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GS8640FZ18T-7.5 PDF预览

GS8640FZ18T-7.5

更新时间: 2024-02-26 14:41:19
品牌 Logo 应用领域
GSI 静态存储器内存集成电路
页数 文件大小 规格书
21页 255K
描述
ZBT SRAM, 4MX18, 7.5ns, CMOS, PQFP100, TQFP-100

GS8640FZ18T-7.5 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:QFP包装说明:LQFP,
针数:100Reach Compliance Code:compliant
ECCN代码:3A991.B.2.BHTS代码:8542.32.00.41
风险等级:5.38最长访问时间:7.5 ns
其他特性:FLOW-THROUGH ARCHITECTURE; ALSO OPERATES AT 2.5V SUPPLYJESD-30 代码:R-PQFP-G100
长度:20 mm内存密度:75497472 bit
内存集成电路类型:ZBT SRAM内存宽度:18
功能数量:1端子数量:100
字数:4194304 words字数代码:4000000
工作模式:SYNCHRONOUS最高工作温度:70 °C
最低工作温度:组织:4MX18
封装主体材料:PLASTIC/EPOXY封装代码:LQFP
封装形状:RECTANGULAR封装形式:FLATPACK, LOW PROFILE
并行/串行:PARALLEL峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:1.6 mm
最大供电电压 (Vsup):2 V最小供电电压 (Vsup):1.7 V
标称供电电压 (Vsup):1.8 V表面贴装:YES
技术:CMOS温度等级:COMMERCIAL
端子形式:GULL WING端子节距:0.65 mm
端子位置:QUAD处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:14 mmBase Number Matches:1

GS8640FZ18T-7.5 数据手册

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GS8640FZ18/36T-5.5/6.5/7.5/8  
5.5 ns8 ns  
100-Pin TQFP  
Commercial Temp  
Industrial Temp  
72Mb Flow Through  
Synchronous NBT SRAM  
2.5 V or 3.3 V V  
DD  
2.5 V or 3.3 V I/O  
available bus bandwidth by eliminating the need to insert  
deselect cycles when the device is switched from read to write  
cycles.  
Features  
• NBT (No Bus Turn Around) functionality allows zero wait  
read-write-read bus utilization; Fully pin-compatible with  
Flow Through NtRAM™, NoBL™ and ZBT™ SRAMs  
• 2.5 V or 3.3 V +10%/10% core power supply  
• 2.5 V or 3.3 V I/O supply  
Because it is a synchronous device, address, data inputs, and  
read/ write control inputs are captured on the rising edge of the  
input clock. Burst order control (LBO) must be tied to a power  
rail for proper operation. Asynchronous inputs include the  
Sleep mode enable (ZZ) and Output Enable. Output Enable can  
be used to override the synchronous control of the output  
drivers and turn the RAM's output drivers off at any time.  
Write cycles are internally self-timed and initiated by the rising  
edge of the clock input. This feature eliminates complex off-  
chip write pulse generation required by asynchronous SRAMs  
and simplifies input signal timing.  
• Flow Through mode  
• LBO pin for Linear or Interleave Burst mode  
• Pin compatible with 4Mb, 9Mb, 18Mb and 36Mb devices  
• Byte write operation (9-bit Bytes)  
• 3 chip enable signals for easy depth expansion  
• ZZ Pin for automatic power-down  
• JEDEC-standard 100-lead TQFP package  
• RoHS-compliant 100-lead TQFP package available  
The GS8640FZ18/36T is configured to operate in Flow  
Through mode.  
Functional Description  
The GS8640FZ18/36T is a 72Mbit Synchronous Static SRAM.  
GSI's NBT SRAMs, like ZBT, NtRAM, NoBL or other flow  
through read/single late write SRAMs, allow utilization of all  
The GS8640FZ18/36T is implemented with GSI's high  
performance CMOS technology and is available in a JEDEC-  
standard 100-pin TQFP package.  
Parameter Synopsis  
-5.5  
-6.5  
-7.5  
-8  
Unit  
t
5.5  
5.5  
6.5  
6.5  
7.5  
7.5  
8.0  
8.0  
ns  
ns  
KQ  
Flow  
Through  
2-1-1-1  
tCycle  
Curr (x18)  
Curr (x36)  
285  
330  
245  
280  
220  
250  
210  
240  
mA  
mA  
Packages listed with the additional “G” designator are 6/6 RoHS compliant.  
Rev: 1.01 10/2013  
1/21  
© 2006, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  

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