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STK20C04-W45 数据表(PDF) 6 Page - List of Unclassifed Manufacturers |
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STK20C04-W45 数据表(HTML) 6 Page - List of Unclassifed Manufacturers |
6 / 8 page STK20C04 2-44 HIGH IMPEDANCE E DQ (Data Out) G W NE 31 tNLGL 30 tGLNH 33 tWHGL 34 tELGL 29 tGLQXR RECALL CYCLES #1, #2 & #3 (VCC = 5.0V ± 10%) #1 #2 Alt. 29 tNLQX r tELQXR tGLQXR RECALL Cycle Time 20 µs 30 tNLNH s tELNHR tGLNH RECALL Initiation Cycle Time 25 ns 31 tNLEL tNLGL NE Set-up 0ns 32 tGLNL tGLEL Output Enable Set-up 0 ns 33 tWHNL tWHEL tWHGL t Write Enable Set-up 0 ns 34 tELNL tELGL Chip Enable Set-up 0ns 35 tNLQZ NE Fall to Outputs Inactive 25 ns SYMBOLS NO. PARAMETER MIN MAX UNITS RECALL CYCLE #3: G CONTROLLEDo,t HIGH IMPEDANCE E DQ (Data Out) G W NE 31 tNLEL 32 tGLEL 33 tWHEL 30 tELNHR 29 tELQXR RECALL CYCLE #2: E CONTROLLEDo HIGH IMPEDANCE DQ (Data Out) NE G W E 30 tNLNH 32 tGLNL 33 tWHNL 34 tELNL 35 tNLQZ 29 tNLQX RECALL CYCLE #1: NE CONTROLLEDo Note r: Measured with W and NE both high, and G and E low. Note s: Once tNLNH has been satisfied by NE, G, W and E, the RECALL cycle is completed automatically. Any of NE, G or E may be used to terminate the RECALL initiation cycle. Note t: If W is low at any point in which both E and NE are low and G is high, then a STORE cycle will be initiated instead of a RECALL. |
类似零件编号 - STK20C04-W45 |
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类似说明 - STK20C04-W45 |
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