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AS8NVLC512K32QC-20XT 参数 Datasheet PDF下载

AS8NVLC512K32QC-20XT图片预览
型号: AS8NVLC512K32QC-20XT
PDF下载: 下载PDF文件 查看货源
内容描述: 512K ×32模块的nvSRAM 3.3V高速SRAM与非易失性存储 [512K x 32 Module nvSRAM 3.3V High Speed SRAM with Non-Volatile Storage]
分类和应用: 存储静态存储器
文件页数/大小: 17 页 / 362 K
品牌: AUSTIN [ AUSTIN SEMICONDUCTOR ]
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SEMICONDUCTOR, INC.  
ADVANCE INFORMATION  
nvSRAM  
AS8nvLC512K32  
Austin Semiconductor, Inc.  
AutoStore/Power Up RECALL  
20ns  
25ns  
45ns  
Parameters  
19  
tHRECALLꢀ  
tSTORE20  
21  
tDELAYꢀ  
Description  
PowerUpRECALLDuration  
STORECycleDuration  
Min  
Max  
Min  
Max  
Min  
Max Unit  
20  
10  
20  
20  
10  
25  
ms  
ms  
ns  
V
10  
TimeAllowedtoCompleteSRAMCycle  
LowVoltageTriggerLevel  
VCCRiseTime  
20  
25  
VSWITCH  
2.65  
2.65  
2.65  
tVCCRISE  
12  
VHDIS  
150  
150  
150  
μs  
V
HSB\OutputDriverDisableVoltage  
HSB\ToOutputActiveTime  
HSB\HighActiveTime  
1.9  
5
1.9  
5
1.9  
5
tLZHSB  
tHHHD  
μs  
ns  
500  
500  
500  
Switching Waveforms  
AutoStore or Power Up RECALL22  
VSWITCH  
VHDIS  
Note20  
Note20  
VVCCRISE  
tSTORE  
tSTORE  
Note23  
tHHHD  
tHHHD  
HSB OUT  
Autostore  
tDELAY  
tLZHSB  
tLZHSB  
tDELAY  
POWER-  
UP  
RECALL  
tHRECALL  
tHRECALL  
Read & Write  
Inhibited  
(
RWI)  
Read & Write  
Read & Write  
POWER-UP  
RECALL  
BROWN  
OUT  
Autostore  
POWER  
DOWN  
Autostore  
POWER-UP  
RECALL  
Notes  
19. tHRECALL starts from the time VCC rises above VSWITCH.  
20. If an SRAM write has not taken place since the last nonvolatile cycle, no AutoStore or Hardware Store takes place.  
21. On a Hardware STORE, Software Store / Recall, AutoStore Enable / Disable and AutoStore initiation, SRAM operation continues to be  
enabled for time tDELAY.  
22. Read and write cycles are ignored during STORE, RECALL, and while VCC is below VSWITCH.  
23. HSB\ pin is driven HIGH to VCC only by internal 100 kOhm resistor, HSB\ driver is disabled.  
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.  
AS8nvLC512K32  
Rev. 0.0 08/09  
12