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GS880Z36CGT-200 PDF预览

GS880Z36CGT-200

更新时间: 2024-11-26 13:48:11
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24页 359K
描述
100 TQFP

GS880Z36CGT-200 数据手册

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GS880Z18/32/36CT-xxx  
333 MHz150 MHz  
9Mb Pipelined and Flow Through  
Synchronous NBT SRAM  
100-Pin TQFP  
Commercial Temp  
2.5 V or 3.3 V V  
DD  
2.5 V or 3.3 V I/O  
rail for proper operation. Asynchronous inputs include the  
Features  
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.  
• NBT (No Bus Turn Around) functionality allows zero wait  
read-write-read bus utilization; Fully pin-compatible with  
both pipelined and 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  
• User-configurable Pipeline and Flow Through mode  
• LBO pin for Linear or Interleave Burst mode  
• Pin compatible with 2M, 4M, and 18M devices  
• Byte write operation (9-bit Bytes)  
• 3 chip enable signals for easy depth expansion  
• ZZ Pin for automatic power-down  
The GS880Z18/32/36CT may be configured by the user to  
operate in Pipeline or Flow Through mode. Operating as a  
pipelined synchronous device, meaning that in addition to the  
rising edge triggered registers that capture input signals, the  
device incorporates a rising-edge-triggered output register. For  
read cycles, pipelined SRAM output data is temporarily stored  
by the edge triggered output register during the access cycle  
and then released to the output drivers at the next rising edge of  
clock.  
• JEDEC-standard 100-lead TQFP package  
• RoHS-compliant 100-lead TQFP package available  
Functional Description  
The GS880Z18/32/36CT is a 9Mbit Synchronous Static  
SRAM. GSI's NBT SRAMs, like ZBT, NtRAM, NoBL or  
other pipelined read/double late write or flow through read/  
single late write SRAMs, allow utilization of all available bus  
bandwidth by eliminating the need to insert deselect cycles  
when the device is switched from read to write cycles.  
The GS880Z18/32/36CT is implemented with GSI's high  
performance CMOS technology and is available in a JEDEC-  
standard 100-pin TQFP package.  
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  
Parameter Synopsis  
-333  
-300  
-250  
-200  
-150  
Unit  
tKQ  
2.5  
3.0  
2.5  
3.3  
2.5  
4.0  
3.0  
5.0  
3.8  
6.7  
ns  
ns  
tCycle  
Pipeline  
3-1-1-1  
Curr (x18)  
Curr (x32/x36)  
240  
280  
225  
260  
195  
225  
170  
195  
140  
160  
mA  
mA  
tKQ  
4.5  
4.5  
5.0  
5.0  
5.5  
5.5  
6.5  
6.5  
7.5  
7.5  
ns  
ns  
tCycle  
Flow Through  
2-1-1-1  
Curr (x18)  
Curr (x32/x36)  
180  
205  
165  
190  
160  
180  
140  
160  
128  
145  
mA  
mA  
Rev: 1.04 7/2012  
1/24  
© 2011, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  

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