256K-BIT SERIAL GENERAL DESCRIPTION SPRS256A power 256K-bit seria

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256K-BIT SERIAL GENERAL DESCRIPTION SPRS256A power 256K-bit seria

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SPRS256A
256K-BIT SERIAL
GENERAL DESCRIPTION SPRS256A power 256K-bit serial static RAM. ideal applications requiring long operating time non-volatile storage with back-up batteries. expansion memory capacity. output port 3-state output that allows easy
FEATURES Fast Access time 100ns supply current operation: FSCL 2.0MHz FSCL 2.0MHz standby: Completely static two-pin access Single power supply 2.4V 5.5V Non-volatile storage with back-up batteries
DESCRIPTION Mnemonic Type Description Chip select Enable 512K Serial clock input Serial Input Output data Ground Power input
ABSOLUTE MAXIMUM RATINGS Characteristics Supply Voltage Input Voltage Range Operating Temperature Storage Temperature Symbol TSTO
Ratings 7.0V -0.5V 0.5V +150
Note: Stresses beyond those given Absolute Maximum Ratings table cause operational errors damage device. normal operational conditions AC/DC Electrical Characteristics.
Sunplus Technology Co., Ltd.
Rev.:1.2
1999.12.02
SPRS256A
CHARACTERISTICS Characteristics Input Current Output Current Output High Voltage Output Voltage Standby Current Operating Current Symbol Min. ISTBY -1.0 -1.0 Typ. Max. Chip disable Chip disable FSCL 2.0MHz, Load 10%, Unit Test Condition
Limit
CHARACTERISTICS( Test Condition VDD, Input Rise Fall Times 10ns Timing Reference Level 1.5V Output Load: CLOAD 50pF
10%,
Limit Characteristics setup time setup time hold time Access time Symbol Min. Tacc Typ. Max. Unit Test Condition
Sunplus Technology Co., Ltd.
Rev.:1.2
1999.12.02
SPRS256A
WRITE MODE
Note start (enable)
Note write
(addr)
(addr+1)
(addr+2)
(addr+n)
(addr+n+1)
(addr+n+2)
Note stop (disable)
standby
Note1: positive half cycle clock cycle Start operation Stop operation changes from changes from when
Note2: next clock cycle start operation Write operation Read operation
Sunplus Technology Co., Ltd.
Rev.:1.2
1999.12.02
SPRS256A
READ MODE
Note start (enable)
Note Read
(addr)
(addr+1)
(addr+2)
(addr+n)
(addr+n+1)
(addr+n+2)
Note stop (disable)
standby
Sunplus Technology Co., Ltd.
Rev.:1.2
1999.12.02
SPRS256A
ASSIGNMENT LOCATIONS Assignment
Chip Size: 1820µm 3280µm This substrate should connected
Note: ensure function properly, please bond VDD, VSS, AVDD AVSS pins.
Ordering Information Product Number SPRS256A-nnnnV-C Note1: Code number (nnnnV) assigned customer. Note2: Code number (nnnn 0000 9999); version Package Type Chip form
NOTE: SUNPLUS TECHNOLOGY CO., reserves right make changes time without notice order improve design performance supply best possible product.
Sunplus Technology Co., Ltd.
Rev.:1.2
1999.12.02
SPRS256A
Locations Name -676 -1471 -1471 -1471 -1472 -1472
DISCLAIMER information appearing this publication believed accurate. Integrated circuits sold Sunplus Technology covered warranty patent indemnification provisions stipulated terms sale only. SUNPLUS makes warranty, express, statutory implied description regarding information this publication regarding freedom described chip(s) from patent infringement. FURTHER, SUNPLUS MAKES WARRANTY MERCHANTABILITY FITNESS PURPOSE. SUNPLUS reserves right halt production alter specifications prices time without notice. Accordingly, reader cautioned verify that data sheets other information this publication current before placing orders. Products described herein intended normal commercial applications. Applications involving unusual environmental reliability requirements, e.g. military equipment medical life support equipment, specifically recommended without additional processing SUNPLUS such applications. reference purposes only. Please note that application circuits illustrated this document
Sunplus Technology Co., Ltd.
Rev.:1.2
1999.12.02

256K-BIT SERIAL GENERAL DESCRIPTION SPRS256A power 256K-bit seria

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