端子位置:QUADBase Number Matches:1

IDT70125L45L 数据手册

 浏览型号IDT70125L45L的Datasheet PDF文件第2页浏览型号IDT70125L45L的Datasheet PDF文件第3页浏览型号IDT70125L45L的Datasheet PDF文件第4页浏览型号IDT70125L45L的Datasheet PDF文件第5页浏览型号IDT70125L45L的Datasheet PDF文件第6页浏览型号IDT70125L45L的Datasheet PDF文件第7页 
IDT70121S/L  
IDT70125S/L  
HIGH-SPEED  
2K x 9 DUAL-PORT  
STATIC RAM WITH BUSY & INTERRUPT  
Integrated Device Technology, Inc.  
FEATURES:  
DESCRIPTION:  
• High-speed access  
The IDT70121/IDT70125 are high-speed 2K x 9 Dual-Port  
Static RAMs. The IDT70121 is designed to be used as a  
stand-alone9-bitDual-PortRAMorasaMASTERDual-Port  
RAM together with the IDT70125 “SLAVE” Dual-Port in 18-  
bit-or-more word width systems. Using the IDT MASTER/  
SLAVE Dual-Port RAM approach in 18-bit-or-wider memory  
system applications results in full-speed, error-free operation  
without the need for additional discrete logic.  
– Commercial: 25/35/45/55ns (max.)  
• Low-power operation  
– IDT70121/70125S  
Active: 500mW (typ.)  
Standby: 5mW (typ.)  
– IDT70121/70125L  
Active: 500mW (typ.)  
Standby: 1mW (typ.)  
• Fully asychronous operation from either port  
Both devices provide two independent ports with separate  
control, address, and I/O pins that permit independent, asyn-  
• MASTER IDT70121 easily expands data bus width to 18 chronousaccessforreadsorwritestoanylocationinmemory.  
bits or more using SLAVE IDT70125 chip  
• On-chip port arbitration logic (IDT70121 only)  
• BUSY output flag on Master; BUSY input on Slave  
• INT flag for port-to-port communication  
• Battery backup operation—2V data retention  
• TTL-compatible, signal 5V (±10%) power supply  
• Available in 52-pin PLCC  
An automatic power-down feature, controlled by CE, permits  
the on-chip circuitry of each port to enter a very low standby  
power mode.  
The IDT70121/IDT70125 utilizes a 9-bit wide data path to  
allow for Data/Control and parity bits at the user’s option. This  
feature is especially useful in data communications  
applications where it is necessary to use a parity bit for  
• Industrial temperature range (–40°C to +85°C) is avail- transmission/reception error checking.  
able, tested to military electrical specifications  
FUNCTIONAL BLOCK DIAGRAM  
OER  
OEL  
CE  
R/W  
L
CE  
R
R/WR  
L
I/O0L- I/O8L  
I/O0R-I/O8R  
(1,2)  
I/O  
Control  
I/O  
Control  
BUSY (1,2)  
L
BUSY  
R
A
10L  
A
11R  
0R  
Address  
Decoder  
MEMORY  
ARRAY  
Address  
Decoder  
A
0L  
A
11  
11  
ARBITRATION  
INTERRUPT  
SEMAPHORE  
LOGIC  
CE  
OE  
R/W  
L
CE  
OE  
R/W  
R
NOTES:  
L
R
1. 70121 (MASTER):  
BUSY is non-tri-  
stated push-pull  
output.  
R
L
70125 (SLAVE):  
BUSY is input.  
2. INT is totem-pole  
output.  
INT (2)  
L
(2)  
INT  
2654 drw 01  
R
The IDT logo is a registered trademark of Integrated Device Technology, Inc.  
COMMERCIAL TEMPERATURE RANGE  
OCTOBER 1996  
©1996 Integrated Device Technology, Inc.  
DSC-2654/4  
For latest information contact IDT’s web site at www.idt.com or fax-on-demand at 408-492-8391.  
6.10  
1

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