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IDT70V9379L Datasheet(PDF) 3 Page - Integrated Device Technology |
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IDT70V9379L Datasheet(HTML) 3 Page - Integrated Device Technology |
3 / 15 page 6.42 IDT70V9379L High-Speed 32K x 18 Dual-Port Synchronous Pipelined Static RAM Industrial and Commercial Temperature Ranges 3 NOTES: 1. "H" = VIH, "L" = VIL, "X" = Don't Care. 2. ADS, CNTEN, CNTRST = X. 3. OE is an asynchronous input signal. Truth Table IRead/Write and Enable Control(1,2,3) Pin Names Left Port Right Port Names CE0L, CE1L CE0R, CE1R Chip Enables R/ WL R/ WR Read/Write Enable OEL OER Output Enable A0L - A14L A0R - A14R Address I/O0L - I/O17L I/O0R - I/O17R Data Input/Output CLKL CLKR Clock UBL UBR Upper Byte Select LBL LBR Lower Byte Select ADSL ADSR Address Strobe Enable CNTENL CNTENR Counter Enable CNTRSTL CNTRSTR Counter Reset FT/PIPEL FT/PIPER Flow-Through / Pipeline VCC Power GND Ground 4857 tbl 01 OE CLK CE0 CE1 UB LB R/ W Upper Byte I/O9-17 Lower Byte I/O0-8 MODE X ↑ H X X X X High-Z High-Z Deselected–Power Down X ↑ X L X X X High-Z High-Z Deselected–Power Down X ↑ L H H H X High-Z High-Z Both Bytes Deselected X ↑ LH L H L DATAIN High-Z Write to Upper Byte Only X ↑ L HHL L High-Z DATAIN Write to Lower Byte Only X ↑ LH LL L DATAIN DATAIN Write to Both Bytes L ↑ LH L H H DATAOUT High-Z Read Upper Byte Only L ↑ L H H L H High-Z DATAOUT Read Lower Byte Only L ↑ LH LLH DATAOUT DATAOUT Read Both Bytes H X L H L L X High-Z High-Z Outputs Disabled 4857 tbl 02 |
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