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STC62WV1024DCG70 Arkusz danych(PDF) 4 Page - List of Unclassifed Manufacturers |
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STC62WV1024DCG70 Arkusz danych(HTML) 4 Page - List of Unclassifed Manufacturers |
4 / 10 page STC62WV1024 Revision 2.1 Jan. 2004 4 KEY TO SWITCHING WAVEFORMS WAVEFORM INPUTS OUTPUTS MUST BE STEADY MAY CHANGE FROM H TO L DON T CARE: ANY CHANGE PERMITTED DOES NOT APPLY MUST BE STEADY WILL BE CHANGE FROM H TO L CHANGE : STATE UNKNOWN CENTER LINE IS HIGH IMPEDANCE ”OFF ”STATE MAY CHANGE FROM L TO H WILL BE CHANGE FROM L TO H , STC STC62WV1024 AC TEST CONDITIONS (Test Load and Input/Output Reference) Input Pulse Levels Vcc / 0V Input Rise and Fall Times 1V/ns Input and Output Timing Reference Level 0.5Vcc Output Load CL = 30pF+1TTL CL = 100pF+1TTL AC ELECTRICAL CHARACTERISTICS ( TA = -40oC to + 85oC ) READ CYCLE JEDEC PARAMETER NAME NAME DESCRIPTION UNIT t AVAX t RC Read Cycle Time 55 -- -- 70 -- -- ns t AVQV t AA Address Access Time -- -- 55 -- -- 70 ns t E1LQV t ACS1 Chip Select Access Time (CE1) -- -- 55 -- -- 70 ns t E2HOV t ACS2 Chip Select Access Time (CE2) -- -- 55 -- -- 70 ns t GLQV t OE Output Enable to Output Valid -- -- 30 -- -- 40 ns t E1LQX t CLZ1 Chip Select to Output Low Z (CE1) 10 -- -- 10 -- -- ns t E2HOX t CLZ2 Chip Select to Output Low Z (CE2) 10 -- -- 10 -- -- ns t GLQX t OLZ Output Enable to Output in Low Z 10 -- -- 10 -- -- ns t E1HQZ t CHZ1 Chip Deselect to Output in High Z (CE1) -- -- 35 -- -- 40 ns t E2HQZ t CHZ2 Chip Deselect to Output in High Z (CE2) -- -- 35 -- -- 40 ns t GHQZ t OHZ Output Disable to Output in High Z -- -- 30 -- -- 35 ns t AXOX t OH Data Hold from Address Change 10 -- -- 10 -- -- ns PARAMETER CYCLE TIME : 55ns MIN. TYP. MAX. (Vcc = 3.0~5.5V) MIN. TYP. MAX. (Vcc = 2.7~5.5V) CYCLE TIME : 70ns |
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