STK12C68-C20 ETC [List of Unclassifed Manufacturers], STK12C68-C20 Datasheet
STK12C68-C20
Related parts for STK12C68-C20
STK12C68-C20 Summary of contents
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... July 1999 AutoStore™ nvSRAM QuantumTrap™ CMOS Nonvolatile Static RAM DESCRIPTION The Simtek STK12C68 is a fast static nonvolatile, electrically erasable incorporated in each static memory cell. The can be read and written an unlimited number of times, while independent, nonvolatile data resides in EEPROM EEPROM automatically on power down ...
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... Output Logic “0” Voltage OL V Logic “0” Voltage on HSB Output BL T Operating Temperature A Note b: The STK12C68-20 requires V = 5.0V 5% supply to operate at specified speed. CC Note c: I and I are dependent on output loading and cycle rate. The specified values are obtained with outputs unloaded ...
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... AVAV AVQV t AXQX AVAV 1 t ELQV 6 t ELQX 4 t GLQV 8 t GLQX 10 t ELICCH ACTIVE 4-43 STK12C68 (V = 5.0V CC STK12C68-25 STK12C68-35 STK12C68-45 MIN MAX MIN MAX MIN MAX ...
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... DVWH DATA VALID 20 t WLQZ HIGH IMPEDANCE AVAV 14 t ELEH 17 t AVEH 13 t WLEH 15 t DVEH HIGH IMPEDANCE 4- 5.0V CC STK12C68-25 STK12C68-35 STK12C68-45 MIN MAX MIN MAX MIN MAX ...
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... Output Data Output Data Output High Output Data Output Data Output Data o, p Active Output Data Output Data Output High 5.0V 10%) CC STK12C68 UNITS NOTES MIN MAX 700 300 RECOVER HIGH IMPEDANCE DATA VALID ...
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... DELAY BROWN OUT BROWN OUT NO STORE AutoStore™ (NO SRAM WRITES) NO RECALL NO RECALL (V DID NOT GO (V DID NOT BELOW V ) BELOW V RESET 4- 5.0V CC STK12C68 UNITS NOTES MIN MAX 550 10 300 1 4.0 4.5 3 STORE BROWN OUT AutoStore™ RECALL WHEN V RETURNS CC ) ABOVE V RESET SWITCH ...
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... MIN AVAV ADDRESS # ELEH 36 t ELAX DATA VALID 4-47 STK12C68 5.0V CC STK12C68-35 STK12C68-45 UNITS NOTES MAX MIN MAX MIN MAX STORE RECALL HIGH IMPEDANCE DATA VALID b, f 10%) ...
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... STK12C68 The STK12C68 has two separate modes of opera- tion: mode and nonvolatile mode. In SRAM mode, the memory operates as a standard fast static . In nonvolatile mode, data is transferred RAM from to (the SRAM EEPROM STORE from to (the EEPROM SRAM RECALL this mode functions are disabled. ...
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... READ WRITE operation in no way alters the data in the cells. The nonvolatile data can be recalled an unlim- ited number of times. AutoStore™ OPERATION The STK12C68 can be powered in one of three modes. During normal AutoStore™ STK12C68 will draw current from V capacitor connected to the V ...
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... HSB OPERATION The STK12C68 provides the HSB pin for controlling and acknowledging the operations. The HSB STORE pin is used to request a hardware When the HSB pin is driven low, the STK12C68 will conditionally initiate a operation after t STORE an actual cycle will only begin if a STORE ...
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... Cycle Time (ns) Figure 5: I (max) Reads cc July 1999 100 TTL 20 CMOS 0 200 4-51 STK12C68 TTL CMOS 50 100 150 200 Cycle Time (ns) Figure 6: I (max) Writes cc ...
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... STK12C68 STK12C68 - July 1999 ORDERING INFORMATION Temperature Range Access Time Package 4-52 Blank = Commercial (0 to 70° Industrial (-40 to 85° 20ns (Commercial only 25ns 35 = 35ns 45 = 45ns P = Plastic 28-pin 300 mil DIP W = Plastic 28-pin 600 mil DIP S = Plastic 28-pin 350 mil SOIC C = Ceramic 28-pin 300 mil DIP ...