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U630H16SA25G1 数据手册 ( 数据表 )

零件编号
产品描述 (功能)
生产厂家
U630H16SA25G1
Simtek
Simtek Corporation Simtek
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Description
The U630H16 has two separate modes of operation: SRAM mode and nonvolatile mode, determined by the state of the NE pin. In SRAM mode, the memory operates as an ordinary static RAM. In nonvolatile operation, data is transferred in parallel from SRAM to EEPROM or from EEPROM to SRAM. In this mode SRAM functions are disabled.
The U630H16 is a fast static RAM (25, 35, 45 ns), with a nonvolatile electrically erasable PROM (EEPROM) element incorporated in each static memory cell. The SRAM can be read and written an unlimited number of times, while independent nonvolatile data resides in EEPROM. Data transfers from the SRAM to the EEPROM (the STORE operation), or from the EEPROM to the SRAM (the RECALL operation) are initiated through the state of the NE pin. The U630H16 combines the high performance and ease of use of a fast SRAM with nonvolatile data integrity.
Once a STORE cycle is initiated, further input or output are disabled until the cycle is completed.
Internally, RECALL is a two step procedure. First, the SRAM data is cleared and second, the nonvolatile information is transferred into the SRAM cells.
The RECALL operation in no way alters the data in the EEPROM cells. The nonvolatile data can be recalled an unlimited number of times.

Features
• High-performance CMOS nonvo latile static RAM 2048 x 8 bits
• 25, 35 and 45 ns Access Times
• 12, 20 and 25 ns Output Enable Access Times
• Hardware STORE Initiation
   (STORE Cycle Time < 10 ms)
• Automatic STORE Timing
• 106 STORE cycles to EEPROM
• 100 years data retention in EEPROM
• Automatic RECALL on Power Up
• Hardware RECALL Initiation
   (RECALL Cycle Time < 20 ms)
• Unlimited RECALL cycles from EEPROM
• Unlimited Read and Write to SRAM
• Single 5 V ± 10 % Operation
• Operating temperature ranges:
   0 to 70 ×C
   -40 to 85 ×C
   -40 to 125 °C(only 35 ns)
• QS 9000 Quality Standard
• ESD protection > 2000 V
   (MIL STD 883C M3015.7-HBM)
• RoHS compliance and Pb- free
• Packages:SOP28 (300 mil), PDIP28 (300/600 mil)

 

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零件编号
产品描述 (功能)
PDF
生产厂家
HardStore 2K x 8 nvSRAM
Zentrum Mikroelektronik Dresden AG
PowerStore 2K x 8 nvSRAM
Unspecified
HardStore 8K x 8 nvSRAM
Zentrum Mikroelektronik Dresden AG
2-Wire Serial EEPROM 1K (128 x 8),2K (256 x 8),4K (512 x 8),8K (1024 x 8),16K (2048 x 8)
Atmel Corporation
PowerStore 2K x 8 nvSRAM
Zentrum Mikroelektronik Dresden AG
16 Kbit (2K x 8) AutoStore nvSRAM
Cypress Semiconductor
PowerStore 2K x 8 nvSRAM
Zentrum Mikroelektronik Dresden AG
2K x 8 nvSRAM QuantumTrap™ CMOS Nonvolatile Static RAM
Unspecified
PowerStore8K x 8 nvSRAM
Unspecified
SoftStore 8K x 8 nvSRAM
Unspecified

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