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STK22C48 Datasheet(PDF) 4 Page - Simtek Corporation |
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STK22C48 Datasheet(HTML) 4 Page - Simtek Corporation |
4 / 16 page 4 Feb, 2008 Document Control #ML0004 Rev 2.0 STK22C48 SRAM READ CYCLES #1 & #2 (VCC = 5.0V ± 10%) e Note g: W and HSB must be high during SRAM READ cycles. Note h: Device is continuously selected with E and G both low. Note i: Measured ± 200mV from steady state output voltage. SRAM READ CYCLE #1: Address Controlledg, h SRAM READ CYCLE #2: E and G Controlledg NO. SYMBOLS PARAMETER STK22C48-25 STK22C48-45 UNITS #1, #2 Alt. MIN MAX MIN MAX 1 tELQV tACS Chip Enable Access Time 25 45 ns 2 tAVAV g , tELEH g tRC Read Cycle Time 25 45 ns 3 tAVQV h tAA Address Access Time 25 45 ns 4 tGLQV tOE Output Enable to Data Valid 10 20 ns 5 tAXQX h tOH Output Hold after Address Change 5 5 ns 6 tELQX tLZ Address Change or Chip Enable to Output Active 5 5 ns 7 tEHQZ i tHZ Address Change or Chip Disable to Output Inactive 10 15 ns 8 tGLQX tOLZ Output Enable to Output Active 0 0 ns 9 tGHQZ i tOHZ Output Disable to Output Inactive 10 15 ns 10 tELICCH f tPA Chip Enable to Power Active 0 0 ns 11 tEHICCL f tPS Chip Disable to Power Standby 25 45 ns DATA VALID 5 tAXQX 3 tAVQV DQ (DATA OUT) ADDRESS 2 tAVAV 6 tELQ X ST AND BY DAT A VAL ID 4 tGL QV DQ (D ATA OUT) E ADDR ESS G ICC AC T IVE 10 tELI CC H 11 tEHI CC L 7 tEHQ Z 8 tGL QX 1 tEL Q V 9 tGH Q Z 2 tELEH 29 tEHAX 3 tAV QV 27 |
Similar Part No. - STK22C48_08 |
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Similar Description - STK22C48_08 |
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