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IDT7M1003S35C Datasheet(PDF) 9 Page - Integrated Device Technology |
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IDT7M1003S35C Datasheet(HTML) 9 Page - Integrated Device Technology |
9 / 11 page IDT7M1001/1003 128K/64K x 8 CMOS DUAL-PORT STATIC RAM MODULE MILITARY AND COMMERCIAL TEMPERATURE RANGES 7.5 9 NOTE: 1. L_ CS = R_CS = LOW. TIMING WAVEFORM OF WRITE WITH PORT-TO-PORT DELAY(1) SEMAPHORE OPERATION For more details regarding semaphores & semaphore operations, please consult the IDT7006 datasheet. ADDR R R/W R DATA IN R VALID t WC t WP MATCH VALID t DH MATCH t WDD t DDD t DW ADDR L DATA OUT L READ CYCLE RIGHT PORT WRITE CYCLE LEFT PORT 2804 drw 12 TRUTH TABLES TABLE I: NON-CONTENTION READ/WRITE CONTROL(1) Inputs (1) Outputs CS CS R/ W W OE OE SEM SEM I/O0 - I/O7 Mode H X X H High-Z Deselected: Power Down L L X H DATAIN Write to Both Bytes L H L H DATAOUT Read Both Bytes X X H X High-Z Outputs Disabled NOTE: 1. AOL — A12 ≠ A0R — A12R 2804 tbl 10 TABLE II: SEMAPHORE READ/WRITE CONTROL(1) Inputs Outputs CS CS R/ W W OE OE SEM SEM I/O0 - I/O7 Mode H H L L DATAOUT Read Data in Semaphore Flag X X L DATAIN Write DIN0 into Semaphore Flag L X X L — Not Allowed NOTE: 1. AOL — A12 ≠ A0R — A12R 2804 tbl 11 |
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