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IDT709269S15PFI Datasheet(PDF) 3 Page - Integrated Device Technology |
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IDT709269S15PFI Datasheet(HTML) 3 Page - Integrated Device Technology |
3 / 15 page 6.42 IDT709269S/L Preliminary High-Speed 16K x 16 Synchronous Pipelined Dual-Port Static RAM Industrial and Commercial Temperature Ranges 3 Pin Names 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) Left Port Right Port Names CE0L, CE1L CE0R, CE1R Chip Enables R/ WL R/ WR Read/Write Enable OEL OER Output Enable A0L - A13L A0R - A13R Address I/O0L - I/O15L I/O0R - I/O15R Data Input/Output CLKL CLKR Clock UBL UBR Upper Byte Select LBL LBR Lower Byte Select ADSL ADSR Address Strobe CNTENL CNTENR Counter Enable CNTRSTL CNTRSTR Counter Reset FT/PIPEL FT/PIPER Flow-Through/Pipeline VCC Power GND Ground 3493 tbl 01 OE CLK CE0 CE1 UB LB R/ W Upper Byte I/O8-15 Lower Byte I/O0-7 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 LH L DIN High-Z Write to Upper Byte Only X ↑ LH H L L High-Z DIN Write to Lower Byte Only X ↑ L H LLL DIN DIN Write to Both Bytes L ↑ LH LH H DOUT High-Z Read Upper Byte Only L ↑ LH H L H High-Z DOUT Read Lower Byte Only L ↑ LH L L H DOUT DOUT Read Both Bytes H X L H L L X High-Z High-Z Outputs Disabled 3493 tbl 02 |
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